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Scope On Microcontroller

This program makes an oscilloscope, function generator and a spectrum analyser of your ESP32!

Installation

  1. Install the latest release of this program on your computer.
  2. Program your ESP32 with the firmware found here. This can be done using the Arduino IDE.
    • You can modify the digital filter by modifying the method digitalFilter
    • You can modify the function generator by modifying the method generateWave
  3. Start the program, connect to your ESP32 and measure some signals!

Usage

Oscilloscope

The oscilloscope has two channels. Channel 1 is the signal that has been measured on the configured ANALOG_IN_PIN and channel 2 is the same signal, but passed through the method digitalFilter and thus is a filtered signal.

Function generator

The function generator generates a signal on the configured ANALOG_OUT_PIN. If you want to see this signal on the scope you must connect ANALOG_IN_PIN and ANALOG_OUT_PIN physically.

Spectrum analyser

The spectrum analyser analyses the amplification on the set spectrum. For this to work, the ANALOG_OUT_PIN and ANALOG_IN_PIN should be connected. On the ANALOG_OUT_PIN the set spectrum is generated and the amplification is measured on the ANALOG_IN_PIN.

Things to keep in mind

Please update and configure the COM-drivers as shown in the following image:

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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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Scope On Microcontroller
This program makes an oscilloscope, function generator and a spectrum analyser of your ESP32!
Installation
  1. Install the latest release of this program on your computer.
  2. Program your ESP32 with the firmware found here. This can be done using the Arduino IDE.

    • You can modify the digital filter by modifying the method digitalFilter
    • You can modify the function generator by modifying the method generateWave
  3. Start the program, connect to your ESP32 and measure some signals!
Usage
Oscilloscope
The oscilloscope has two channels. Channel 1 is the signal that has been measured on the configured ANALOG_IN_PIN and channel 2 is the same signal, but passed through the method digitalFilter and thus is a filtered signal.
Function generator
The function generator generates a signal on the configured ANALOG_OUT_PIN. If you want to see this signal on the scope you must connect ANALOG_IN_PIN and ANALOG_OUT_PIN physically.
Spectrum analyser
The spectrum analyser analyses the amplification on the set spectrum. For this to work, the ANALOG_OUT_PIN and ANALOG_IN_PIN should be connected. On the ANALOG_OUT_PIN the set spectrum is generated and the amplification is measured on the ANALOG_IN_PIN.

Things to keep in mind
Please update and configure the COM-drivers as shown in the following image:

About
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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
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Scope On Microcontroller
This program makes an oscilloscope, function generator and a spectrum analyser of your ESP32!
Installation
  1. Install the latest release of this program on your computer.
  2. Program your ESP32 with the firmware found here. This can be done using the Arduino IDE.

    • You can modify the digital filter by modifying the method digitalFilter
    • You can modify the function generator by modifying the method generateWave
  3. Start the program, connect to your ESP32 and measure some signals!
Usage
Oscilloscope
The oscilloscope has two channels. Channel 1 is the signal that has been measured on the configured ANALOG_IN_PIN and channel 2 is the same signal, but passed through the method digitalFilter and thus is a filtered signal.
Function generator
The function generator generates a signal on the configured ANALOG_OUT_PIN. If you want to see this signal on the scope you must connect ANALOG_IN_PIN and ANALOG_OUT_PIN physically.
Spectrum analyser
The spectrum analyser analyses the amplification on the set spectrum. For this to work, the ANALOG_OUT_PIN and ANALOG_IN_PIN should be connected. On the ANALOG_OUT_PIN the set spectrum is generated and the amplification is measured on the ANALOG_IN_PIN.

Things to keep in mind
Please update and configure the COM-drivers as shown in the following image:

About
No description, website, or topics provided.
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1 watching
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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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Scope On Microcontroller
This program makes an oscilloscope, function generator and a spectrum analyser of your ESP32!
Installation
  1. Install the latest release of this program on your computer.
  2. Program your ESP32 with the firmware found here. This can be done using the Arduino IDE.

    • You can modify the digital filter by modifying the method digitalFilter
    • You can modify the function generator by modifying the method generateWave
  3. Start the program, connect to your ESP32 and measure some signals!
Usage
Oscilloscope
The oscilloscope has two channels. Channel 1 is the signal that has been measured on the configured ANALOG_IN_PIN and channel 2 is the same signal, but passed through the method digitalFilter and thus is a filtered signal.
Function generator
The function generator generates a signal on the configured ANALOG_OUT_PIN. If you want to see this signal on the scope you must connect ANALOG_IN_PIN and ANALOG_OUT_PIN physically.
Spectrum analyser
The spectrum analyser analyses the amplification on the set spectrum. For this to work, the ANALOG_OUT_PIN and ANALOG_IN_PIN should be connected. On the ANALOG_OUT_PIN the set spectrum is generated and the amplification is measured on the ANALOG_IN_PIN.

