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Radar Display — ESP32 + LVGL + dump1090

Live aircraft radar pulling data from a local dump1090/readsb instance over WiFi. Two hardware targets supported — swap between them with a single build flag.

TargetBoardDisplayResolutionTouch
S3 (default)ESP32-S3 4848S040ST7701 RGB480×480GT911 (I²C)
C6ESP32-C6 DevKitILI9341 SPI240×240 cropnone

Quick start

git clone https://github.com/gregdev/dump1090-radar-display.git radar-display
cd radar-display
# 1. Create your config
cp src/config.example.h src/config.h
# Edit src/config.h: set WiFi SSID/password, dump1090 host IP, and home lat/lon# 2. Build & flash# ESP32-S3 + 480×480 RGB (default):
pio run --target upload
# ESP32-C6 + ILI9341 2.4" SPI:
pio run -e esp32-c6-ili9341 --target upload

Windows users: see First-time setup below for PlatformIO details.

Build targets

The project uses two PlatformIO environments — switching is a one-line change:

# platformio.ini[env:esp32-s3-4848s040]# S3 + ST7701 RGB 480×480 (PSRAM, touch)[env:esp32-c6-ili9341]# C6 + ILI9341 SPI 240×240 crop (no PSRAM, no touch)

The entire codebase is platform-aware via -DPLATFORM_C6_ILI9341 — display driver, screen dimensions, touch, and memory allocation all switch automatically. No code changes needed to move between targets.

C6 wiring (ILI9341)

ILI9341 pinESP32-C6 GPIO
SCK6
SDI (MOSI)7
SDO (MISO)2
CS18
DC (RS)19
RESET20
LED (BL)21

To change pins, edit the ILI9341_PIN_* defines under #ifdef PLATFORM_C6_ILI9341 in config.h.

Hardware

ESP32-S3 (default)

  • Board: ESP32-4848S040C_I_Y_3 (Jingcai/Guition)
  • MCU: ESP32-S3, 16MB Flash, 8MB Octal PSRAM
  • Display: ST7701 RGB 480×480, 16-bit parallel
  • Touch: GT911 capacitive (I²C)
  • Library: LovyanGFX (display), LVGL v9 (UI)

ESP32-C6 (alternative)

  • Board: ESP32-C6 DevKitC-1
  • MCU: ESP32-C6, 8MB Flash, 320KB SRAM (no PSRAM)
  • Display: ILI9341 2.4" SPI TFT, 240×320 → 240×240 square crop
  • Touch: none (skipped in firmware)
  • Platform: pioarduino/platform-espressif32 (Arduino-ESP32 v3.x)

Project structure

platformio.ini # PlatformIO build config (two envs)
lv_conf.h # LVGL v9 configuration (PSRAM-aware)
boards/
├── esp32-s3-4848s040.json # Guition integrated board definition
├── esp32-s3-devkitc-1-n8r8.json # Bare S3 DevKit, 8MB flash / 8MB PSRAM
├── esp32-s3-devkitc-1-n16r8.json # Bare S3 DevKit, 16MB flash / 8MB PSRAM
└── esp32-c6-devkitc-1.json # Custom C6 board (enables Arduino)
flash_win.ps1 # Windows PowerShell flash helper
build_flash.sh # WSL build/flash helper
src/
├── main.cpp # Entry point: WiFi → display → LVGL → radar loop
├── lgfx_config.h # LovyanGFX config (RGB / SPI, platform-aware)
├── radar_ui.h / .cpp # LVGL canvas-based radar rendering
├── aircraft_data.h / .cpp # HTTP fetch + JSON parse
├── coord_convert.h / .cpp # Geo → pixel projection
├── config.h # WiFi, dump1090 URL, home, display pins & dims (gitignored)
├── config.example.h # Template — copy to config.h
├── land_mask.h # Generated land/sea mask data
└── fonts/
└── lv_font_monoid_12.c # Custom bitmap font

First-time setup

Windows

git clone <url> radar-display
cd radar-display
python -m pip install platformio
pio run # builds S3 firmware
pio run -e esp32-c6-ili9341 # builds C6 firmware
pio run --target upload # builds + flashes S3

WSL / Linux

git clone <url> radar-display
cd radar-display
pipx install platformio # or: python3 -m pip install platformio
pio run # build S3
pio run -e esp32-c6-ili9341 # build C6
pio run --target upload # build + flash S3 (needs USB passthrough on WSL)

WSL notes: USB passthrough is unreliable. Use flash_win.ps1 from Windows PowerShell instead, or attach the device via usbipd (usbipd bind --busid X-Y, usbipd attach --wsl --busid X-Y).

Configuration

Edit src/config.h:

#defineWIFI_SSID "MyWiFi"
#defineWIFI_PASSWORD "password123"
#defineDUMP1090_HOST "192.168.1.100" // your Pi/PC running dump1090
#defineDUMP1090_PORT 8080
#defineHOME_LAT 51.5074 // your latitude
#defineHOME_LON -0.1278 // your longitude
#defineRADAR_RANGE_NM 40 // radar range in nautical miles

Expected serial output

=== ESP32 Radar Display ===
dump1090: http://192.168.1.100:8080/data/aircraft.json
Home: 51.507400, -0.127800
Range: 40 NM (220 px radius)
WiFi connecting..........
WiFi connected: 192.168.1.42
Display: 480x480
Touch: LVGL indev registered
Initial fetch: 12 aircraft
Running.

dump1090 API

Fetches http://<host>:<port>/data/aircraft.json every 2 seconds. Expected format:

[{
"hex": "4ca89b",
"flight": "RYR123 ",
"lat": 51.52, "lon": -0.10,
"alt_geom": 35000, "gs": 440,
"track": 270, "vert_rate": 0, "seen": 0.3
}]

Aircraft without lat/lon are skipped automatically.

Land mask

To generate the land mask background for your location:

  1. Open tools/land_mask_map.html in a browser
  2. Enter your home lat/lon and range → Update Map
  3. Download land_mask.h → drop it into src/

Troubleshooting

IssueFix
Blank displayCheck pinout in config.h matches your wiring; verify rotation setting for C6
Build fails on C6First build downloads the pioarduino platform (~5 min); ensure internet connection
C6: "missing platformio-build-esp32c6.py"Ensure platform = points to pioarduino/platform-espressif32 — the stock espressif32 platform lacks C6 Arduino support
No WiFiCheck SSID/password in config.h
No aircraftVerify dump1090 is running: open http://<host>:8080/data/aircraft.json in browser
Compile errorRun ./setup.sh or .\setup.ps1 to create source symlinks
Upload failsIn WSL, use flash_win.ps1 from Windows PowerShell instead
LVGL config warninglv_conf.h is correctly configured — the warning is cosmetic
Display upside-down or sidewaysAdjust lcd.setRotation() value in main.cpp (0–3)

About

Live aircraft radar on a 4" 480×480 smart display (ESP32-4848S040), pulling data from a local dump1090/readsb instance over WiFi.

