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Arduino Core for SAMD21 CPU

This repository contains the source code and configuration files of the Arduino Core for Atmel's SAMD21 processor (used on the Arduino/Genuino Zero, MKR1000 and MKRZero boards).

Installation on Arduino IDE

This core is available as a package in the Arduino IDE cores manager. Just open the "Boards Manager" and install the package called:

"Arduino SAMD Boards (32-bit ARM Cortex-M0+)"

Support

There is a dedicated section of the Arduino Forum for general discussion and project assistance:

http://forum.arduino.cc/index.php?board=98.0

Bugs or Issues

If you find a bug you can submit an issue here on github:

https://github.com/arduino/ArduinoCore-samd/issues

Before posting a new issue, please check if the same problem has been already reported by someone else to avoid duplicates.

Contributions

Contributions are always welcome. The preferred way to receive code cotribution is by submitting a Pull Request on github.

Hourly builds

This repository is under a Continuous Integration system that every hour checks if there are updates and builds a release for testing (the so called "Hourly builds").

The hourly builds are available through Boards Manager. If you want to install them:

  1. Open the Preferences of the Arduino IDE.
  2. Add this URL http://downloads.arduino.cc/Hourly/samd/package_samd-hourly-build_index.json in the Additional Boards Manager URLs field, and click OK.
  3. Open the Boards Manager (menu Tools->Board->Board Manager...)
  4. Install Arduino SAMD core - Hourly build
  5. Select one of the boards under SAMD Hourly build XX in Tools->Board menu
  6. Compile/Upload as usual

If you already installed an hourly build and you want to update it with the latest:

  1. Open the Boards Manager (menu Tools->Board->Board Manager...)
  2. Remove Arduino SAMD core - Hourly build
  3. Install again Arduino SAMD core - Hourly build, the Board Manager will download the latest build replacing the old one.

License and credits

This core has been developed by Arduino LLC in collaboration with Atmel.

 Copyright (c) 2015 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

About

Arduino Core for SAMD21 CPU

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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" + '

Skip to content
BranchesTags
Repository files navigation
Arduino Core for SAMD21 CPU
This repository contains the source code and configuration files of the Arduino Core
for Atmel's SAMD21 processor (used on the Arduino/Genuino Zero, MKR1000 and MKRZero boards).
Installation on Arduino IDE
This core is available as a package in the Arduino IDE cores manager.
Just open the "Boards Manager" and install the package called:
"Arduino SAMD Boards (32-bit ARM Cortex-M0+)"
Support
There is a dedicated section of the Arduino Forum for general discussion and project assistance:
http://forum.arduino.cc/index.php?board=98.0
Bugs or Issues
If you find a bug you can submit an issue here on github:
https://github.com/arduino/ArduinoCore-samd/issues
Before posting a new issue, please check if the same problem has been already reported by someone else
to avoid duplicates.
Contributions
Contributions are always welcome. The preferred way to receive code cotribution is by submitting a
Pull Request on github.
Hourly builds
This repository is under a Continuous Integration system that every hour checks if there are updates and
builds a release for testing (the so called "Hourly builds").
The hourly builds are available through Boards Manager. If you want to install them:
  1. Open the Preferences of the Arduino IDE.
  2. Add this URL http://downloads.arduino.cc/Hourly/samd/package_samd-hourly-build_index.json in the Additional Boards Manager URLs field, and click OK.
  3. Open the Boards Manager (menu Tools->Board->Board Manager...)
  4. Install Arduino SAMD core - Hourly build
  5. Select one of the boards under SAMD Hourly build XX in Tools->Board menu
  6. Compile/Upload as usual
If you already installed an hourly build and you want to update it with the latest:
  1. Open the Boards Manager (menu Tools->Board->Board Manager...)
  2. Remove Arduino SAMD core - Hourly build
  3. Install again Arduino SAMD core - Hourly build, the Board Manager will download the latest build replacing the old one.
License and credits
This core has been developed by Arduino LLC in collaboration with Atmel.
 Copyright (c) 2015 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

