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Water Flow Sensor Library Arduino

arduino-library-badgePlatformIO RegistryGitHub releaseLicense

🚀 Description

Arduino library for Flow Sensor

Volume Formula

$$Volume (L) = {Total Pulse \over Pulse/Liter}$$

Flow rate Formula

$$Q = {Frequency \over Pulse/Liter}60$$$$Q = {Pulse/Time \over Pulse/Liter}60$$

Q = Flowrate (Liter/minute)

🔥 Features

  • Get Volume in Liter
  • Get Flow Rate in Liter/Secound
  • Get Flow Rate in Liter/Minute
  • Get Flow Rate in Liter/hour
  • Count Pulse and get Value

✨ Tested Devices

  • Arduino Nano ATMega328P
  • NodeMCU ESP8266
  • NodeMCu ESP32
  • LGT8F328P (Logic Green)

💻 Installation

Using Library Manager

Arduino

At Arduino IDE, go to menu Sketch -> Include Library -> Manage Libraries...

In Library Manager Window, search "flowsensor" in the search form then select "FlowSensor".

Click "Install" button.

Platform IO

For PlatformIO IDE, using the following command.

Or at PIO Home -> Library -> Registry then search FlowSensor.

Manual Installation

For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP

From Arduino IDE, select menu Sketch -> Include Library -> Add .ZIP Library....

Choose FlowSensor-Arduino-master.zip that previously downloaded.

🔥 Sensor

Sensor TypeCodePulse/Liter
YF-S201YFS201450
YF-S401YFS4015880
YF-B1YFB1660
YF-B1-SYFB1S1077
OF10ZATOF10ZAT400
OF10ZZTOF10ZZT400
OF05ZATOF05ZAT2174
OF05ZZTOF05ZZT2174

✨ Add New Sensor

If you want to add new sensor you can edit FlowSensor_Type.h file in src and create pull request or you can use dynamic declaration.

💻 Usages

See all examples

Initialization

If your sensor is not available in sensor list you can use dynamic declaration by use sensor pulse/liter in type, example 450 for YF-S201.

#include<FlowSensor.h>uint16_t type = YFS201; // type : Sensor type or pulse/liter// uint16_t type = 450;uint8_t pin = D2; // pin : interrupt pin
FlowSensor Sensor(type, pin);

if you want to change sensor pin and sensor type you can use setPin and setType.
if you change the pin with setPin() you have to do sensor.begin() again

Sensor.setPin(pin);
Sensor.setType(type);

Sensor begin

param userFunc
param pullup
if you have an external pull up you can set pull up to true

voidcount()
{
Sensor.count();
}
voidsetup()
{
Sensor.begin(count());
}

Set Sensor Pin

param pin

Sensor.setPin(pin);

Set Sensor Type

param type

Sensor.setType(type);

Sensor Read

Sensor.read()

Count Pulse

Sensor.count()

Get Total Pulse

return total pulse

Sensor.getPulse()

Reset Pulse

set pulse value to 0

Sensor.resetPulse()

Get Flowrate (L/s)

return Flowrate (L/s)

Sensor.getFlowRate_s()

Get Flowrate (L/m)

return Flowrate (L/m)

Sensor.getFlowRate_m()

Get Flowrate (L/h)

return Flowrate (L/h)

Sensor.getFlowRate_h()

Get Total Volume (L)

return Volume (L)

Sensor.getVolume()

Reset Volume (L)

set volume value to 0

Sensor.resetVolume()

🛡️ License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Support

We all need support and motivation. Please give this project a ⭐️ to encourage and show that you liked it. Don't forget to leave a star ⭐️ before you move away.

If you found the app helpful, consider supporting us with a coffee.

