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FKM Timer

Main Pinout

#IO#ADC/STRAP/USBUSAGENotes
0IO4ADCSPI SCK
1IO5ADCSPI MISO
2IO6SPI MOSI
3IO7
4IO8STRAP
5IO9STRAP / IPUINTERNAL PULLUP (10kOhm)
6IO10SHIFTER DATA
7RXD/IO20JACK INPUT
8TXD/IO21SHIFTER CLK
9IO18USBUSB D-
10IO19USBUSB D+
11IO3ADCBUTTON INPUT
12IO2ADC / STRAPBATTERY INPUT
13IO1ADCSHIFTER LATCH
14IO0ADC

Notes:

  • STRAP: Strapping pin
  • IPU: Internal Pull-up (10kOhm).
  • USB: Pins used for USB communication.

Shifters Configuration

SHIFTER #USAGEBIT1BIT2BIT3BIT4BIT5BIT6BIT7BIT8
0BUTTONS MATRIXBTN1BTN2BTN3BTN4
1LCD 16x2SPI_CSBLRSED7D6D5D4
2DISPLAY DIGIT1TODOTODOTODOTODOTODOTODOTODOTODO
3DISPLAY DIGIT2TODOTODOTODOTODOTODOTODOTODOTODO
4DISPLAY DIGIT3TODOTODOTODOTODOTODOTODOTODOTODO
5DISPLAY DIGIT4TODOTODOTODOTODOTODOTODOTODOTODO
6DISPLAY DIGIT5TODOTODOTODOTODOTODOTODOTODOTODO
7DISPLAY DIGIT6TODOTODOTODOTODOTODOTODOTODOTODO

PCB

Pcb files are available as easyeda pro project. File FKM3.epro

3D design

You can view it and/or export it on onshape:

