--- title: Easy Theremin Uses ESP32 | daily.dev description: A minimal ESP32-based Theremin build that uses the microcontroller's built-in capacitive touch sensing to detect hand proximity on two antennas, controlling... canonical: https://daily.dev/posts/easy-theremin-uses-esp32-jdwlggd77 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Easy Theremin Uses ESP32 | daily.dev og:description: A minimal ESP32-based Theremin build that uses the microcontroller's built-in capacitive touch sensing to detect hand proximity on two antennas, controlling... og:url: https://daily.dev/posts/easy-theremin-uses-esp32-jdwlggd77 og:image: https://api.daily.dev/og/posts/jDWlggd77.png og:image:alt: Easy Theremin Uses ESP32 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Easy Theremin Uses ESP32 **[Hackaday](https://daily.dev/sources/hackaday)** · 1 min read · 0 upvotes · 0 comments ## Summary A minimal ESP32-based Theremin build that uses the microcontroller's built-in capacitive touch sensing to detect hand proximity on two antennas, controlling pitch and volume of a synthesized waveform output through the onboard DAC to external speakers. The project requires very little supporting circuitry beyond the ESP32 itself. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Someone turned their ESP32 into a touch-activated polyphonic synthesizer](https://daily.dev/posts/someone-turned-their-esp32-into-a-touch-activated-polyphonic-synthesizer-nuh1loyoe) · XDA Developers · 0 upvotes · 0 comments - [ESP32Synth : An Audio Synthesis Library For The ESP32](https://daily.dev/posts/esp32synth-an-audio-synthesis-library-for-the-esp32-nfftx4xvl) · Hackaday · 0 upvotes · 0 comments - [This open-source ESP32 touch synth just got a massive upgrade, and it's only €35 to make](https://daily.dev/posts/this-open-source-esp32-touch-synth-just-got-a-massive-upgrade-and-it-s-only-35-to-make-m3ksc2mtu) · XDA Developers · 0 upvotes · 0 comments - [This Handy Synth Packs An ESP32](https://daily.dev/posts/this-handy-synth-packs-an-esp32-febhcvar3) · Hackaday · 1 upvotes · 0 comments - [11 Interesting ESP32 Microcontroller Projects Beginners Can Try](https://daily.dev/posts/11-interesting-esp32-microcontroller-projects-beginners-can-try-ppanguwyh) · It's Foss · 1 upvotes · 0 comments --- Tags: [#iot](https://daily.dev/tags/iot), [#embedded](https://daily.dev/tags/embedded) [View this post on daily.dev](https://daily.dev/posts/easy-theremin-uses-esp32-jdwlggd77) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Easy Theremin Uses ESP32","url":"https://daily.dev/posts/easy-theremin-uses-esp32-jdwlggd77","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/easy-theremin-uses-esp32-jdwlggd77"},"datePublished":"2026-08-03T02:21:56.353Z","dateModified":"2026-08-03T02:22:11.546Z","description":"A minimal ESP32-based Theremin build that uses the microcontroller's built-in capacitive touch sensing to detect hand proximity on two antennas, controlling...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8027e6a56754f6fa76bbbd420dc4fa5e?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8027e6a56754f6fa76bbbd420dc4fa5e?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Hackaday","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hackaday","logo":"https://media.daily.dev/image/upload/s--JhDfhy70--/f_auto,q_auto/v1767541814/logos/hackaday","url":"https://daily.dev/sources/hackaday"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/easy-theremin-uses-esp32-jdwlggd77","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"iot,embedded","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hackaday","item":"https://daily.dev/sources/hackaday"},{"@type":"ListItem","position":3,"name":"Easy Theremin Uses ESP32"}]} ```