About

Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT

Topics

arduinoarduino-libraryesp32esp8266flow-sensorsensorwaterflow-sensor

Resources

Readme
MIT license

Code of conduct

Code of conduct

Contributing

Contributing
Activity

Stars

59 stars

Watchers

3 watching

Forks

17 forks
Report repository

Releases

Sponsor this project

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Water Flow Sensor Library Arduino
arduino-library-badgePlatformIO RegistryGitHub releaseLicense
🚀 Description
Arduino library for Flow Sensor
Volume Formula
$$Volume (L) = {Total Pulse \over Pulse/Liter}$$
Flow rate Formula
$$Q = {Frequency \over Pulse/Liter}60$$$$Q = {Pulse/Time \over Pulse/Liter}60$$
Q = Flowrate (Liter/minute)
🔥 Features
  • Get Volume in Liter
  • Get Flow Rate in Liter/Secound
  • Get Flow Rate in Liter/Minute
  • Get Flow Rate in Liter/hour
  • Count Pulse and get Value
✨ Tested Devices
  • Arduino Nano ATMega328P
  • NodeMCU ESP8266
  • NodeMCu ESP32
  • LGT8F328P (Logic Green)
💻 Installation
Using Library Manager
Arduino
At Arduino IDE, go to menu Sketch -> Include Library -> Manage Libraries...
In Library Manager Window, search "flowsensor" in the search form then select "FlowSensor".
Click "Install" button.
Platform IO
For PlatformIO IDE, using the following command.
Or at PIO Home -> Library -> Registry then search FlowSensor.
Manual Installation
For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP
From Arduino IDE, select menu Sketch -> Include Library -> Add .ZIP Library....
Choose FlowSensor-Arduino-master.zip that previously downloaded.
🔥 Sensor
Sensor TypeCodePulse/Liter
YF-S201YFS201450
YF-S401YFS4015880
YF-B1YFB1660
YF-B1-SYFB1S1077
OF10ZATOF10ZAT400
OF10ZZTOF10ZZT400
OF05ZATOF05ZAT2174
OF05ZZTOF05ZZT2174
✨ Add New Sensor
If you want to add new sensor you can edit FlowSensor_Type.h file in src and create pull request or you can use dynamic declaration.
💻 Usages
See all examples
Initialization
If your sensor is not available in sensor list you can use dynamic declaration by use sensor pulse/liter in type, example 450 for YF-S201.
#include<FlowSensor.h>uint16_t type = YFS201; // type : Sensor type or pulse/liter// uint16_t type = 450;uint8_t pin = D2; // pin : interrupt pin
FlowSensor Sensor(type, pin);
if you want to change sensor pin and sensor type you can use setPin and setType.

if you change the pin with setPin() you have to do sensor.begin() again
Sensor.setPin(pin);
Sensor.setType(type);
Sensor begin
param userFunc