About

Firmware for FKMTime devices

docs.fkmtime.com/

Resources

Readme
Activity
Custom properties

Stars

5 stars

Watchers

2 watching

Forks

1 fork
Report repository

Releases

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} 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
FKM Timer
Main Pinout
#IO#ADC/STRAP/USBUSAGENotes
0IO4ADCSPI SCK
1IO5ADCSPI MISO
2IO6SPI MOSI
3IO7
4IO8STRAP
5IO9STRAP / IPUINTERNAL PULLUP (10kOhm)
6IO10SHIFTER DATA
7RXD/IO20JACK INPUT
8TXD/IO21SHIFTER CLK
9IO18USBUSB D-
10IO19USBUSB D+
11IO3ADCBUTTON INPUT
12IO2ADC / STRAPBATTERY INPUT
13IO1ADCSHIFTER LATCH
14IO0ADC
Notes:
  • STRAP: Strapping pin
  • IPU: Internal Pull-up (10kOhm).
  • USB: Pins used for USB communication.
Shifters Configuration
SHIFTER #USAGEBIT1BIT2BIT3BIT4BIT5BIT6BIT7BIT8
0BUTTONS MATRIXBTN1BTN2BTN3BTN4
1LCD 16x2SPI_CSBLRSED7D6D5D4
2DISPLAY DIGIT1TODOTODOTODOTODOTODOTODOTODOTODO
3DISPLAY DIGIT2TODOTODOTODOTODOTODOTODOTODOTODO
4DISPLAY DIGIT3TODOTODOTODOTODOTODOTODOTODOTODO
5DISPLAY DIGIT4TODOTODOTODOTODOTODOTODOTODOTODO
6DISPLAY DIGIT5TODOTODOTODOTODOTODOTODOTODOTODO
7DISPLAY DIGIT6TODOTODOTODOTODOTODOTODOTODOTODO
PCB
Pcb files are available as easyeda pro project.
File FKM3.epro
3D design
You can view it and/or export it on onshape:
About
Firmware for FKMTime devices
docs.fkmtime.com/
Resources
Readme
Activity
Custom properties
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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
FKM Timer
Main Pinout
#IO#ADC/STRAP/USBUSAGENotes
0IO4ADCSPI SCK
1IO5ADCSPI MISO
2IO6SPI MOSI
3IO7
4IO8STRAP
5IO9STRAP / IPUINTERNAL PULLUP (10kOhm)
6IO10SHIFTER DATA
7RXD/IO20JACK INPUT
8TXD/IO21SHIFTER CLK
9IO18USBUSB D-
10IO19USBUSB D+
11IO3ADCBUTTON INPUT
12IO2ADC / STRAPBATTERY INPUT
13IO1ADCSHIFTER LATCH
14IO0ADC
Notes:
  • STRAP: Strapping pin
  • IPU: Internal Pull-up (10kOhm).
  • USB: Pins used for USB communication.
Shifters Configuration
SHIFTER #USAGEBIT1BIT2BIT3BIT4BIT5BIT6BIT7BIT8
0BUTTONS MATRIXBTN1BTN2BTN3BTN4
1LCD 16x2SPI_CSBLRSED7D6D5D4
2DISPLAY DIGIT1TODOTODOTODOTODOTODOTODOTODOTODO
3DISPLAY DIGIT2TODOTODOTODOTODOTODOTODOTODOTODO
4DISPLAY DIGIT3TODOTODOTODOTODOTODOTODOTODOTODO
5DISPLAY DIGIT4TODOTODOTODOTODOTODOTODOTODOTODO
6DISPLAY DIGIT5TODOTODOTODOTODOTODOTODOTODOTODO
7DISPLAY DIGIT6TODOTODOTODOTODOTODOTODOTODOTODO
PCB
Pcb files are available as easyeda pro project.
File FKM3.epro
3D design
You can view it and/or export it on onshape:
About
Firmware for FKMTime devices
docs.fkmtime.com/
Resources
Readme
Activity
Custom properties
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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
FKM Timer
Main Pinout
#IO#ADC/STRAP/USBUSAGENotes
0IO4ADCSPI SCK
1IO5ADCSPI MISO
2IO6SPI MOSI
3IO7
4IO8STRAP
5IO9STRAP / IPUINTERNAL PULLUP (10kOhm)
6IO10SHIFTER DATA
7RXD/IO20JACK INPUT
8TXD/IO21SHIFTER CLK
9IO18USBUSB D-
10IO19USBUSB D+
11IO3ADCBUTTON INPUT
12IO2ADC / STRAPBATTERY INPUT
13IO1ADCSHIFTER LATCH
14IO0ADC
Notes:
  • STRAP: Strapping pin
  • IPU: Internal Pull-up (10kOhm).
  • USB: Pins used for USB communication.
Shifters Configuration
SHIFTER #USAGEBIT1BIT2BIT3BIT4BIT5BIT6BIT7BIT8
0BUTTONS MATRIXBTN1BTN2BTN3BTN4
1LCD 16x2SPI_CSBLRSED7D6D5D4
2DISPLAY DIGIT1TODOTODOTODOTODOTODOTODOTODOTODO
3DISPLAY DIGIT2TODOTODOTODOTODOTODOTODOTODOTODO
4DISPLAY DIGIT3TODOTODOTODOTODOTODOTODOTODOTODO
5DISPLAY DIGIT4TODOTODOTODOTODOTODOTODOTODOTODO
6DISPLAY DIGIT5TODOTODOTODOTODOTODOTODOTODOTODO
7DISPLAY DIGIT6TODOTODOTODOTODOTODOTODOTODOTODO
PCB
Pcb files are available as easyeda pro project.
File FKM3.epro
3D design
You can view it and/or export it on onshape:
About
Firmware for FKMTime devices
docs.fkmtime.com/
Resources
Readme
Activity
Custom properties
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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
FKM Timer
Main Pinout
#IO#ADC/STRAP/USBUSAGENotes
0IO4ADCSPI SCK
1IO5ADCSPI MISO
2IO6SPI MOSI
3IO7
4IO8STRAP
5IO9STRAP / IPUINTERNAL PULLUP (10kOhm)
6IO10SHIFTER DATA
7RXD/IO20JACK INPUT
8TXD/IO21SHIFTER CLK
9IO18USBUSB D-
10IO19USBUSB D+
11IO3ADCBUTTON INPUT
12IO2ADC / STRAPBATTERY INPUT
13IO1ADCSHIFTER LATCH
14IO0ADC
Notes:
  • STRAP: Strapping pin
  • IPU: Internal Pull-up (10kOhm).
  • USB: Pins used for USB communication.