About
Arduino Core for SAMD21 CPU
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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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Arduino Core for SAMD21 CPU
This repository contains the source code and configuration files of the Arduino Core
for Atmel's SAMD21 processor (used on the Arduino/Genuino Zero, MKR1000 and MKRZero boards).
Installation on Arduino IDE
This core is available as a package in the Arduino IDE cores manager.
Just open the "Boards Manager" and install the package called:
"Arduino SAMD Boards (32-bit ARM Cortex-M0+)"
Support
There is a dedicated section of the Arduino Forum for general discussion and project assistance:
http://forum.arduino.cc/index.php?board=98.0
Bugs or Issues
If you find a bug you can submit an issue here on github:
https://github.com/arduino/ArduinoCore-samd/issues
Before posting a new issue, please check if the same problem has been already reported by someone else
to avoid duplicates.
Contributions
Contributions are always welcome. The preferred way to receive code cotribution is by submitting a
Pull Request on github.
Hourly builds
This repository is under a Continuous Integration system that every hour checks if there are updates and
builds a release for testing (the so called "Hourly builds").
The hourly builds are available through Boards Manager. If you want to install them:
  1. Open the Preferences of the Arduino IDE.
  2. Add this URL http://downloads.arduino.cc/Hourly/samd/package_samd-hourly-build_index.json in the Additional Boards Manager URLs field, and click OK.
  3. Open the Boards Manager (menu Tools->Board->Board Manager...)
  4. Install Arduino SAMD core - Hourly build
  5. Select one of the boards under SAMD Hourly build XX in Tools->Board menu
  6. Compile/Upload as usual
If you already installed an hourly build and you want to update it with the latest:
  1. Open the Boards Manager (menu Tools->Board->Board Manager...)
  2. Remove Arduino SAMD core - Hourly build
  3. Install again Arduino SAMD core - Hourly build, the Board Manager will download the latest build replacing the old one.
License and credits
This core has been developed by Arduino LLC in collaboration with Atmel.
 Copyright (c) 2015 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

About
Arduino Core for SAMD21 CPU
Resources
Readme
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0 stars
Watchers
0 watching
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0 forks
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, '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
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Arduino Core for SAMD21 CPU
This repository contains the source code and configuration files of the Arduino Core
for Atmel's SAMD21 processor (used on the Arduino/Genuino Zero, MKR1000 and MKRZero boards).
Installation on Arduino IDE
This core is available as a package in the Arduino IDE cores manager.
Just open the "Boards Manager" and install the package called:
"Arduino SAMD Boards (32-bit ARM Cortex-M0+)"
Support
There is a dedicated section of the Arduino Forum for general discussion and project assistance:
http://forum.arduino.cc/index.php?board=98.0
Bugs or Issues
If you find a bug you can submit an issue here on github:
https://github.com/arduino/ArduinoCore-samd/issues
Before posting a new issue, please check if the same problem has been already reported by someone else
to avoid duplicates.
Contributions
Contributions are always welcome. The preferred way to receive code cotribution is by submitting a
Pull Request on github.
Hourly builds
This repository is under a Continuous Integration system that every hour checks if there are updates and
builds a release for testing (the so called "Hourly builds").
The hourly builds are available through Boards Manager. If you want to install them:
  1. Open the Preferences of the Arduino IDE.
  2. Add this URL http://downloads.arduino.cc/Hourly/samd/package_samd-hourly-build_index.json in the Additional Boards Manager URLs field, and click OK.
  3. Open the Boards Manager (menu Tools->Board->Board Manager...)
  4. Install Arduino SAMD core - Hourly build
  5. Select one of the boards under SAMD Hourly build XX in Tools->Board menu
  6. Compile/Upload as usual
If you already installed an hourly build and you want to update it with the latest:
  1. Open the Boards Manager (menu Tools->Board->Board Manager...)
  2. Remove Arduino SAMD core - Hourly build
  3. Install again Arduino SAMD core - Hourly build, the Board Manager will download the latest build replacing the old one.
License and credits
This core has been developed by Arduino LLC in collaboration with Atmel.
 Copyright (c) 2015 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