param pullup

if you have an external pull up you can set pull up to true
voidcount()
{
Sensor.count();
}
voidsetup()
{
Sensor.begin(count());
}
Set Sensor Pin
param pin
Sensor.setPin(pin);
Set Sensor Type
param type
Sensor.setType(type);
Sensor Read
Sensor.read()
Count Pulse
Sensor.count()
Get Total Pulse
return total pulse
Sensor.getPulse()
Reset Pulse
set pulse value to 0
Sensor.resetPulse()
Get Flowrate (L/s)
return Flowrate (L/s)
Sensor.getFlowRate_s()
Get Flowrate (L/m)
return Flowrate (L/m)
Sensor.getFlowRate_m() 
Get Flowrate (L/h)
return Flowrate (L/h)
Sensor.getFlowRate_h() 
Get Total Volume (L)
return Volume (L)
Sensor.getVolume()
Reset Volume (L)
set volume value to 0
Sensor.resetVolume()
🛡️ License
This project is licensed under the MIT License - see the LICENSE file for details.
🙏 Support
We all need support and motivation. Please give this project a ⭐️ to encourage and show that you liked it. Don't forget to leave a star ⭐️ before you move away.
If you found the app helpful, consider supporting us with a coffee.
About
Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT
Topics
arduinoarduino-libraryesp32esp8266flow-sensorsensorwaterflow-sensor
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
59 stars
Watchers
3 watching
Forks
17 forks
Report repository
Releases
Sponsor this project
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Water Flow Sensor Library Arduino
arduino-library-badgePlatformIO RegistryGitHub releaseLicense
🚀 Description
Arduino library for Flow Sensor
Volume Formula
$$Volume (L) = {Total Pulse \over Pulse/Liter}$$
Flow rate Formula
$$Q = {Frequency \over Pulse/Liter}60$$$$Q = {Pulse/Time \over Pulse/Liter}60$$
Q = Flowrate (Liter/minute)
🔥 Features
  • Get Volume in Liter
  • Get Flow Rate in Liter/Secound
  • Get Flow Rate in Liter/Minute
  • Get Flow Rate in Liter/hour
  • Count Pulse and get Value
✨ Tested Devices
  • Arduino Nano ATMega328P
  • NodeMCU ESP8266
  • NodeMCu ESP32
  • LGT8F328P (Logic Green)
💻 Installation
Using Library Manager
Arduino
At Arduino IDE, go to menu Sketch -> Include Library -> Manage Libraries...
In Library Manager Window, search "flowsensor" in the search form then select "FlowSensor".
Click "Install" button.
Platform IO
For PlatformIO IDE, using the following command.
Or at PIO Home -> Library -> Registry then search FlowSensor.
Manual Installation
For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP
From Arduino IDE, select menu Sketch -> Include Library -> Add .ZIP Library....
Choose FlowSensor-Arduino-master.zip that previously downloaded.
🔥 Sensor
Sensor TypeCodePulse/Liter
YF-S201YFS201450
YF-S401YFS4015880
YF-B1YFB1660
YF-B1-SYFB1S1077
OF10ZATOF10ZAT400
OF10ZZTOF10ZZT400
OF05ZATOF05ZAT2174
OF05ZZTOF05ZZT2174
✨ Add New Sensor
If you want to add new sensor you can edit FlowSensor_Type.h file in src and create pull request or you can use dynamic declaration.
💻 Usages
See all examples
Initialization
If your sensor is not available in sensor list you can use dynamic declaration by use sensor pulse/liter in type, example 450 for YF-S201.
#include<FlowSensor.h>uint16_t type = YFS201; // type : Sensor type or pulse/liter// uint16_t type = 450;uint8_t pin = D2; // pin : interrupt pin
FlowSensor Sensor(type, pin);
if you want to change sensor pin and sensor type you can use setPin and setType.

if you change the pin with setPin() you have to do sensor.begin() again
Sensor.setPin(pin);
Sensor.setType(type);
Sensor begin
param userFunc