Shifters Configuration
SHIFTER #USAGEBIT1BIT2BIT3BIT4BIT5BIT6BIT7BIT8
0BUTTONS MATRIXBTN1BTN2BTN3BTN4
1LCD 16x2SPI_CSBLRSED7D6D5D4
2DISPLAY DIGIT1TODOTODOTODOTODOTODOTODOTODOTODO
3DISPLAY DIGIT2TODOTODOTODOTODOTODOTODOTODOTODO
4DISPLAY DIGIT3TODOTODOTODOTODOTODOTODOTODOTODO
5DISPLAY DIGIT4TODOTODOTODOTODOTODOTODOTODOTODO
6DISPLAY DIGIT5TODOTODOTODOTODOTODOTODOTODOTODO
7DISPLAY DIGIT6TODOTODOTODOTODOTODOTODOTODOTODO
PCB
Pcb files are available as easyeda pro project.
File FKM3.epro
3D design
You can view it and/or export it on onshape:
About
Firmware for FKMTime devices
docs.fkmtime.com/
Resources
Readme
Activity
Custom properties
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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
FKM Timer
Main Pinout
#IO#ADC/STRAP/USBUSAGENotes
0IO4ADCSPI SCK
1IO5ADCSPI MISO
2IO6SPI MOSI
3IO7
4IO8STRAP
5IO9STRAP / IPUINTERNAL PULLUP (10kOhm)
6IO10SHIFTER DATA
7RXD/IO20JACK INPUT
8TXD/IO21SHIFTER CLK
9IO18USBUSB D-
10IO19USBUSB D+
11IO3ADCBUTTON INPUT
12IO2ADC / STRAPBATTERY INPUT
13IO1ADCSHIFTER LATCH
14IO0ADC
Notes:
  • STRAP: Strapping pin
  • IPU: Internal Pull-up (10kOhm).
  • USB: Pins used for USB communication.
Shifters Configuration
SHIFTER #USAGEBIT1BIT2BIT3BIT4BIT5BIT6BIT7BIT8
0BUTTONS MATRIXBTN1BTN2BTN3BTN4
1LCD 16x2SPI_CSBLRSED7D6D5D4
2DISPLAY DIGIT1TODOTODOTODOTODOTODOTODOTODOTODO
3DISPLAY DIGIT2TODOTODOTODOTODOTODOTODOTODOTODO
4DISPLAY DIGIT3TODOTODOTODOTODOTODOTODOTODOTODO
5DISPLAY DIGIT4TODOTODOTODOTODOTODOTODOTODOTODO
6DISPLAY DIGIT5TODOTODOTODOTODOTODOTODOTODOTODO
7DISPLAY DIGIT6TODOTODOTODOTODOTODOTODOTODOTODO
PCB
Pcb files are available as easyeda pro project.
File FKM3.epro
3D design
You can view it and/or export it on onshape:
About
Firmware for FKMTime devices
docs.fkmtime.com/
Resources
Readme
Activity
Custom properties
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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
FKM Timer
Main Pinout
#IO#ADC/STRAP/USBUSAGENotes
0IO4ADCSPI SCK
1IO5ADCSPI MISO
2IO6SPI MOSI
3IO7
4IO8STRAP
5IO9STRAP / IPUINTERNAL PULLUP (10kOhm)
6IO10SHIFTER DATA
7RXD/IO20JACK INPUT
8TXD/IO21SHIFTER CLK
9IO18USBUSB D-
10IO19USBUSB D+
11IO3ADCBUTTON INPUT
12IO2ADC / STRAPBATTERY INPUT
13IO1ADCSHIFTER LATCH
14IO0ADC
Notes:
  • STRAP: Strapping pin
  • IPU: Internal Pull-up (10kOhm).
  • USB: Pins used for USB communication.
Shifters Configuration
SHIFTER #USAGEBIT1BIT2BIT3BIT4BIT5BIT6BIT7BIT8
0BUTTONS MATRIXBTN1BTN2BTN3BTN4
1LCD 16x2SPI_CSBLRSED7D6D5D4
2DISPLAY DIGIT1TODOTODOTODOTODOTODOTODOTODOTODO
3DISPLAY DIGIT2TODOTODOTODOTODOTODOTODOTODOTODO
4DISPLAY DIGIT3TODOTODOTODOTODOTODOTODOTODOTODO
5DISPLAY DIGIT4TODOTODOTODOTODOTODOTODOTODOTODO
6DISPLAY DIGIT5TODOTODOTODOTODOTODOTODOTODOTODO
7DISPLAY DIGIT6TODOTODOTODOTODOTODOTODOTODOTODO
PCB
Pcb files are available as easyeda pro project.
File FKM3.epro
3D design
You can view it and/or export it on onshape:
About
Firmware for FKMTime devices
docs.fkmtime.com/
Resources
Readme
Activity
Custom properties
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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
FKM Timer
Main Pinout
#IO#ADC/STRAP/USBUSAGENotes
0IO4ADCSPI SCK
1IO5ADCSPI MISO
2IO6SPI MOSI
3IO7
4IO8STRAP
5IO9STRAP / IPUINTERNAL PULLUP (10kOhm)
6IO10SHIFTER DATA
7RXD/IO20JACK INPUT
8TXD/IO21SHIFTER CLK
9IO18USBUSB D-
10IO19USBUSB D+
11IO3ADCBUTTON INPUT
12IO2ADC / STRAPBATTERY INPUT
13IO1ADCSHIFTER LATCH
14IO0ADC
Notes:
  • STRAP: Strapping pin
  • IPU: Internal Pull-up (10kOhm).
  • USB: Pins used for USB communication.
Shifters Configuration
SHIFTER #USAGEBIT1BIT2BIT3BIT4BIT5BIT6BIT7BIT8
0BUTTONS MATRIXBTN1BTN2BTN3BTN4
1LCD 16x2SPI_CSBLRSED7D6D5D4
2DISPLAY DIGIT1TODOTODOTODOTODOTODOTODOTODOTODO
3DISPLAY DIGIT2TODOTODOTODOTODOTODOTODOTODOTODO
4DISPLAY DIGIT3TODOTODOTODOTODOTODOTODOTODOTODO
5DISPLAY DIGIT4TODOTODOTODOTODOTODOTODOTODOTODO
6DISPLAY DIGIT5TODOTODOTODOTODOTODOTODOTODOTODO
7DISPLAY DIGIT6TODOTODOTODOTODOTODOTODOTODOTODO
PCB
Pcb files are available as easyeda pro project.
File FKM3.epro
3D design
You can view it and/or export it on onshape:
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Firmware for FKMTime devices
docs.fkmtime.com/
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