Resources

Readme
Activity

Stars

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Watchers

0 watching

Forks

0 forks
Report repository

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BranchesTags
Repository files navigation
Radar Display — ESP32 + LVGL + dump1090
Live aircraft radar pulling data from a local dump1090/readsb instance over WiFi. Two hardware targets supported — swap between them with a single build flag.
TargetBoardDisplayResolutionTouch
S3 (default)ESP32-S3 4848S040ST7701 RGB480×480GT911 (I²C)
C6ESP32-C6 DevKitILI9341 SPI240×240 cropnone
Quick start
git clone https://github.com/gregdev/dump1090-radar-display.git radar-display
cd radar-display
# 1. Create your config
cp src/config.example.h src/config.h
# Edit src/config.h: set WiFi SSID/password, dump1090 host IP, and home lat/lon# 2. Build & flash# ESP32-S3 + 480×480 RGB (default):
pio run --target upload
# ESP32-C6 + ILI9341 2.4" SPI:
pio run -e esp32-c6-ili9341 --target upload
Windows users: see First-time setup below for PlatformIO details.
Build targets
The project uses two PlatformIO environments — switching is a one-line change:
# platformio.ini[env:esp32-s3-4848s040]# S3 + ST7701 RGB 480×480 (PSRAM, touch)[env:esp32-c6-ili9341]# C6 + ILI9341 SPI 240×240 crop (no PSRAM, no touch)
The entire codebase is platform-aware via -DPLATFORM_C6_ILI9341 — display driver, screen dimensions, touch, and memory allocation all switch automatically. No code changes needed to move between targets.
C6 wiring (ILI9341)
ILI9341 pinESP32-C6 GPIO
SCK6
SDI (MOSI)7
SDO (MISO)2
CS18
DC (RS)19
RESET20
LED (BL)21
To change pins, edit the ILI9341_PIN_* defines under #ifdef PLATFORM_C6_ILI9341 in config.h.
Hardware
ESP32-S3 (default)
  • Board: ESP32-4848S040C_I_Y_3 (Jingcai/Guition)
  • MCU: ESP32-S3, 16MB Flash, 8MB Octal PSRAM
  • Display: ST7701 RGB 480×480, 16-bit parallel
  • Touch: GT911 capacitive (I²C)
  • Library: LovyanGFX (display), LVGL v9 (UI)
ESP32-C6 (alternative)
  • Board: ESP32-C6 DevKitC-1
  • MCU: ESP32-C6, 8MB Flash, 320KB SRAM (no PSRAM)
  • Display: ILI9341 2.4" SPI TFT, 240×320 → 240×240 square crop
  • Touch: none (skipped in firmware)
  • Platform: pioarduino/platform-espressif32 (Arduino-ESP32 v3.x)
Project structure
platformio.ini # PlatformIO build config (two envs)
lv_conf.h # LVGL v9 configuration (PSRAM-aware)
boards/
├── esp32-s3-4848s040.json # Guition integrated board definition
├── esp32-s3-devkitc-1-n8r8.json # Bare S3 DevKit, 8MB flash / 8MB PSRAM
├── esp32-s3-devkitc-1-n16r8.json # Bare S3 DevKit, 16MB flash / 8MB PSRAM
└── esp32-c6-devkitc-1.json # Custom C6 board (enables Arduino)
flash_win.ps1 # Windows PowerShell flash helper
build_flash.sh # WSL build/flash helper
src/
├── main.cpp # Entry point: WiFi → display → LVGL → radar loop
├── lgfx_config.h # LovyanGFX config (RGB / SPI, platform-aware)
├── radar_ui.h / .cpp # LVGL canvas-based radar rendering
├── aircraft_data.h / .cpp # HTTP fetch + JSON parse
├── coord_convert.h / .cpp # Geo → pixel projection
├── config.h # WiFi, dump1090 URL, home, display pins & dims (gitignored)
├── config.example.h # Template — copy to config.h
├── land_mask.h # Generated land/sea mask data
└── fonts/
└── lv_font_monoid_12.c # Custom bitmap font

First-time setup
Windows
git clone <url> radar-display
cd radar-display
python -m pip install platformio
pio run # builds S3 firmware
pio run -e esp32-c6-ili9341 # builds C6 firmware
pio run --target upload # builds + flashes S3
WSL / Linux
git clone <url> radar-display
cd radar-display
pipx install platformio # or: python3 -m pip install platformio
pio run # build S3
pio run -e esp32-c6-ili9341 # build C6
pio run --target upload # build + flash S3 (needs USB passthrough on WSL)
WSL notes: USB passthrough is unreliable. Use flash_win.ps1 from Windows PowerShell instead, or attach the device via usbipd (usbipd bind --busid X-Y, usbipd attach --wsl --busid X-Y).
Configuration
Edit src/config.h:
#defineWIFI_SSID "MyWiFi"
#defineWIFI_PASSWORD "password123"
#defineDUMP1090_HOST "192.168.1.100" // your Pi/PC running dump1090
#defineDUMP1090_PORT 8080
#defineHOME_LAT 51.5074 // your latitude
#defineHOME_LON -0.1278 // your longitude
#defineRADAR_RANGE_NM 40 // radar range in nautical miles
Expected serial output
=== ESP32 Radar Display ===
dump1090: http://192.168.1.100:8080/data/aircraft.json
Home: 51.507400, -0.127800
Range: 40 NM (220 px radius)
WiFi connecting..........
WiFi connected: 192.168.1.42
Display: 480x480
Touch: LVGL indev registered
Initial fetch: 12 aircraft
Running.

dump1090 API
Fetches http://<host>:<port>/data/aircraft.json every 2 seconds. Expected format:
[{
"hex": "4ca89b",
"flight": "RYR123 ",
"lat": 51.52, "lon": -0.10,
"alt_geom": 35000, "gs": 440,
"track": 270, "vert_rate": 0, "seen": 0.3
}]
Aircraft without lat/lon are skipped automatically.
Land mask
To generate the land mask background for your location:
  1. Open tools/land_mask_map.html in a browser
  2. Enter your home lat/lon and range → Update Map
  3. Download land_mask.h → drop it into src/
Troubleshooting
IssueFix
Blank displayCheck pinout in config.h matches your wiring; verify rotation setting for C6
Build fails on C6First build downloads the pioarduino platform (~5 min); ensure internet connection
C6: "missing platformio-build-esp32c6.py"Ensure platform = points to pioarduino/platform-espressif32 — the stock espressif32 platform lacks C6 Arduino support
No WiFiCheck SSID/password in config.h
No aircraftVerify dump1090 is running: open http://<host>:8080/data/aircraft.json in browser
Compile errorRun ./setup.sh or .\setup.ps1 to create source symlinks
Upload failsIn WSL, use flash_win.ps1 from Windows PowerShell instead
LVGL config warninglv_conf.h is correctly configured — the warning is cosmetic
Display upside-down or sidewaysAdjust lcd.setRotation() value in main.cpp (0–3)
About
Live aircraft radar on a 4" 480×480 smart display (ESP32-4848S040), pulling data from a local dump1090/readsb instance over WiFi.
Resources
Readme
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