param pullup

if you have an external pull up you can set pull up to true
voidcount()
{
Sensor.count();
}
voidsetup()
{
Sensor.begin(count());
}
Set Sensor Pin
param pin
Sensor.setPin(pin);
Set Sensor Type
param type
Sensor.setType(type);
Sensor Read
Sensor.read()
Count Pulse
Sensor.count()
Get Total Pulse
return total pulse
Sensor.getPulse()
Reset Pulse
set pulse value to 0
Sensor.resetPulse()
Get Flowrate (L/s)
return Flowrate (L/s)
Sensor.getFlowRate_s()
Get Flowrate (L/m)
return Flowrate (L/m)
Sensor.getFlowRate_m() 
Get Flowrate (L/h)
return Flowrate (L/h)
Sensor.getFlowRate_h() 
Get Total Volume (L)
return Volume (L)
Sensor.getVolume()
Reset Volume (L)
set volume value to 0
Sensor.resetVolume()
🛡️ License
This project is licensed under the MIT License - see the LICENSE file for details.
🙏 Support
We all need support and motivation. Please give this project a ⭐️ to encourage and show that you liked it. Don't forget to leave a star ⭐️ before you move away.
If you found the app helpful, consider supporting us with a coffee.
About
Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT
Topics
arduinoarduino-libraryesp32esp8266flow-sensorsensorwaterflow-sensor
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
59 stars
Watchers
3 watching
Forks
17 forks
Report repository
Releases
Sponsor this project
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Water Flow Sensor Library Arduino
arduino-library-badgePlatformIO RegistryGitHub releaseLicense
🚀 Description
Arduino library for Flow Sensor
Volume Formula
$$Volume (L) = {Total Pulse \over Pulse/Liter}$$
Flow rate Formula
$$Q = {Frequency \over Pulse/Liter}60$$$$Q = {Pulse/Time \over Pulse/Liter}60$$
Q = Flowrate (Liter/minute)
🔥 Features
  • Get Volume in Liter
  • Get Flow Rate in Liter/Secound
  • Get Flow Rate in Liter/Minute
  • Get Flow Rate in Liter/hour
  • Count Pulse and get Value
✨ Tested Devices
  • Arduino Nano ATMega328P
  • NodeMCU ESP8266
  • NodeMCu ESP32
  • LGT8F328P (Logic Green)
💻 Installation
Using Library Manager
Arduino
At Arduino IDE, go to menu Sketch -> Include Library -> Manage Libraries...
In Library Manager Window, search "flowsensor" in the search form then select "FlowSensor".
Click "Install" button.
Platform IO
For PlatformIO IDE, using the following command.
Or at PIO Home -> Library -> Registry then search FlowSensor.
Manual Installation
For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP
From Arduino IDE, select menu Sketch -> Include Library -> Add .ZIP Library....
Choose FlowSensor-Arduino-master.zip that previously downloaded.
🔥 Sensor
Sensor TypeCodePulse/Liter
YF-S201YFS201450
YF-S401YFS4015880
YF-B1YFB1660
YF-B1-SYFB1S1077
OF10ZATOF10ZAT400
OF10ZZTOF10ZZT400
OF05ZATOF05ZAT2174
OF05ZZTOF05ZZT2174
✨ Add New Sensor
If you want to add new sensor you can edit FlowSensor_Type.h file in src and create pull request or you can use dynamic declaration.
💻 Usages
See all examples
Initialization
If your sensor is not available in sensor list you can use dynamic declaration by use sensor pulse/liter in type, example 450 for YF-S201.
#include<FlowSensor.h>uint16_t type = YFS201; // type : Sensor type or pulse/liter// uint16_t type = 450;uint8_t pin = D2; // pin : interrupt pin
FlowSensor Sensor(type, pin);
if you want to change sensor pin and sensor type you can use setPin and setType.

if you change the pin with setPin() you have to do sensor.begin() again
Sensor.setPin(pin);
Sensor.setType(type);
Sensor begin
param userFunc

