The $50 DIY Sonos Killer - Hackster.iohttps://www.hackster.io/news/the-50-diy-sonos-killer-0aa3fc50d2f1
Build your own multi-room audio system for under $50 with an ESP32, open source tech, and a custom 3D-printed case.
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esp32
This ESP32-Based PCIe Card Powers on a PC Remotely - Hackster.iohttps://www.hackster.io/news/this-esp32-based-pcie-card-powers-on-a-pc-remotely-b58c0b21bcd5
Andrea Aghemo came up with something better than Wake-on-LAN: an ESP32-based PCIe card that presses the PC’s power button on request.
You Can Build Your Own ESP32 Walkie-Talkies - Hackster.iohttps://www.hackster.io/news/you-can-build-your-own-esp32-walkie-talkies-99e571317536
Tech Talkies used a pair of ESP32 boards and ESP-NOW to build custom, 3D-printed walkie-talkies with a 200m range.
Build This Open-Source Graphics Calculator | Hackadayhttps://hackaday.com/2026/03/23/build-this-open-source-graphics-calculator/
Graphics calculators are one of those strange technological cul-de-sacs. They rely on outdated technology and should not be nearly as expensive as they are, but market effects somehow keep prices w…
Audio Reactive WLED LED Lamp (ESP32 + WS2812B + 3D Printing) : 16 Steps (with Pictures) - Instructableshttps://www.instructables.com/Audio-Reactive-WLED-LED-Lamp-ESP32-WS2812B-3D-Prin/
Audio Reactive WLED LED Lamp (ESP32 + WS2812B + 3D Printing): In this project we build an Audio Reactive LED lamp inspired by the WLED logo, using an ESP32 and a 5V WS2812B strip (96 LEDs). The lamp is fully 3D printed and designed for clean, hidden internal wiring. You can either use the custom PCB with an IN…
The Perfect Minimalist LED Clock - Hackster.iohttps://www.hackster.io/news/the-perfect-minimalist-led-clock-49a4e4440518
ESPTimeCast is a hackable, Wi-Fi-connected LED matrix clock and weather display powered by an ESP32 or ESP8266 microcontroller.