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An operating system written in Java
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How to build a Novel JavaOS?

x-wangX. Wang

Reverse-engineering (mostly-)cheap eBay finds
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Avionics + mil-spec teardowns

don-straneyDon Straney

A LoRa-linked noise monitoring system that tells you not just how loud, but which direction the noise is coming from.
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AcuNode II - Distributed Directional Noise Monitor

omar-ahmedOmar Ahmed

ESP32-C6 USB stick for Home Assistant: Bluetooth Proxy + air quality sensor. Open source ESPHome firmware. Extends BLE to garden & basement.
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Air Quality Sensor Stick & Bluetooth Proxy

d-eD. E.

Powersupply for raspberry pi that includes an UPS, power button function and remembers its last state
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Raspberry Pi SuperCapacitor UPS with Power Switch

d-eD. E.

Back scratching is hard
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Ultimate back scratcher

lion-mclionheadlion mclionhead

Modern ecosystem for secure firmware updates in embedded systems
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(Not only) STM32 secure bootloader tools

niwciuniwciu

Can we rebuild it from scratch
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Applix 1616

forthnutterForthnutter

LoRa mesh weather station: Raspberry pi Pico W ingests UDP, sends via Meshtastic to Pi, stores in SQLite, syncs to AWS with retries
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Meshtastic Weather Station

brahm-schultzBrahm Schultz

After 7 years, the project is still very much alive!
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WEEDINATOR 2026 Agricultural Robot

goat-industriesGOAT INDUSTRIES

Projects which are using ESP32 microcontroller
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How to use ESP32 in your Projects?

x-wangX. Wang

A modular traffic light project. Custom PCBs, 48 addressable LEDs, and Arduino Nano. Moving from digital design to physical prototype.
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PCB Traffic Light

condruc-georgianaCondruc Georgiana

The smallest Projekt I built so far
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Smart Dice

leonLeon

BeanDeck is a portable, self-contained Z80 computer combining keyboard, graphic display, and removable cartridge storage
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BeanDeck

stephen-willcockStephen Willcock

BK7258 is connected to 2x2.16" 480x480 AMOLED, one L1+L5 frequency band GPS module, and one SIM7670G 4G module. And 4 sensors.
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Triple M33 low-power portable display

eleclabElecLab

IoT-powered custom smart vending solution with cashless payments, real-time monitoring, and automated retail features.
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Inside the Future of Retail: Custom Smart Vending

himanshu-dadaHimanshu Dada

Going up?

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