param pullup

if you have an external pull up you can set pull up to true
voidcount()
{
Sensor.count();
}
voidsetup()
{
Sensor.begin(count());
}
Set Sensor Pin
param pin
Sensor.setPin(pin);
Set Sensor Type
param type
Sensor.setType(type);
Sensor Read
Sensor.read()
Count Pulse
Sensor.count()
Get Total Pulse
return total pulse
Sensor.getPulse()
Reset Pulse
set pulse value to 0
Sensor.resetPulse()
Get Flowrate (L/s)
return Flowrate (L/s)
Sensor.getFlowRate_s()
Get Flowrate (L/m)
return Flowrate (L/m)
Sensor.getFlowRate_m() 
Get Flowrate (L/h)
return Flowrate (L/h)
Sensor.getFlowRate_h() 
Get Total Volume (L)
return Volume (L)
Sensor.getVolume()
Reset Volume (L)
set volume value to 0
Sensor.resetVolume()
🛡️ License
This project is licensed under the MIT License - see the LICENSE file for details.
🙏 Support
We all need support and motivation. Please give this project a ⭐️ to encourage and show that you liked it. Don't forget to leave a star ⭐️ before you move away.
If you found the app helpful, consider supporting us with a coffee.
About
Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT
Topics
arduinoarduino-libraryesp32esp8266flow-sensorsensorwaterflow-sensor
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
59 stars
Watchers
3 watching
Forks
17 forks
Report repository
Releases
Sponsor this project
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Water Flow Sensor Library Arduino
arduino-library-badgePlatformIO RegistryGitHub releaseLicense
🚀 Description
Arduino library for Flow Sensor
Volume Formula
$$Volume (L) = {Total Pulse \over Pulse/Liter}$$
Flow rate Formula
$$Q = {Frequency \over Pulse/Liter}60$$$$Q = {Pulse/Time \over Pulse/Liter}60$$
Q = Flowrate (Liter/minute)
🔥 Features
  • Get Volume in Liter
  • Get Flow Rate in Liter/Secound
  • Get Flow Rate in Liter/Minute
  • Get Flow Rate in Liter/hour
  • Count Pulse and get Value
✨ Tested Devices
  • Arduino Nano ATMega328P
  • NodeMCU ESP8266
  • NodeMCu ESP32
  • LGT8F328P (Logic Green)
💻 Installation
Using Library Manager
Arduino
At Arduino IDE, go to menu Sketch -> Include Library -> Manage Libraries...
In Library Manager Window, search "flowsensor" in the search form then select "FlowSensor".
Click "Install" button.
Platform IO
For PlatformIO IDE, using the following command.
Or at PIO Home -> Library -> Registry then search FlowSensor.
Manual Installation
For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP
From Arduino IDE, select menu Sketch -> Include Library -> Add .ZIP Library....
Choose FlowSensor-Arduino-master.zip that previously downloaded.
🔥 Sensor
Sensor TypeCodePulse/Liter
YF-S201YFS201450
YF-S401YFS4015880
YF-B1YFB1660
YF-B1-SYFB1S1077
OF10ZATOF10ZAT400
OF10ZZTOF10ZZT400
OF05ZATOF05ZAT2174
OF05ZZTOF05ZZT2174
✨ Add New Sensor
If you want to add new sensor you can edit FlowSensor_Type.h file in src and create pull request or you can use dynamic declaration.
💻 Usages
See all examples
Initialization
If your sensor is not available in sensor list you can use dynamic declaration by use sensor pulse/liter in type, example 450 for YF-S201.
#include<FlowSensor.h>uint16_t type = YFS201; // type : Sensor type or pulse/liter// uint16_t type = 450;uint8_t pin = D2; // pin : interrupt pin
FlowSensor Sensor(type, pin);
if you want to change sensor pin and sensor type you can use setPin and setType.

if you change the pin with setPin() you have to do sensor.begin() again
Sensor.setPin(pin);
Sensor.setType(type);
Sensor begin
param userFunc