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Skip to content
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Repository files navigation
Radar Display — ESP32 + LVGL + dump1090
Live aircraft radar pulling data from a local dump1090/readsb instance over WiFi. Two hardware targets supported — swap between them with a single build flag.
TargetBoardDisplayResolutionTouch
S3 (default)ESP32-S3 4848S040ST7701 RGB480×480GT911 (I²C)
C6ESP32-C6 DevKitILI9341 SPI240×240 cropnone
Quick start
git clone https://github.com/gregdev/dump1090-radar-display.git radar-display
cd radar-display
# 1. Create your config
cp src/config.example.h src/config.h
# Edit src/config.h: set WiFi SSID/password, dump1090 host IP, and home lat/lon# 2. Build & flash# ESP32-S3 + 480×480 RGB (default):
pio run --target upload
# ESP32-C6 + ILI9341 2.4" SPI:
pio run -e esp32-c6-ili9341 --target upload
Windows users: see First-time setup below for PlatformIO details.
Build targets
The project uses two PlatformIO environments — switching is a one-line change:
# platformio.ini[env:esp32-s3-4848s040]# S3 + ST7701 RGB 480×480 (PSRAM, touch)[env:esp32-c6-ili9341]# C6 + ILI9341 SPI 240×240 crop (no PSRAM, no touch)
The entire codebase is platform-aware via -DPLATFORM_C6_ILI9341 — display driver, screen dimensions, touch, and memory allocation all switch automatically. No code changes needed to move between targets.
C6 wiring (ILI9341)
ILI9341 pinESP32-C6 GPIO
SCK6
SDI (MOSI)7
SDO (MISO)2
CS18
DC (RS)19
RESET20
LED (BL)21
To change pins, edit the ILI9341_PIN_* defines under #ifdef PLATFORM_C6_ILI9341 in config.h.
Hardware
ESP32-S3 (default)
  • Board: ESP32-4848S040C_I_Y_3 (Jingcai/Guition)
  • MCU: ESP32-S3, 16MB Flash, 8MB Octal PSRAM
  • Display: ST7701 RGB 480×480, 16-bit parallel
  • Touch: GT911 capacitive (I²C)
  • Library: LovyanGFX (display), LVGL v9 (UI)
ESP32-C6 (alternative)
  • Board: ESP32-C6 DevKitC-1
  • MCU: ESP32-C6, 8MB Flash, 320KB SRAM (no PSRAM)
  • Display: ILI9341 2.4" SPI TFT, 240×320 → 240×240 square crop
  • Touch: none (skipped in firmware)
  • Platform: pioarduino/platform-espressif32 (Arduino-ESP32 v3.x)
Project structure
platformio.ini # PlatformIO build config (two envs)
lv_conf.h # LVGL v9 configuration (PSRAM-aware)
boards/
├── esp32-s3-4848s040.json # Guition integrated board definition
├── esp32-s3-devkitc-1-n8r8.json # Bare S3 DevKit, 8MB flash / 8MB PSRAM
├── esp32-s3-devkitc-1-n16r8.json # Bare S3 DevKit, 16MB flash / 8MB PSRAM
└── esp32-c6-devkitc-1.json # Custom C6 board (enables Arduino)
flash_win.ps1 # Windows PowerShell flash helper
build_flash.sh # WSL build/flash helper
src/
├── main.cpp # Entry point: WiFi → display → LVGL → radar loop
├── lgfx_config.h # LovyanGFX config (RGB / SPI, platform-aware)
├── radar_ui.h / .cpp # LVGL canvas-based radar rendering
├── aircraft_data.h / .cpp # HTTP fetch + JSON parse
├── coord_convert.h / .cpp # Geo → pixel projection
├── config.h # WiFi, dump1090 URL, home, display pins & dims (gitignored)
├── config.example.h # Template — copy to config.h
├── land_mask.h # Generated land/sea mask data
└── fonts/
└── lv_font_monoid_12.c # Custom bitmap font

First-time setup
Windows
git clone <url> radar-display
cd radar-display
python -m pip install platformio
pio run # builds S3 firmware
pio run -e esp32-c6-ili9341 # builds C6 firmware
pio run --target upload # builds + flashes S3
WSL / Linux
git clone <url> radar-display
cd radar-display
pipx install platformio # or: python3 -m pip install platformio
pio run # build S3
pio run -e esp32-c6-ili9341 # build C6
pio run --target upload # build + flash S3 (needs USB passthrough on WSL)
WSL notes: USB passthrough is unreliable. Use flash_win.ps1 from Windows PowerShell instead, or attach the device via usbipd (usbipd bind --busid X-Y, usbipd attach --wsl --busid X-Y).
Configuration
Edit src/config.h:
#defineWIFI_SSID "MyWiFi"
#defineWIFI_PASSWORD "password123"
#defineDUMP1090_HOST "192.168.1.100" // your Pi/PC running dump1090
#defineDUMP1090_PORT 8080
#defineHOME_LAT 51.5074 // your latitude
#defineHOME_LON -0.1278 // your longitude
#defineRADAR_RANGE_NM 40 // radar range in nautical miles
Expected serial output
=== ESP32 Radar Display ===
dump1090: http://192.168.1.100:8080/data/aircraft.json
Home: 51.507400, -0.127800
Range: 40 NM (220 px radius)
WiFi connecting..........
WiFi connected: 192.168.1.42
Display: 480x480
Touch: LVGL indev registered
Initial fetch: 12 aircraft
Running.

dump1090 API
Fetches http://<host>:<port>/data/aircraft.json every 2 seconds. Expected format:
[{
"hex": "4ca89b",
"flight": "RYR123 ",
"lat": 51.52, "lon": -0.10,
"alt_geom": 35000, "gs": 440,
"track": 270, "vert_rate": 0, "seen": 0.3
}]
Aircraft without lat/lon are skipped automatically.
Land mask
To generate the land mask background for your location:
  1. Open tools/land_mask_map.html in a browser
  2. Enter your home lat/lon and range → Update Map
  3. Download land_mask.h → drop it into src/
Troubleshooting
IssueFix
Blank displayCheck pinout in config.h matches your wiring; verify rotation setting for C6
Build fails on C6First build downloads the pioarduino platform (~5 min); ensure internet connection
C6: "missing platformio-build-esp32c6.py"Ensure platform = points to pioarduino/platform-espressif32 — the stock espressif32 platform lacks C6 Arduino support
No WiFiCheck SSID/password in config.h
No aircraftVerify dump1090 is running: open http://<host>:8080/data/aircraft.json in browser
Compile errorRun ./setup.sh or .\setup.ps1 to create source symlinks
Upload failsIn WSL, use flash_win.ps1 from Windows PowerShell instead
LVGL config warninglv_conf.h is correctly configured — the warning is cosmetic
Display upside-down or sidewaysAdjust lcd.setRotation() value in main.cpp (0–3)
About
Live aircraft radar on a 4" 480×480 smart display (ESP32-4848S040), pulling data from a local dump1090/readsb instance over WiFi.
Resources
Readme
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

