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Arduino-Communicator

Very simple Android application for communicating with Arduino Uno (with Atmega16U2 or Atmega8U2 programmed as a USB-to-serial converter).

No need for extra Host Shield or Bluetooth. All you need is a Micro USB OTG to USB Adapter.

Send data from your Arduino with Serial.println(), Serial.print() or Serial.write() in 9600 baud rate. Receive data with Serial.read().

Toggle between hex and ascii by clicking on received/sent data.

Let your own Android application receive data from Arduino by listening to the "primavera.arduino.intent.action.DATA_RECEIVED" intent. This intent will contain the "primavera.arduino.intent.extra.DATA" byte array with the received data. Call getByteArrayExtra("primavera.arduino.intent.extra.DATA") to retreive the data. Send data to Arduino from your application by broadcasting an intent with action "primavera.arduino.intent.action.SEND_DATA". Add the data to be sent as byte array extra "primavera.arduino.intent.extra.DATA".

Please note that this app will not work with Arduino boards with the FTDI USB-to-serial driver chip.

Source code at: https://github.com/jeppsson/Arduino-Communicator

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Very simple Android application for communicating with Arduino

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, '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" + '

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Arduino-Communicator
Very simple Android application for communicating with Arduino Uno (with Atmega16U2 or Atmega8U2 programmed as a USB-to-serial converter).
No need for extra Host Shield or Bluetooth. All you need is a Micro USB OTG to USB Adapter.
Send data from your Arduino with Serial.println(), Serial.print() or Serial.write() in 9600 baud rate. Receive data with Serial.read().
Toggle between hex and ascii by clicking on received/sent data.
Let your own Android application receive data from Arduino by listening to the "primavera.arduino.intent.action.DATA_RECEIVED" intent. This intent will contain the "primavera.arduino.intent.extra.DATA" byte array with the received data. Call getByteArrayExtra("primavera.arduino.intent.extra.DATA") to retreive the data.
Send data to Arduino from your application by broadcasting an intent with action "primavera.arduino.intent.action.SEND_DATA". Add the data to be sent as byte array extra "primavera.arduino.intent.extra.DATA".
Please note that this app will not work with Arduino boards with the FTDI USB-to-serial driver chip.
Source code at: https://github.com/jeppsson/Arduino-Communicator
About
Very simple Android application for communicating with Arduino
Resources
Readme
Activity
Stars
142 stars
Watchers
23 watching
Forks
58 forks
Report repository
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Used by
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, '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('^' + ".*" + '

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Arduino-Communicator
Very simple Android application for communicating with Arduino Uno (with Atmega16U2 or Atmega8U2 programmed as a USB-to-serial converter).
No need for extra Host Shield or Bluetooth. All you need is a Micro USB OTG to USB Adapter.
Send data from your Arduino with Serial.println(), Serial.print() or Serial.write() in 9600 baud rate. Receive data with Serial.read().
Toggle between hex and ascii by clicking on received/sent data.
Let your own Android application receive data from Arduino by listening to the "primavera.arduino.intent.action.DATA_RECEIVED" intent. This intent will contain the "primavera.arduino.intent.extra.DATA" byte array with the received data. Call getByteArrayExtra("primavera.arduino.intent.extra.DATA") to retreive the data.
Send data to Arduino from your application by broadcasting an intent with action "primavera.arduino.intent.action.SEND_DATA". Add the data to be sent as byte array extra "primavera.arduino.intent.extra.DATA".
Please note that this app will not work with Arduino boards with the FTDI USB-to-serial driver chip.
Source code at: https://github.com/jeppsson/Arduino-Communicator
About
Very simple Android application for communicating with Arduino
Resources
Readme
Activity
Stars
142 stars
Watchers
23 watching
Forks
58 forks
Report repository
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Used by
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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('^' + ".*" + '

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Arduino-Communicator
Very simple Android application for communicating with Arduino Uno (with Atmega16U2 or Atmega8U2 programmed as a USB-to-serial converter).
No need for extra Host Shield or Bluetooth. All you need is a Micro USB OTG to USB Adapter.
Send data from your Arduino with Serial.println(), Serial.print() or Serial.write() in 9600 baud rate. Receive data with Serial.read().
Toggle between hex and ascii by clicking on received/sent data.
Let your own Android application receive data from Arduino by listening to the "primavera.arduino.intent.action.DATA_RECEIVED" intent. This intent will contain the "primavera.arduino.intent.extra.DATA" byte array with the received data. Call getByteArrayExtra("primavera.arduino.intent.extra.DATA") to retreive the data.
Send data to Arduino from your application by broadcasting an intent with action "primavera.arduino.intent.action.SEND_DATA". Add the data to be sent as byte array extra "primavera.arduino.intent.extra.DATA".
Please note that this app will not work with Arduino boards with the FTDI USB-to-serial driver chip.
Source code at: https://github.com/jeppsson/Arduino-Communicator
About
Very simple Android application for communicating with Arduino
Resources
Readme
Activity
Stars
142 stars
Watchers
23 watching
Forks
58 forks
Report repository
Releases
Packages
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" + '