About
Arduino Core for SAMD21 CPU
Resources
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, '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
Arduino Core for SAMD21 CPU
This repository contains the source code and configuration files of the Arduino Core
for Atmel's SAMD21 processor (used on the Arduino/Genuino Zero, MKR1000 and MKRZero boards).
Installation on Arduino IDE
This core is available as a package in the Arduino IDE cores manager.
Just open the "Boards Manager" and install the package called:
"Arduino SAMD Boards (32-bit ARM Cortex-M0+)"
Support
There is a dedicated section of the Arduino Forum for general discussion and project assistance:
http://forum.arduino.cc/index.php?board=98.0
Bugs or Issues
If you find a bug you can submit an issue here on github:
https://github.com/arduino/ArduinoCore-samd/issues
Before posting a new issue, please check if the same problem has been already reported by someone else
to avoid duplicates.
Contributions
Contributions are always welcome. The preferred way to receive code cotribution is by submitting a
Pull Request on github.
Hourly builds
This repository is under a Continuous Integration system that every hour checks if there are updates and
builds a release for testing (the so called "Hourly builds").
The hourly builds are available through Boards Manager. If you want to install them:
  1. Open the Preferences of the Arduino IDE.
  2. Add this URL http://downloads.arduino.cc/Hourly/samd/package_samd-hourly-build_index.json in the Additional Boards Manager URLs field, and click OK.
  3. Open the Boards Manager (menu Tools->Board->Board Manager...)
  4. Install Arduino SAMD core - Hourly build
  5. Select one of the boards under SAMD Hourly build XX in Tools->Board menu
  6. Compile/Upload as usual
If you already installed an hourly build and you want to update it with the latest:
  1. Open the Boards Manager (menu Tools->Board->Board Manager...)
  2. Remove Arduino SAMD core - Hourly build
  3. Install again Arduino SAMD core - Hourly build, the Board Manager will download the latest build replacing the old one.
License and credits
This core has been developed by Arduino LLC in collaboration with Atmel.
 Copyright (c) 2015 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

About
Arduino Core for SAMD21 CPU
Resources
Readme
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Watchers
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, '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
Arduino Core for SAMD21 CPU
This repository contains the source code and configuration files of the Arduino Core
for Atmel's SAMD21 processor (used on the Arduino/Genuino Zero, MKR1000 and MKRZero boards).
Installation on Arduino IDE
This core is available as a package in the Arduino IDE cores manager.
Just open the "Boards Manager" and install the package called:
"Arduino SAMD Boards (32-bit ARM Cortex-M0+)"
Support
There is a dedicated section of the Arduino Forum for general discussion and project assistance:
http://forum.arduino.cc/index.php?board=98.0
Bugs or Issues
If you find a bug you can submit an issue here on github:
https://github.com/arduino/ArduinoCore-samd/issues
Before posting a new issue, please check if the same problem has been already reported by someone else
to avoid duplicates.
Contributions
Contributions are always welcome. The preferred way to receive code cotribution is by submitting a
Pull Request on github.
Hourly builds
This repository is under a Continuous Integration system that every hour checks if there are updates and
builds a release for testing (the so called "Hourly builds").
The hourly builds are available through Boards Manager. If you want to install them:
  1. Open the Preferences of the Arduino IDE.
  2. Add this URL http://downloads.arduino.cc/Hourly/samd/package_samd-hourly-build_index.json in the Additional Boards Manager URLs field, and click OK.
  3. Open the Boards Manager (menu Tools->Board->Board Manager...)
  4. Install Arduino SAMD core - Hourly build
  5. Select one of the boards under SAMD Hourly build XX in Tools->Board menu
  6. Compile/Upload as usual
If you already installed an hourly build and you want to update it with the latest:
  1. Open the Boards Manager (menu Tools->Board->Board Manager...)
  2. Remove Arduino SAMD core - Hourly build
  3. Install again Arduino SAMD core - Hourly build, the Board Manager will download the latest build replacing the old one.
License and credits
This core has been developed by Arduino LLC in collaboration with Atmel.
 Copyright (c) 2015 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