param pullup

if you have an external pull up you can set pull up to true
voidcount()
{
Sensor.count();
}
voidsetup()
{
Sensor.begin(count());
}
Set Sensor Pin
param pin
Sensor.setPin(pin);
Set Sensor Type
param type
Sensor.setType(type);
Sensor Read
Sensor.read()
Count Pulse
Sensor.count()
Get Total Pulse
return total pulse
Sensor.getPulse()
Reset Pulse
set pulse value to 0
Sensor.resetPulse()
Get Flowrate (L/s)
return Flowrate (L/s)
Sensor.getFlowRate_s()
Get Flowrate (L/m)
return Flowrate (L/m)
Sensor.getFlowRate_m() 
Get Flowrate (L/h)
return Flowrate (L/h)
Sensor.getFlowRate_h() 
Get Total Volume (L)
return Volume (L)
Sensor.getVolume()
Reset Volume (L)
set volume value to 0
Sensor.resetVolume()
🛡️ License
This project is licensed under the MIT License - see the LICENSE file for details.
🙏 Support
We all need support and motivation. Please give this project a ⭐️ to encourage and show that you liked it. Don't forget to leave a star ⭐️ before you move away.
If you found the app helpful, consider supporting us with a coffee.
About
Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT
Topics
arduinoarduino-libraryesp32esp8266flow-sensorsensorwaterflow-sensor
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
59 stars
Watchers
3 watching
Forks
17 forks
Report repository
Releases
Sponsor this project
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Water Flow Sensor Library Arduino
arduino-library-badgePlatformIO RegistryGitHub releaseLicense
🚀 Description
Arduino library for Flow Sensor
Volume Formula
$$Volume (L) = {Total Pulse \over Pulse/Liter}$$
Flow rate Formula
$$Q = {Frequency \over Pulse/Liter}60$$$$Q = {Pulse/Time \over Pulse/Liter}60$$
Q = Flowrate (Liter/minute)
🔥 Features
  • Get Volume in Liter
  • Get Flow Rate in Liter/Secound
  • Get Flow Rate in Liter/Minute
  • Get Flow Rate in Liter/hour
  • Count Pulse and get Value
✨ Tested Devices
  • Arduino Nano ATMega328P
  • NodeMCU ESP8266
  • NodeMCu ESP32
  • LGT8F328P (Logic Green)
💻 Installation
Using Library Manager
Arduino
At Arduino IDE, go to menu Sketch -> Include Library -> Manage Libraries...
In Library Manager Window, search "flowsensor" in the search form then select "FlowSensor".
Click "Install" button.
Platform IO
For PlatformIO IDE, using the following command.
Or at PIO Home -> Library -> Registry then search FlowSensor.
Manual Installation
For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP
From Arduino IDE, select menu Sketch -> Include Library -> Add .ZIP Library....
Choose FlowSensor-Arduino-master.zip that previously downloaded.
🔥 Sensor
Sensor TypeCodePulse/Liter
YF-S201YFS201450
YF-S401YFS4015880
YF-B1YFB1660
YF-B1-SYFB1S1077
OF10ZATOF10ZAT400
OF10ZZTOF10ZZT400
OF05ZATOF05ZAT2174
OF05ZZTOF05ZZT2174
✨ Add New Sensor
If you want to add new sensor you can edit FlowSensor_Type.h file in src and create pull request or you can use dynamic declaration.
💻 Usages
See all examples
Initialization
If your sensor is not available in sensor list you can use dynamic declaration by use sensor pulse/liter in type, example 450 for YF-S201.
#include<FlowSensor.h>uint16_t type = YFS201; // type : Sensor type or pulse/liter// uint16_t type = 450;uint8_t pin = D2; // pin : interrupt pin
FlowSensor Sensor(type, pin);
if you want to change sensor pin and sensor type you can use setPin and setType.

if you change the pin with setPin() you have to do sensor.begin() again
Sensor.setPin(pin);
Sensor.setType(type);
Sensor begin
param userFunc