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Arduino-Communicator
Very simple Android application for communicating with Arduino Uno (with Atmega16U2 or Atmega8U2 programmed as a USB-to-serial converter).
No need for extra Host Shield or Bluetooth. All you need is a Micro USB OTG to USB Adapter.
Send data from your Arduino with Serial.println(), Serial.print() or Serial.write() in 9600 baud rate. Receive data with Serial.read().
Toggle between hex and ascii by clicking on received/sent data.
Let your own Android application receive data from Arduino by listening to the "primavera.arduino.intent.action.DATA_RECEIVED" intent. This intent will contain the "primavera.arduino.intent.extra.DATA" byte array with the received data. Call getByteArrayExtra("primavera.arduino.intent.extra.DATA") to retreive the data.
Send data to Arduino from your application by broadcasting an intent with action "primavera.arduino.intent.action.SEND_DATA". Add the data to be sent as byte array extra "primavera.arduino.intent.extra.DATA".
Please note that this app will not work with Arduino boards with the FTDI USB-to-serial driver chip.
Source code at: https://github.com/jeppsson/Arduino-Communicator
About
Very simple Android application for communicating with Arduino
Resources
Readme
Activity
Stars
142 stars
Watchers
23 watching
Forks
58 forks
Report repository
Releases
Packages
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
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Arduino-Communicator
Very simple Android application for communicating with Arduino Uno (with Atmega16U2 or Atmega8U2 programmed as a USB-to-serial converter).
No need for extra Host Shield or Bluetooth. All you need is a Micro USB OTG to USB Adapter.
Send data from your Arduino with Serial.println(), Serial.print() or Serial.write() in 9600 baud rate. Receive data with Serial.read().
Toggle between hex and ascii by clicking on received/sent data.
Let your own Android application receive data from Arduino by listening to the "primavera.arduino.intent.action.DATA_RECEIVED" intent. This intent will contain the "primavera.arduino.intent.extra.DATA" byte array with the received data. Call getByteArrayExtra("primavera.arduino.intent.extra.DATA") to retreive the data.
Send data to Arduino from your application by broadcasting an intent with action "primavera.arduino.intent.action.SEND_DATA". Add the data to be sent as byte array extra "primavera.arduino.intent.extra.DATA".
Please note that this app will not work with Arduino boards with the FTDI USB-to-serial driver chip.
Source code at: https://github.com/jeppsson/Arduino-Communicator
About
Very simple Android application for communicating with Arduino
Resources
Readme
Activity
Stars
142 stars
Watchers
23 watching
Forks
58 forks
Report repository
Releases
Packages
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
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Arduino-Communicator
Very simple Android application for communicating with Arduino Uno (with Atmega16U2 or Atmega8U2 programmed as a USB-to-serial converter).
No need for extra Host Shield or Bluetooth. All you need is a Micro USB OTG to USB Adapter.
Send data from your Arduino with Serial.println(), Serial.print() or Serial.write() in 9600 baud rate. Receive data with Serial.read().
Toggle between hex and ascii by clicking on received/sent data.
Let your own Android application receive data from Arduino by listening to the "primavera.arduino.intent.action.DATA_RECEIVED" intent. This intent will contain the "primavera.arduino.intent.extra.DATA" byte array with the received data. Call getByteArrayExtra("primavera.arduino.intent.extra.DATA") to retreive the data.
Send data to Arduino from your application by broadcasting an intent with action "primavera.arduino.intent.action.SEND_DATA". Add the data to be sent as byte array extra "primavera.arduino.intent.extra.DATA".
Please note that this app will not work with Arduino boards with the FTDI USB-to-serial driver chip.
Source code at: https://github.com/jeppsson/Arduino-Communicator
About
Very simple Android application for communicating with Arduino
Resources
Readme
Activity
Stars
142 stars
Watchers
23 watching
Forks
58 forks
Report repository
Releases
Packages
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); }
})();
})();

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Arduino-Communicator
Very simple Android application for communicating with Arduino Uno (with Atmega16U2 or Atmega8U2 programmed as a USB-to-serial converter).
No need for extra Host Shield or Bluetooth. All you need is a Micro USB OTG to USB Adapter.
Send data from your Arduino with Serial.println(), Serial.print() or Serial.write() in 9600 baud rate. Receive data with Serial.read().
Toggle between hex and ascii by clicking on received/sent data.
Let your own Android application receive data from Arduino by listening to the "primavera.arduino.intent.action.DATA_RECEIVED" intent. This intent will contain the "primavera.arduino.intent.extra.DATA" byte array with the received data. Call getByteArrayExtra("primavera.arduino.intent.extra.DATA") to retreive the data.
Send data to Arduino from your application by broadcasting an intent with action "primavera.arduino.intent.action.SEND_DATA". Add the data to be sent as byte array extra "primavera.arduino.intent.extra.DATA".
Please note that this app will not work with Arduino boards with the FTDI USB-to-serial driver chip.
Source code at: https://github.com/jeppsson/Arduino-Communicator
About
Very simple Android application for communicating with Arduino
Resources
Readme
Activity
Stars
142 stars
Watchers
23 watching
Forks
58 forks
Report repository
Releases
Packages
Used by
Contributors
Languages