About
Arduino Core for SAMD21 CPU
Resources
Readme
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Stars
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Watchers
0 watching
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0 forks
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, '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
Arduino Core for SAMD21 CPU
This repository contains the source code and configuration files of the Arduino Core
for Atmel's SAMD21 processor (used on the Arduino/Genuino Zero, MKR1000 and MKRZero boards).
Installation on Arduino IDE
This core is available as a package in the Arduino IDE cores manager.
Just open the "Boards Manager" and install the package called:
"Arduino SAMD Boards (32-bit ARM Cortex-M0+)"
Support
There is a dedicated section of the Arduino Forum for general discussion and project assistance:
http://forum.arduino.cc/index.php?board=98.0
Bugs or Issues
If you find a bug you can submit an issue here on github:
https://github.com/arduino/ArduinoCore-samd/issues
Before posting a new issue, please check if the same problem has been already reported by someone else
to avoid duplicates.
Contributions
Contributions are always welcome. The preferred way to receive code cotribution is by submitting a
Pull Request on github.
Hourly builds
This repository is under a Continuous Integration system that every hour checks if there are updates and
builds a release for testing (the so called "Hourly builds").
The hourly builds are available through Boards Manager. If you want to install them:
  1. Open the Preferences of the Arduino IDE.
  2. Add this URL http://downloads.arduino.cc/Hourly/samd/package_samd-hourly-build_index.json in the Additional Boards Manager URLs field, and click OK.
  3. Open the Boards Manager (menu Tools->Board->Board Manager...)
  4. Install Arduino SAMD core - Hourly build
  5. Select one of the boards under SAMD Hourly build XX in Tools->Board menu
  6. Compile/Upload as usual
If you already installed an hourly build and you want to update it with the latest:
  1. Open the Boards Manager (menu Tools->Board->Board Manager...)
  2. Remove Arduino SAMD core - Hourly build
  3. Install again Arduino SAMD core - Hourly build, the Board Manager will download the latest build replacing the old one.
License and credits
This core has been developed by Arduino LLC in collaboration with Atmel.
 Copyright (c) 2015 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

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, '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 Core for SAMD21 CPU
This repository contains the source code and configuration files of the Arduino Core
for Atmel's SAMD21 processor (used on the Arduino/Genuino Zero, MKR1000 and MKRZero boards).
Installation on Arduino IDE
This core is available as a package in the Arduino IDE cores manager.
Just open the "Boards Manager" and install the package called:
"Arduino SAMD Boards (32-bit ARM Cortex-M0+)"
Support
There is a dedicated section of the Arduino Forum for general discussion and project assistance:
http://forum.arduino.cc/index.php?board=98.0
Bugs or Issues
If you find a bug you can submit an issue here on github:
https://github.com/arduino/ArduinoCore-samd/issues
Before posting a new issue, please check if the same problem has been already reported by someone else
to avoid duplicates.
Contributions
Contributions are always welcome. The preferred way to receive code cotribution is by submitting a
Pull Request on github.
Hourly builds
This repository is under a Continuous Integration system that every hour checks if there are updates and
builds a release for testing (the so called "Hourly builds").
The hourly builds are available through Boards Manager. If you want to install them:
  1. Open the Preferences of the Arduino IDE.
  2. Add this URL http://downloads.arduino.cc/Hourly/samd/package_samd-hourly-build_index.json in the Additional Boards Manager URLs field, and click OK.
  3. Open the Boards Manager (menu Tools->Board->Board Manager...)
  4. Install Arduino SAMD core - Hourly build
  5. Select one of the boards under SAMD Hourly build XX in Tools->Board menu
  6. Compile/Upload as usual
If you already installed an hourly build and you want to update it with the latest:
  1. Open the Boards Manager (menu Tools->Board->Board Manager...)
  2. Remove Arduino SAMD core - Hourly build
  3. Install again Arduino SAMD core - Hourly build, the Board Manager will download the latest build replacing the old one.
License and credits
This core has been developed by Arduino LLC in collaboration with Atmel.
 Copyright (c) 2015 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

About
Arduino Core for SAMD21 CPU
Resources
Readme
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages