--- title: 6 smart home devices anyone can build with a cheap ESP32... description: A hands-on guide to building six DIY smart home sensors using cheap ESP32 microcontrollers and low-cost sensors (often under $1). Covers vibration,... canonical: https://daily.dev/posts/6-smart-home-devices-anyone-can-build-with-a-cheap-esp32-and-an-even-cheaper-sensor-alpetqwxv twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: 6 smart home devices anyone can build with a cheap ESP32 and an even cheaper sensor | daily.dev og:description: A hands-on guide to building six DIY smart home sensors using cheap ESP32 microcontrollers and low-cost sensors (often under $1). Covers vibration,... og:url: https://daily.dev/posts/6-smart-home-devices-anyone-can-build-with-a-cheap-esp32-and-an-even-cheaper-sensor-alpetqwxv og:image: https://api.daily.dev/og/posts/alPEtqWXv.png og:image:alt: 6 smart home devices anyone can build with a cheap ESP32 and an even cheaper sensor 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. # 6 smart home devices anyone can build with a cheap ESP32 and an even cheaper sensor **[XDA Developers](https://daily.dev/sources/xda-developers)** · 8 min read · 0 upvotes · 0 comments ## Summary A hands-on guide to building six DIY smart home sensors using cheap ESP32 microcontrollers and low-cost sensors (often under $1). Covers vibration, temperature/humidity, sound, motion, water level/leak, and soil moisture sensors. Each project includes example ESPHome YAML configuration code and practical use cases like washing machine notifications, desk occupancy detection, and plant watering alerts. All devices integrate with Home Assistant for automation triggers. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [6 ESP32 projects that make more sense than buying another smart home gadget](https://daily.dev/posts/6-esp32-projects-that-make-more-sense-than-buying-another-smart-home-gadget-wzbafhlat) · XDA Developers · 0 upvotes · 0 comments - [4 beginner-friendly ESP32 sensors you need first and foremost](https://daily.dev/posts/4-beginner-friendly-esp32-sensors-you-need-first-and-foremost-yveotwsor) · XDA Developers · 0 upvotes · 0 comments - [5 ESP32 projects a total beginner can finish in an afternoon](https://daily.dev/posts/5-esp32-projects-a-total-beginner-can-finish-in-an-afternoon-mo2inkqke) · XDA Developers · 1 upvotes · 0 comments --- Tags: [#tech-news](https://daily.dev/tags/tech-news), [#iot](https://daily.dev/tags/iot) [View this post on daily.dev](https://daily.dev/posts/6-smart-home-devices-anyone-can-build-with-a-cheap-esp32-and-an-even-cheaper-sensor-alpetqwxv) ```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":"6 smart home devices anyone can build with a cheap ESP32 and an even cheaper sensor","url":"https://daily.dev/posts/6-smart-home-devices-anyone-can-build-with-a-cheap-esp32-and-an-even-cheaper-sensor-alpetqwxv","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/6-smart-home-devices-anyone-can-build-with-a-cheap-esp32-and-an-even-cheaper-sensor-alpetqwxv"},"datePublished":"2026-07-08T13:34:17.020Z","dateModified":"2026-07-08T13:34:47.325Z","description":"A hands-on guide to building six DIY smart home sensors using cheap ESP32 microcontrollers and low-cost sensors (often under $1). 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