param pullup

if you have an external pull up you can set pull up to true
voidcount()
{
Sensor.count();
}
voidsetup()
{
Sensor.begin(count());
}
Set Sensor Pin
param pin
Sensor.setPin(pin);
Set Sensor Type
param type
Sensor.setType(type);
Sensor Read
Sensor.read()
Count Pulse
Sensor.count()
Get Total Pulse
return total pulse
Sensor.getPulse()
Reset Pulse
set pulse value to 0
Sensor.resetPulse()
Get Flowrate (L/s)
return Flowrate (L/s)
Sensor.getFlowRate_s()
Get Flowrate (L/m)
return Flowrate (L/m)
Sensor.getFlowRate_m() 
Get Flowrate (L/h)
return Flowrate (L/h)
Sensor.getFlowRate_h() 
Get Total Volume (L)
return Volume (L)
Sensor.getVolume()
Reset Volume (L)
set volume value to 0
Sensor.resetVolume()
🛡️ License
This project is licensed under the MIT License - see the LICENSE file for details.
🙏 Support
We all need support and motivation. Please give this project a ⭐️ to encourage and show that you liked it. Don't forget to leave a star ⭐️ before you move away.
If you found the app helpful, consider supporting us with a coffee.
About
Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT
Topics
arduinoarduino-libraryesp32esp8266flow-sensorsensorwaterflow-sensor
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
59 stars
Watchers
3 watching
Forks
17 forks
Report repository
Releases
Sponsor this project
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Water Flow Sensor Library Arduino
arduino-library-badgePlatformIO RegistryGitHub releaseLicense
🚀 Description
Arduino library for Flow Sensor
Volume Formula
$$Volume (L) = {Total Pulse \over Pulse/Liter}$$
Flow rate Formula
$$Q = {Frequency \over Pulse/Liter}60$$$$Q = {Pulse/Time \over Pulse/Liter}60$$
Q = Flowrate (Liter/minute)
🔥 Features
  • Get Volume in Liter
  • Get Flow Rate in Liter/Secound
  • Get Flow Rate in Liter/Minute
  • Get Flow Rate in Liter/hour
  • Count Pulse and get Value
✨ Tested Devices
  • Arduino Nano ATMega328P
  • NodeMCU ESP8266
  • NodeMCu ESP32
  • LGT8F328P (Logic Green)
💻 Installation
Using Library Manager
Arduino
At Arduino IDE, go to menu Sketch -> Include Library -> Manage Libraries...
In Library Manager Window, search "flowsensor" in the search form then select "FlowSensor".
Click "Install" button.
Platform IO
For PlatformIO IDE, using the following command.
Or at PIO Home -> Library -> Registry then search FlowSensor.
Manual Installation
For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP
From Arduino IDE, select menu Sketch -> Include Library -> Add .ZIP Library....
Choose FlowSensor-Arduino-master.zip that previously downloaded.
🔥 Sensor
Sensor TypeCodePulse/Liter
YF-S201YFS201450
YF-S401YFS4015880
YF-B1YFB1660
YF-B1-SYFB1S1077
OF10ZATOF10ZAT400
OF10ZZTOF10ZZT400
OF05ZATOF05ZAT2174
OF05ZZTOF05ZZT2174
✨ Add New Sensor
If you want to add new sensor you can edit FlowSensor_Type.h file in src and create pull request or you can use dynamic declaration.
💻 Usages
See all examples
Initialization
If your sensor is not available in sensor list you can use dynamic declaration by use sensor pulse/liter in type, example 450 for YF-S201.
#include<FlowSensor.h>uint16_t type = YFS201; // type : Sensor type or pulse/liter// uint16_t type = 450;uint8_t pin = D2; // pin : interrupt pin
FlowSensor Sensor(type, pin);
if you want to change sensor pin and sensor type you can use setPin and setType.

if you change the pin with setPin() you have to do sensor.begin() again
Sensor.setPin(pin);
Sensor.setType(type);
Sensor begin
param userFunc

param pullup

if you have an external pull up you can set pull up to true
voidcount()
{
Sensor.count();
}
voidsetup()
{
Sensor.begin(count());
}
Set Sensor Pin
param pin
Sensor.setPin(pin);
Set Sensor Type
param type
Sensor.setType(type);
Sensor Read
Sensor.read()
Count Pulse
Sensor.count()
Get Total Pulse
return total pulse
Sensor.getPulse()
Reset Pulse
set pulse value to 0
Sensor.resetPulse()
Get Flowrate (L/s)
return Flowrate (L/s)
Sensor.getFlowRate_s()
Get Flowrate (L/m)
return Flowrate (L/m)
Sensor.getFlowRate_m() 
Get Flowrate (L/h)
return Flowrate (L/h)
Sensor.getFlowRate_h() 
Get Total Volume (L)
return Volume (L)
Sensor.getVolume()
Reset Volume (L)
set volume value to 0
Sensor.resetVolume()
🛡️ License
This project is licensed under the MIT License - see the LICENSE file for details.
🙏 Support
We all need support and motivation. Please give this project a ⭐️ to encourage and show that you liked it. Don't forget to leave a star ⭐️ before you move away.
If you found the app helpful, consider supporting us with a coffee.
About
Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT
Topics
arduinoarduino-libraryesp32esp8266flow-sensorsensorwaterflow-sensor
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
59 stars
Watchers
3 watching
Forks
17 forks
Report repository
Releases
Sponsor this project
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Water Flow Sensor Library Arduino
arduino-library-badgePlatformIO RegistryGitHub releaseLicense
🚀 Description
Arduino library for Flow Sensor
Volume Formula
$$Volume (L) = {Total Pulse \over Pulse/Liter}$$
Flow rate Formula
$$Q = {Frequency \over Pulse/Liter}60$$$$Q = {Pulse/Time \over Pulse/Liter}60$$
Q = Flowrate (Liter/minute)
🔥 Features
  • Get Volume in Liter
  • Get Flow Rate in Liter/Secound
  • Get Flow Rate in Liter/Minute
  • Get Flow Rate in Liter/hour
  • Count Pulse and get Value
✨ Tested Devices
  • Arduino Nano ATMega328P
  • NodeMCU ESP8266
  • NodeMCu ESP32
  • LGT8F328P (Logic Green)
💻 Installation
Using Library Manager
Arduino
At Arduino IDE, go to menu Sketch -> Include Library -> Manage Libraries...
In Library Manager Window, search "flowsensor" in the search form then select "FlowSensor".
Click "Install" button.
Platform IO
For PlatformIO IDE, using the following command.
Or at PIO Home -> Library -> Registry then search FlowSensor.
Manual Installation
For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP
From Arduino IDE, select menu Sketch -> Include Library -> Add .ZIP Library....
Choose FlowSensor-Arduino-master.zip that previously downloaded.
🔥 Sensor
Sensor TypeCodePulse/Liter
YF-S201YFS201450
YF-S401YFS4015880
YF-B1YFB1660
YF-B1-SYFB1S1077
OF10ZATOF10ZAT400
OF10ZZTOF10ZZT400
OF05ZATOF05ZAT2174
OF05ZZTOF05ZZT2174
✨ Add New Sensor
If you want to add new sensor you can edit FlowSensor_Type.h file in src and create pull request or you can use dynamic declaration.
💻 Usages
See all examples
Initialization
If your sensor is not available in sensor list you can use dynamic declaration by use sensor pulse/liter in type, example 450 for YF-S201.
#include<FlowSensor.h>uint16_t type = YFS201; // type : Sensor type or pulse/liter// uint16_t type = 450;uint8_t pin = D2; // pin : interrupt pin
FlowSensor Sensor(type, pin);
if you want to change sensor pin and sensor type you can use setPin and setType.

if you change the pin with setPin() you have to do sensor.begin() again
Sensor.setPin(pin);
Sensor.setType(type);
Sensor begin
param userFunc

param pullup

if you have an external pull up you can set pull up to true
voidcount()
{
Sensor.count();
}
voidsetup()
{
Sensor.begin(count());
}
Set Sensor Pin
param pin
Sensor.setPin(pin);
Set Sensor Type
param type
Sensor.setType(type);
Sensor Read
Sensor.read()
Count Pulse
Sensor.count()
Get Total Pulse
return total pulse
Sensor.getPulse()
Reset Pulse
set pulse value to 0
Sensor.resetPulse()
Get Flowrate (L/s)
return Flowrate (L/s)
Sensor.getFlowRate_s()
Get Flowrate (L/m)
return Flowrate (L/m)
Sensor.getFlowRate_m() 
Get Flowrate (L/h)
return Flowrate (L/h)
Sensor.getFlowRate_h() 
Get Total Volume (L)
return Volume (L)
Sensor.getVolume()
Reset Volume (L)
set volume value to 0
Sensor.resetVolume()
🛡️ License
This project is licensed under the MIT License - see the LICENSE file for details.
🙏 Support
We all need support and motivation. Please give this project a ⭐️ to encourage and show that you liked it. Don't forget to leave a star ⭐️ before you move away.
If you found the app helpful, consider supporting us with a coffee.
About
Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT
Topics
arduinoarduino-libraryesp32esp8266flow-sensorsensorwaterflow-sensor
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
59 stars
Watchers
3 watching
Forks
17 forks
Report repository
Releases
Sponsor this project
Used by
Contributors
Languages