Things to keep in mind
Please update and configure the COM-drivers as shown in the following image:

About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
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0 forks
Report repository
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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
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Scope On Microcontroller
This program makes an oscilloscope, function generator and a spectrum analyser of your ESP32!
Installation
  1. Install the latest release of this program on your computer.
  2. Program your ESP32 with the firmware found here. This can be done using the Arduino IDE.

    • You can modify the digital filter by modifying the method digitalFilter
    • You can modify the function generator by modifying the method generateWave
  3. Start the program, connect to your ESP32 and measure some signals!
Usage
Oscilloscope
The oscilloscope has two channels. Channel 1 is the signal that has been measured on the configured ANALOG_IN_PIN and channel 2 is the same signal, but passed through the method digitalFilter and thus is a filtered signal.
Function generator
The function generator generates a signal on the configured ANALOG_OUT_PIN. If you want to see this signal on the scope you must connect ANALOG_IN_PIN and ANALOG_OUT_PIN physically.
Spectrum analyser
The spectrum analyser analyses the amplification on the set spectrum. For this to work, the ANALOG_OUT_PIN and ANALOG_IN_PIN should be connected. On the ANALOG_OUT_PIN the set spectrum is generated and the amplification is measured on the ANALOG_IN_PIN.

Things to keep in mind
Please update and configure the COM-drivers as shown in the following image:

About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
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Used by
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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
Scope On Microcontroller
This program makes an oscilloscope, function generator and a spectrum analyser of your ESP32!
Installation
  1. Install the latest release of this program on your computer.
  2. Program your ESP32 with the firmware found here. This can be done using the Arduino IDE.

    • You can modify the digital filter by modifying the method digitalFilter
    • You can modify the function generator by modifying the method generateWave
  3. Start the program, connect to your ESP32 and measure some signals!
Usage
Oscilloscope
The oscilloscope has two channels. Channel 1 is the signal that has been measured on the configured ANALOG_IN_PIN and channel 2 is the same signal, but passed through the method digitalFilter and thus is a filtered signal.
Function generator
The function generator generates a signal on the configured ANALOG_OUT_PIN. If you want to see this signal on the scope you must connect ANALOG_IN_PIN and ANALOG_OUT_PIN physically.
Spectrum analyser
The spectrum analyser analyses the amplification on the set spectrum. For this to work, the ANALOG_OUT_PIN and ANALOG_IN_PIN should be connected. On the ANALOG_OUT_PIN the set spectrum is generated and the amplification is measured on the ANALOG_IN_PIN.

Things to keep in mind
Please update and configure the COM-drivers as shown in the following image:

About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 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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Scope On Microcontroller
This program makes an oscilloscope, function generator and a spectrum analyser of your ESP32!
Installation
  1. Install the latest release of this program on your computer.
  2. Program your ESP32 with the firmware found here. This can be done using the Arduino IDE.

    • You can modify the digital filter by modifying the method digitalFilter
    • You can modify the function generator by modifying the method generateWave
  3. Start the program, connect to your ESP32 and measure some signals!
Usage
Oscilloscope
The oscilloscope has two channels. Channel 1 is the signal that has been measured on the configured ANALOG_IN_PIN and channel 2 is the same signal, but passed through the method digitalFilter and thus is a filtered signal.
Function generator
The function generator generates a signal on the configured ANALOG_OUT_PIN. If you want to see this signal on the scope you must connect ANALOG_IN_PIN and ANALOG_OUT_PIN physically.
Spectrum analyser
The spectrum analyser analyses the amplification on the set spectrum. For this to work, the ANALOG_OUT_PIN and ANALOG_IN_PIN should be connected. On the ANALOG_OUT_PIN the set spectrum is generated and the amplification is measured on the ANALOG_IN_PIN.

Things to keep in mind
Please update and configure the COM-drivers as shown in the following image:

About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
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Watchers
1 watching
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0 forks
Report repository
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Used by
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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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Scope On Microcontroller
This program makes an oscilloscope, function generator and a spectrum analyser of your ESP32!
Installation
  1. Install the latest release of this program on your computer.
  2. Program your ESP32 with the firmware found here. This can be done using the Arduino IDE.

    • You can modify the digital filter by modifying the method digitalFilter
    • You can modify the function generator by modifying the method generateWave
  3. Start the program, connect to your ESP32 and measure some signals!
Usage
Oscilloscope
The oscilloscope has two channels. Channel 1 is the signal that has been measured on the configured ANALOG_IN_PIN and channel 2 is the same signal, but passed through the method digitalFilter and thus is a filtered signal.
Function generator
The function generator generates a signal on the configured ANALOG_OUT_PIN. If you want to see this signal on the scope you must connect ANALOG_IN_PIN and ANALOG_OUT_PIN physically.
Spectrum analyser
The spectrum analyser analyses the amplification on the set spectrum. For this to work, the ANALOG_OUT_PIN and ANALOG_IN_PIN should be connected. On the ANALOG_OUT_PIN the set spectrum is generated and the amplification is measured on the ANALOG_IN_PIN.

Things to keep in mind
Please update and configure the COM-drivers as shown in the following image:

About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Used by
Contributors
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