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Radar Display — ESP32 + LVGL + dump1090
Live aircraft radar pulling data from a local dump1090/readsb instance over WiFi. Two hardware targets supported — swap between them with a single build flag.
TargetBoardDisplayResolutionTouch
S3 (default)ESP32-S3 4848S040ST7701 RGB480×480GT911 (I²C)
C6ESP32-C6 DevKitILI9341 SPI240×240 cropnone
Quick start
git clone https://github.com/gregdev/dump1090-radar-display.git radar-display
cd radar-display
# 1. Create your config
cp src/config.example.h src/config.h
# Edit src/config.h: set WiFi SSID/password, dump1090 host IP, and home lat/lon# 2. Build & flash# ESP32-S3 + 480×480 RGB (default):
pio run --target upload
# ESP32-C6 + ILI9341 2.4" SPI:
pio run -e esp32-c6-ili9341 --target upload
Windows users: see First-time setup below for PlatformIO details.
Build targets
The project uses two PlatformIO environments — switching is a one-line change:
# platformio.ini[env:esp32-s3-4848s040]# S3 + ST7701 RGB 480×480 (PSRAM, touch)[env:esp32-c6-ili9341]# C6 + ILI9341 SPI 240×240 crop (no PSRAM, no touch)
The entire codebase is platform-aware via -DPLATFORM_C6_ILI9341 — display driver, screen dimensions, touch, and memory allocation all switch automatically. No code changes needed to move between targets.
C6 wiring (ILI9341)
ILI9341 pinESP32-C6 GPIO
SCK6
SDI (MOSI)7
SDO (MISO)2
CS18
DC (RS)19
RESET20
LED (BL)21
To change pins, edit the ILI9341_PIN_* defines under #ifdef PLATFORM_C6_ILI9341 in config.h.
Hardware
ESP32-S3 (default)
  • Board: ESP32-4848S040C_I_Y_3 (Jingcai/Guition)
  • MCU: ESP32-S3, 16MB Flash, 8MB Octal PSRAM
  • Display: ST7701 RGB 480×480, 16-bit parallel
  • Touch: GT911 capacitive (I²C)
  • Library: LovyanGFX (display), LVGL v9 (UI)
ESP32-C6 (alternative)
  • Board: ESP32-C6 DevKitC-1
  • MCU: ESP32-C6, 8MB Flash, 320KB SRAM (no PSRAM)
  • Display: ILI9341 2.4" SPI TFT, 240×320 → 240×240 square crop
  • Touch: none (skipped in firmware)
  • Platform: pioarduino/platform-espressif32 (Arduino-ESP32 v3.x)
Project structure
platformio.ini # PlatformIO build config (two envs)
lv_conf.h # LVGL v9 configuration (PSRAM-aware)
boards/
├── esp32-s3-4848s040.json # Guition integrated board definition
├── esp32-s3-devkitc-1-n8r8.json # Bare S3 DevKit, 8MB flash / 8MB PSRAM
├── esp32-s3-devkitc-1-n16r8.json # Bare S3 DevKit, 16MB flash / 8MB PSRAM
└── esp32-c6-devkitc-1.json # Custom C6 board (enables Arduino)
flash_win.ps1 # Windows PowerShell flash helper
build_flash.sh # WSL build/flash helper
src/
├── main.cpp # Entry point: WiFi → display → LVGL → radar loop
├── lgfx_config.h # LovyanGFX config (RGB / SPI, platform-aware)
├── radar_ui.h / .cpp # LVGL canvas-based radar rendering
├── aircraft_data.h / .cpp # HTTP fetch + JSON parse
├── coord_convert.h / .cpp # Geo → pixel projection
├── config.h # WiFi, dump1090 URL, home, display pins & dims (gitignored)
├── config.example.h # Template — copy to config.h
├── land_mask.h # Generated land/sea mask data
└── fonts/
└── lv_font_monoid_12.c # Custom bitmap font

First-time setup
Windows
git clone <url> radar-display
cd radar-display
python -m pip install platformio
pio run # builds S3 firmware
pio run -e esp32-c6-ili9341 # builds C6 firmware
pio run --target upload # builds + flashes S3
WSL / Linux
git clone <url> radar-display
cd radar-display
pipx install platformio # or: python3 -m pip install platformio
pio run # build S3
pio run -e esp32-c6-ili9341 # build C6
pio run --target upload # build + flash S3 (needs USB passthrough on WSL)
WSL notes: USB passthrough is unreliable. Use flash_win.ps1 from Windows PowerShell instead, or attach the device via usbipd (usbipd bind --busid X-Y, usbipd attach --wsl --busid X-Y).
Configuration
Edit src/config.h:
#defineWIFI_SSID "MyWiFi"
#defineWIFI_PASSWORD "password123"
#defineDUMP1090_HOST "192.168.1.100" // your Pi/PC running dump1090
#defineDUMP1090_PORT 8080
#defineHOME_LAT 51.5074 // your latitude
#defineHOME_LON -0.1278 // your longitude
#defineRADAR_RANGE_NM 40 // radar range in nautical miles
Expected serial output
=== ESP32 Radar Display ===
dump1090: http://192.168.1.100:8080/data/aircraft.json
Home: 51.507400, -0.127800
Range: 40 NM (220 px radius)
WiFi connecting..........
WiFi connected: 192.168.1.42
Display: 480x480
Touch: LVGL indev registered
Initial fetch: 12 aircraft
Running.

dump1090 API
Fetches http://<host>:<port>/data/aircraft.json every 2 seconds. Expected format:
[{
"hex": "4ca89b",
"flight": "RYR123 ",
"lat": 51.52, "lon": -0.10,
"alt_geom": 35000, "gs": 440,
"track": 270, "vert_rate": 0, "seen": 0.3
}]
Aircraft without lat/lon are skipped automatically.
Land mask
To generate the land mask background for your location:
  1. Open tools/land_mask_map.html in a browser
  2. Enter your home lat/lon and range → Update Map
  3. Download land_mask.h → drop it into src/
Troubleshooting
IssueFix
Blank displayCheck pinout in config.h matches your wiring; verify rotation setting for C6
Build fails on C6First build downloads the pioarduino platform (~5 min); ensure internet connection
C6: "missing platformio-build-esp32c6.py"Ensure platform = points to pioarduino/platform-espressif32 — the stock espressif32 platform lacks C6 Arduino support
No WiFiCheck SSID/password in config.h
No aircraftVerify dump1090 is running: open http://<host>:8080/data/aircraft.json in browser
Compile errorRun ./setup.sh or .\setup.ps1 to create source symlinks
Upload failsIn WSL, use flash_win.ps1 from Windows PowerShell instead
LVGL config warninglv_conf.h is correctly configured — the warning is cosmetic
Display upside-down or sidewaysAdjust lcd.setRotation() value in main.cpp (0–3)
About
Live aircraft radar on a 4" 480×480 smart display (ESP32-4848S040), pulling data from a local dump1090/readsb instance over WiFi.
Resources
Readme
Activity
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})();
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try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Radar Display — ESP32 + LVGL + dump1090
Live aircraft radar pulling data from a local dump1090/readsb instance over WiFi. Two hardware targets supported — swap between them with a single build flag.
TargetBoardDisplayResolutionTouch
S3 (default)ESP32-S3 4848S040ST7701 RGB480×480GT911 (I²C)
C6ESP32-C6 DevKitILI9341 SPI240×240 cropnone
Quick start
git clone https://github.com/gregdev/dump1090-radar-display.git radar-display
cd radar-display
# 1. Create your config
cp src/config.example.h src/config.h
# Edit src/config.h: set WiFi SSID/password, dump1090 host IP, and home lat/lon# 2. Build & flash# ESP32-S3 + 480×480 RGB (default):
pio run --target upload
# ESP32-C6 + ILI9341 2.4" SPI:
pio run -e esp32-c6-ili9341 --target upload
Windows users: see First-time setup below for PlatformIO details.
Build targets
The project uses two PlatformIO environments — switching is a one-line change:
# platformio.ini[env:esp32-s3-4848s040]# S3 + ST7701 RGB 480×480 (PSRAM, touch)[env:esp32-c6-ili9341]# C6 + ILI9341 SPI 240×240 crop (no PSRAM, no touch)
The entire codebase is platform-aware via -DPLATFORM_C6_ILI9341 — display driver, screen dimensions, touch, and memory allocation all switch automatically. No code changes needed to move between targets.
C6 wiring (ILI9341)
ILI9341 pinESP32-C6 GPIO
SCK6
SDI (MOSI)7
SDO (MISO)2
CS18
DC (RS)19
RESET20
LED (BL)21
To change pins, edit the ILI9341_PIN_* defines under #ifdef PLATFORM_C6_ILI9341 in config.h.
Hardware
ESP32-S3 (default)
  • Board: ESP32-4848S040C_I_Y_3 (Jingcai/Guition)
  • MCU: ESP32-S3, 16MB Flash, 8MB Octal PSRAM
  • Display: ST7701 RGB 480×480, 16-bit parallel
  • Touch: GT911 capacitive (I²C)
  • Library: LovyanGFX (display), LVGL v9 (UI)
ESP32-C6 (alternative)
  • Board: ESP32-C6 DevKitC-1
  • MCU: ESP32-C6, 8MB Flash, 320KB SRAM (no PSRAM)
  • Display: ILI9341 2.4" SPI TFT, 240×320 → 240×240 square crop
  • Touch: none (skipped in firmware)
  • Platform: pioarduino/platform-espressif32 (Arduino-ESP32 v3.x)
Project structure
platformio.ini # PlatformIO build config (two envs)
lv_conf.h # LVGL v9 configuration (PSRAM-aware)
boards/
├── esp32-s3-4848s040.json # Guition integrated board definition
├── esp32-s3-devkitc-1-n8r8.json # Bare S3 DevKit, 8MB flash / 8MB PSRAM
├── esp32-s3-devkitc-1-n16r8.json # Bare S3 DevKit, 16MB flash / 8MB PSRAM
└── esp32-c6-devkitc-1.json # Custom C6 board (enables Arduino)
flash_win.ps1 # Windows PowerShell flash helper
build_flash.sh # WSL build/flash helper
src/
├── main.cpp # Entry point: WiFi → display → LVGL → radar loop
├── lgfx_config.h # LovyanGFX config (RGB / SPI, platform-aware)
├── radar_ui.h / .cpp # LVGL canvas-based radar rendering
├── aircraft_data.h / .cpp # HTTP fetch + JSON parse
├── coord_convert.h / .cpp # Geo → pixel projection
├── config.h # WiFi, dump1090 URL, home, display pins & dims (gitignored)
├── config.example.h # Template — copy to config.h
├── land_mask.h # Generated land/sea mask data
└── fonts/
└── lv_font_monoid_12.c # Custom bitmap font

First-time setup
Windows
git clone <url> radar-display
cd radar-display
python -m pip install platformio
pio run # builds S3 firmware
pio run -e esp32-c6-ili9341 # builds C6 firmware
pio run --target upload # builds + flashes S3
WSL / Linux
git clone <url> radar-display
cd radar-display
pipx install platformio # or: python3 -m pip install platformio
pio run # build S3
pio run -e esp32-c6-ili9341 # build C6
pio run --target upload # build + flash S3 (needs USB passthrough on WSL)
WSL notes: USB passthrough is unreliable. Use flash_win.ps1 from Windows PowerShell instead, or attach the device via usbipd (usbipd bind --busid X-Y, usbipd attach --wsl --busid X-Y).
Configuration
Edit src/config.h:
#defineWIFI_SSID "MyWiFi"
#defineWIFI_PASSWORD "password123"
#defineDUMP1090_HOST "192.168.1.100" // your Pi/PC running dump1090
#defineDUMP1090_PORT 8080
#defineHOME_LAT 51.5074 // your latitude
#defineHOME_LON -0.1278 // your longitude
#defineRADAR_RANGE_NM 40 // radar range in nautical miles
Expected serial output
=== ESP32 Radar Display ===
dump1090: http://192.168.1.100:8080/data/aircraft.json
Home: 51.507400, -0.127800
Range: 40 NM (220 px radius)
WiFi connecting..........
WiFi connected: 192.168.1.42
Display: 480x480
Touch: LVGL indev registered
Initial fetch: 12 aircraft
Running.

dump1090 API
Fetches http://<host>:<port>/data/aircraft.json every 2 seconds. Expected format:
[{
"hex": "4ca89b",
"flight": "RYR123 ",
"lat": 51.52, "lon": -0.10,
"alt_geom": 35000, "gs": 440,
"track": 270, "vert_rate": 0, "seen": 0.3
}]
Aircraft without lat/lon are skipped automatically.
Land mask
To generate the land mask background for your location:
  1. Open tools/land_mask_map.html in a browser
  2. Enter your home lat/lon and range → Update Map
  3. Download land_mask.h → drop it into src/
Troubleshooting
IssueFix
Blank displayCheck pinout in config.h matches your wiring; verify rotation setting for C6
Build fails on C6First build downloads the pioarduino platform (~5 min); ensure internet connection
C6: "missing platformio-build-esp32c6.py"Ensure platform = points to pioarduino/platform-espressif32 — the stock espressif32 platform lacks C6 Arduino support
No WiFiCheck SSID/password in config.h
No aircraftVerify dump1090 is running: open http://<host>:8080/data/aircraft.json in browser
Compile errorRun ./setup.sh or .\setup.ps1 to create source symlinks
Upload failsIn WSL, use flash_win.ps1 from Windows PowerShell instead
LVGL config warninglv_conf.h is correctly configured — the warning is cosmetic
Display upside-down or sidewaysAdjust lcd.setRotation() value in main.cpp (0–3)
About
Live aircraft radar on a 4" 480×480 smart display (ESP32-4848S040), pulling data from a local dump1090/readsb instance over WiFi.
Resources
Readme
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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Contributors
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Radar Display — ESP32 + LVGL + dump1090
Live aircraft radar pulling data from a local dump1090/readsb instance over WiFi. Two hardware targets supported — swap between them with a single build flag.
TargetBoardDisplayResolutionTouch
S3 (default)ESP32-S3 4848S040ST7701 RGB480×480GT911 (I²C)
C6ESP32-C6 DevKitILI9341 SPI240×240 cropnone
Quick start
git clone https://github.com/gregdev/dump1090-radar-display.git radar-display
cd radar-display
# 1. Create your config
cp src/config.example.h src/config.h
# Edit src/config.h: set WiFi SSID/password, dump1090 host IP, and home lat/lon# 2. Build & flash# ESP32-S3 + 480×480 RGB (default):
pio run --target upload
# ESP32-C6 + ILI9341 2.4" SPI:
pio run -e esp32-c6-ili9341 --target upload
Windows users: see First-time setup below for PlatformIO details.
Build targets
The project uses two PlatformIO environments — switching is a one-line change:
# platformio.ini[env:esp32-s3-4848s040]# S3 + ST7701 RGB 480×480 (PSRAM, touch)[env:esp32-c6-ili9341]# C6 + ILI9341 SPI 240×240 crop (no PSRAM, no touch)
The entire codebase is platform-aware via -DPLATFORM_C6_ILI9341 — display driver, screen dimensions, touch, and memory allocation all switch automatically. No code changes needed to move between targets.
C6 wiring (ILI9341)
ILI9341 pinESP32-C6 GPIO
SCK6
SDI (MOSI)7
SDO (MISO)2
CS18
DC (RS)19
RESET20
LED (BL)21
To change pins, edit the ILI9341_PIN_* defines under #ifdef PLATFORM_C6_ILI9341 in config.h.
Hardware
ESP32-S3 (default)
  • Board: ESP32-4848S040C_I_Y_3 (Jingcai/Guition)
  • MCU: ESP32-S3, 16MB Flash, 8MB Octal PSRAM
  • Display: ST7701 RGB 480×480, 16-bit parallel
  • Touch: GT911 capacitive (I²C)
  • Library: LovyanGFX (display), LVGL v9 (UI)
ESP32-C6 (alternative)
  • Board: ESP32-C6 DevKitC-1
  • MCU: ESP32-C6, 8MB Flash, 320KB SRAM (no PSRAM)
  • Display: ILI9341 2.4" SPI TFT, 240×320 → 240×240 square crop
  • Touch: none (skipped in firmware)
  • Platform: pioarduino/platform-espressif32 (Arduino-ESP32 v3.x)
Project structure
platformio.ini # PlatformIO build config (two envs)
lv_conf.h # LVGL v9 configuration (PSRAM-aware)
boards/
├── esp32-s3-4848s040.json # Guition integrated board definition
├── esp32-s3-devkitc-1-n8r8.json # Bare S3 DevKit, 8MB flash / 8MB PSRAM
├── esp32-s3-devkitc-1-n16r8.json # Bare S3 DevKit, 16MB flash / 8MB PSRAM
└── esp32-c6-devkitc-1.json # Custom C6 board (enables Arduino)
flash_win.ps1 # Windows PowerShell flash helper
build_flash.sh # WSL build/flash helper
src/
├── main.cpp # Entry point: WiFi → display → LVGL → radar loop
├── lgfx_config.h # LovyanGFX config (RGB / SPI, platform-aware)
├── radar_ui.h / .cpp # LVGL canvas-based radar rendering
├── aircraft_data.h / .cpp # HTTP fetch + JSON parse
├── coord_convert.h / .cpp # Geo → pixel projection
├── config.h # WiFi, dump1090 URL, home, display pins & dims (gitignored)
├── config.example.h # Template — copy to config.h
├── land_mask.h # Generated land/sea mask data
└── fonts/
└── lv_font_monoid_12.c # Custom bitmap font

First-time setup
Windows
git clone <url> radar-display
cd radar-display
python -m pip install platformio
pio run # builds S3 firmware
pio run -e esp32-c6-ili9341 # builds C6 firmware
pio run --target upload # builds + flashes S3
WSL / Linux
git clone <url> radar-display
cd radar-display
pipx install platformio # or: python3 -m pip install platformio
pio run # build S3
pio run -e esp32-c6-ili9341 # build C6
pio run --target upload # build + flash S3 (needs USB passthrough on WSL)
WSL notes: USB passthrough is unreliable. Use flash_win.ps1 from Windows PowerShell instead, or attach the device via usbipd (usbipd bind --busid X-Y, usbipd attach --wsl --busid X-Y).
Configuration
Edit src/config.h:
#defineWIFI_SSID "MyWiFi"
#defineWIFI_PASSWORD "password123"
#defineDUMP1090_HOST "192.168.1.100" // your Pi/PC running dump1090
#defineDUMP1090_PORT 8080
#defineHOME_LAT 51.5074 // your latitude
#defineHOME_LON -0.1278 // your longitude
#defineRADAR_RANGE_NM 40 // radar range in nautical miles
Expected serial output
=== ESP32 Radar Display ===
dump1090: http://192.168.1.100:8080/data/aircraft.json
Home: 51.507400, -0.127800
Range: 40 NM (220 px radius)
WiFi connecting..........
WiFi connected: 192.168.1.42
Display: 480x480
Touch: LVGL indev registered
Initial fetch: 12 aircraft
Running.

dump1090 API
Fetches http://<host>:<port>/data/aircraft.json every 2 seconds. Expected format:
[{
"hex": "4ca89b",
"flight": "RYR123 ",
"lat": 51.52, "lon": -0.10,
"alt_geom": 35000, "gs": 440,
"track": 270, "vert_rate": 0, "seen": 0.3
}]
Aircraft without lat/lon are skipped automatically.
Land mask
To generate the land mask background for your location:
  1. Open tools/land_mask_map.html in a browser
  2. Enter your home lat/lon and range → Update Map
  3. Download land_mask.h → drop it into src/
Troubleshooting
IssueFix
Blank displayCheck pinout in config.h matches your wiring; verify rotation setting for C6
Build fails on C6First build downloads the pioarduino platform (~5 min); ensure internet connection
C6: "missing platformio-build-esp32c6.py"Ensure platform = points to pioarduino/platform-espressif32 — the stock espressif32 platform lacks C6 Arduino support
No WiFiCheck SSID/password in config.h
No aircraftVerify dump1090 is running: open http://<host>:8080/data/aircraft.json in browser
Compile errorRun ./setup.sh or .\setup.ps1 to create source symlinks
Upload failsIn WSL, use flash_win.ps1 from Windows PowerShell instead
LVGL config warninglv_conf.h is correctly configured — the warning is cosmetic
Display upside-down or sidewaysAdjust lcd.setRotation() value in main.cpp (0–3)
About
Live aircraft radar on a 4" 480×480 smart display (ESP32-4848S040), pulling data from a local dump1090/readsb instance over WiFi.
Resources
Readme
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
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// Remove or un-stick sticky/fixed headers that block content
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Skip to content
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Repository files navigation
Radar Display — ESP32 + LVGL + dump1090
Live aircraft radar pulling data from a local dump1090/readsb instance over WiFi. Two hardware targets supported — swap between them with a single build flag.
TargetBoardDisplayResolutionTouch
S3 (default)ESP32-S3 4848S040ST7701 RGB480×480GT911 (I²C)
C6ESP32-C6 DevKitILI9341 SPI240×240 cropnone
Quick start
git clone https://github.com/gregdev/dump1090-radar-display.git radar-display
cd radar-display
# 1. Create your config
cp src/config.example.h src/config.h
# Edit src/config.h: set WiFi SSID/password, dump1090 host IP, and home lat/lon# 2. Build & flash# ESP32-S3 + 480×480 RGB (default):
pio run --target upload
# ESP32-C6 + ILI9341 2.4" SPI:
pio run -e esp32-c6-ili9341 --target upload
Windows users: see First-time setup below for PlatformIO details.
Build targets
The project uses two PlatformIO environments — switching is a one-line change:
# platformio.ini[env:esp32-s3-4848s040]# S3 + ST7701 RGB 480×480 (PSRAM, touch)[env:esp32-c6-ili9341]# C6 + ILI9341 SPI 240×240 crop (no PSRAM, no touch)
The entire codebase is platform-aware via -DPLATFORM_C6_ILI9341 — display driver, screen dimensions, touch, and memory allocation all switch automatically. No code changes needed to move between targets.
C6 wiring (ILI9341)
ILI9341 pinESP32-C6 GPIO
SCK6
SDI (MOSI)7
SDO (MISO)2
CS18
DC (RS)19
RESET20
LED (BL)21
To change pins, edit the ILI9341_PIN_* defines under #ifdef PLATFORM_C6_ILI9341 in config.h.
Hardware
ESP32-S3 (default)
  • Board: ESP32-4848S040C_I_Y_3 (Jingcai/Guition)
  • MCU: ESP32-S3, 16MB Flash, 8MB Octal PSRAM
  • Display: ST7701 RGB 480×480, 16-bit parallel
  • Touch: GT911 capacitive (I²C)
  • Library: LovyanGFX (display), LVGL v9 (UI)
ESP32-C6 (alternative)
  • Board: ESP32-C6 DevKitC-1
  • MCU: ESP32-C6, 8MB Flash, 320KB SRAM (no PSRAM)
  • Display: ILI9341 2.4" SPI TFT, 240×320 → 240×240 square crop
  • Touch: none (skipped in firmware)
  • Platform: pioarduino/platform-espressif32 (Arduino-ESP32 v3.x)
Project structure
platformio.ini # PlatformIO build config (two envs)
lv_conf.h # LVGL v9 configuration (PSRAM-aware)
boards/
├── esp32-s3-4848s040.json # Guition integrated board definition
├── esp32-s3-devkitc-1-n8r8.json # Bare S3 DevKit, 8MB flash / 8MB PSRAM
├── esp32-s3-devkitc-1-n16r8.json # Bare S3 DevKit, 16MB flash / 8MB PSRAM
└── esp32-c6-devkitc-1.json # Custom C6 board (enables Arduino)
flash_win.ps1 # Windows PowerShell flash helper
build_flash.sh # WSL build/flash helper
src/
├── main.cpp # Entry point: WiFi → display → LVGL → radar loop
├── lgfx_config.h # LovyanGFX config (RGB / SPI, platform-aware)
├── radar_ui.h / .cpp # LVGL canvas-based radar rendering
├── aircraft_data.h / .cpp # HTTP fetch + JSON parse
├── coord_convert.h / .cpp # Geo → pixel projection
├── config.h # WiFi, dump1090 URL, home, display pins & dims (gitignored)
├── config.example.h # Template — copy to config.h
├── land_mask.h # Generated land/sea mask data
└── fonts/
└── lv_font_monoid_12.c # Custom bitmap font

First-time setup
Windows
git clone <url> radar-display
cd radar-display
python -m pip install platformio
pio run # builds S3 firmware
pio run -e esp32-c6-ili9341 # builds C6 firmware
pio run --target upload # builds + flashes S3
WSL / Linux
git clone <url> radar-display
cd radar-display
pipx install platformio # or: python3 -m pip install platformio
pio run # build S3
pio run -e esp32-c6-ili9341 # build C6
pio run --target upload # build + flash S3 (needs USB passthrough on WSL)
WSL notes: USB passthrough is unreliable. Use flash_win.ps1 from Windows PowerShell instead, or attach the device via usbipd (usbipd bind --busid X-Y, usbipd attach --wsl --busid X-Y).
Configuration
Edit src/config.h:
#defineWIFI_SSID "MyWiFi"
#defineWIFI_PASSWORD "password123"
#defineDUMP1090_HOST "192.168.1.100" // your Pi/PC running dump1090
#defineDUMP1090_PORT 8080
#defineHOME_LAT 51.5074 // your latitude
#defineHOME_LON -0.1278 // your longitude
#defineRADAR_RANGE_NM 40 // radar range in nautical miles
Expected serial output
=== ESP32 Radar Display ===
dump1090: http://192.168.1.100:8080/data/aircraft.json
Home: 51.507400, -0.127800
Range: 40 NM (220 px radius)
WiFi connecting..........
WiFi connected: 192.168.1.42
Display: 480x480
Touch: LVGL indev registered
Initial fetch: 12 aircraft
Running.

dump1090 API
Fetches http://<host>:<port>/data/aircraft.json every 2 seconds. Expected format:
[{
"hex": "4ca89b",
"flight": "RYR123 ",
"lat": 51.52, "lon": -0.10,
"alt_geom": 35000, "gs": 440,
"track": 270, "vert_rate": 0, "seen": 0.3
}]
Aircraft without lat/lon are skipped automatically.
Land mask
To generate the land mask background for your location:
  1. Open tools/land_mask_map.html in a browser
  2. Enter your home lat/lon and range → Update Map
  3. Download land_mask.h → drop it into src/
Troubleshooting
IssueFix
Blank displayCheck pinout in config.h matches your wiring; verify rotation setting for C6
Build fails on C6First build downloads the pioarduino platform (~5 min); ensure internet connection
C6: "missing platformio-build-esp32c6.py"Ensure platform = points to pioarduino/platform-espressif32 — the stock espressif32 platform lacks C6 Arduino support
No WiFiCheck SSID/password in config.h
No aircraftVerify dump1090 is running: open http://<host>:8080/data/aircraft.json in browser
Compile errorRun ./setup.sh or .\setup.ps1 to create source symlinks
Upload failsIn WSL, use flash_win.ps1 from Windows PowerShell instead
LVGL config warninglv_conf.h is correctly configured — the warning is cosmetic
Display upside-down or sidewaysAdjust lcd.setRotation() value in main.cpp (0–3)
About
Live aircraft radar on a 4" 480×480 smart display (ESP32-4848S040), pulling data from a local dump1090/readsb instance over WiFi.
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Readme
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style.id = 'universal-dark-mode-style';
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filter: invert(1) hue-rotate(180deg) !important;
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Radar Display — ESP32 + LVGL + dump1090
Live aircraft radar pulling data from a local dump1090/readsb instance over WiFi. Two hardware targets supported — swap between them with a single build flag.
TargetBoardDisplayResolutionTouch
S3 (default)ESP32-S3 4848S040ST7701 RGB480×480GT911 (I²C)
C6ESP32-C6 DevKitILI9341 SPI240×240 cropnone
Quick start
git clone https://github.com/gregdev/dump1090-radar-display.git radar-display
cd radar-display
# 1. Create your config
cp src/config.example.h src/config.h
# Edit src/config.h: set WiFi SSID/password, dump1090 host IP, and home lat/lon# 2. Build & flash# ESP32-S3 + 480×480 RGB (default):
pio run --target upload
# ESP32-C6 + ILI9341 2.4" SPI:
pio run -e esp32-c6-ili9341 --target upload
Windows users: see First-time setup below for PlatformIO details.
Build targets
The project uses two PlatformIO environments — switching is a one-line change:
# platformio.ini[env:esp32-s3-4848s040]# S3 + ST7701 RGB 480×480 (PSRAM, touch)[env:esp32-c6-ili9341]# C6 + ILI9341 SPI 240×240 crop (no PSRAM, no touch)
The entire codebase is platform-aware via -DPLATFORM_C6_ILI9341 — display driver, screen dimensions, touch, and memory allocation all switch automatically. No code changes needed to move between targets.
C6 wiring (ILI9341)
ILI9341 pinESP32-C6 GPIO
SCK6
SDI (MOSI)7
SDO (MISO)2
CS18
DC (RS)19
RESET20
LED (BL)21
To change pins, edit the ILI9341_PIN_* defines under #ifdef PLATFORM_C6_ILI9341 in config.h.
Hardware
ESP32-S3 (default)
  • Board: ESP32-4848S040C_I_Y_3 (Jingcai/Guition)
  • MCU: ESP32-S3, 16MB Flash, 8MB Octal PSRAM
  • Display: ST7701 RGB 480×480, 16-bit parallel
  • Touch: GT911 capacitive (I²C)
  • Library: LovyanGFX (display), LVGL v9 (UI)
ESP32-C6 (alternative)
  • Board: ESP32-C6 DevKitC-1
  • MCU: ESP32-C6, 8MB Flash, 320KB SRAM (no PSRAM)
  • Display: ILI9341 2.4" SPI TFT, 240×320 → 240×240 square crop
  • Touch: none (skipped in firmware)
  • Platform: pioarduino/platform-espressif32 (Arduino-ESP32 v3.x)
Project structure
platformio.ini # PlatformIO build config (two envs)
lv_conf.h # LVGL v9 configuration (PSRAM-aware)
boards/
├── esp32-s3-4848s040.json # Guition integrated board definition
├── esp32-s3-devkitc-1-n8r8.json # Bare S3 DevKit, 8MB flash / 8MB PSRAM
├── esp32-s3-devkitc-1-n16r8.json # Bare S3 DevKit, 16MB flash / 8MB PSRAM
└── esp32-c6-devkitc-1.json # Custom C6 board (enables Arduino)
flash_win.ps1 # Windows PowerShell flash helper
build_flash.sh # WSL build/flash helper
src/
├── main.cpp # Entry point: WiFi → display → LVGL → radar loop
├── lgfx_config.h # LovyanGFX config (RGB / SPI, platform-aware)
├── radar_ui.h / .cpp # LVGL canvas-based radar rendering
├── aircraft_data.h / .cpp # HTTP fetch + JSON parse
├── coord_convert.h / .cpp # Geo → pixel projection
├── config.h # WiFi, dump1090 URL, home, display pins & dims (gitignored)
├── config.example.h # Template — copy to config.h
├── land_mask.h # Generated land/sea mask data
└── fonts/
└── lv_font_monoid_12.c # Custom bitmap font

First-time setup
Windows
git clone <url> radar-display
cd radar-display
python -m pip install platformio
pio run # builds S3 firmware
pio run -e esp32-c6-ili9341 # builds C6 firmware
pio run --target upload # builds + flashes S3
WSL / Linux
git clone <url> radar-display
cd radar-display
pipx install platformio # or: python3 -m pip install platformio
pio run # build S3
pio run -e esp32-c6-ili9341 # build C6
pio run --target upload # build + flash S3 (needs USB passthrough on WSL)
WSL notes: USB passthrough is unreliable. Use flash_win.ps1 from Windows PowerShell instead, or attach the device via usbipd (usbipd bind --busid X-Y, usbipd attach --wsl --busid X-Y).
Configuration
Edit src/config.h:
#defineWIFI_SSID "MyWiFi"
#defineWIFI_PASSWORD "password123"
#defineDUMP1090_HOST "192.168.1.100" // your Pi/PC running dump1090
#defineDUMP1090_PORT 8080
#defineHOME_LAT 51.5074 // your latitude
#defineHOME_LON -0.1278 // your longitude
#defineRADAR_RANGE_NM 40 // radar range in nautical miles
Expected serial output
=== ESP32 Radar Display ===
dump1090: http://192.168.1.100:8080/data/aircraft.json
Home: 51.507400, -0.127800
Range: 40 NM (220 px radius)
WiFi connecting..........
WiFi connected: 192.168.1.42
Display: 480x480
Touch: LVGL indev registered
Initial fetch: 12 aircraft
Running.

dump1090 API
Fetches http://<host>:<port>/data/aircraft.json every 2 seconds. Expected format:
[{
"hex": "4ca89b",
"flight": "RYR123 ",
"lat": 51.52, "lon": -0.10,
"alt_geom": 35000, "gs": 440,
"track": 270, "vert_rate": 0, "seen": 0.3
}]
Aircraft without lat/lon are skipped automatically.
Land mask
To generate the land mask background for your location:
  1. Open tools/land_mask_map.html in a browser
  2. Enter your home lat/lon and range → Update Map
  3. Download land_mask.h → drop it into src/
Troubleshooting
IssueFix
Blank displayCheck pinout in config.h matches your wiring; verify rotation setting for C6
Build fails on C6First build downloads the pioarduino platform (~5 min); ensure internet connection
C6: "missing platformio-build-esp32c6.py"Ensure platform = points to pioarduino/platform-espressif32 — the stock espressif32 platform lacks C6 Arduino support
No WiFiCheck SSID/password in config.h
No aircraftVerify dump1090 is running: open http://<host>:8080/data/aircraft.json in browser
Compile errorRun ./setup.sh or .\setup.ps1 to create source symlinks
Upload failsIn WSL, use flash_win.ps1 from Windows PowerShell instead
LVGL config warninglv_conf.h is correctly configured — the warning is cosmetic
Display upside-down or sidewaysAdjust lcd.setRotation() value in main.cpp (0–3)
About
Live aircraft radar on a 4" 480×480 smart display (ESP32-4848S040), pulling data from a local dump1090/readsb instance over WiFi.
Resources
Readme
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages