
SoundLight
onolab-tmu/blinky
Hardware design files and software for a flexible and portable sound-to-light conversion device.
KiCad boards from 647 GitHub repositories tagged “esp32”, the most starred first; open any of them in PCBKit.

onolab-tmu/blinky
Hardware design files and software for a flexible and portable sound-to-light conversion device.


PerMalmberg/IO-Card-G3
This is my custom I/O card, third generation. Main purpose is to serve as an alarm system.

pietwauters/esp32_scoring_device_hardware
Hardware files for the scoring device

ProZSolutions/ESP32_Dev_Board
ESP32-WROOM-32U Development Board (KiCad)


rmingon/rs485-spy-injector
RS485 Spy is an open-source hardware tool for real-time monitoring, logging, and testing of RS-485 networks

ss1-ops/robotic-arm-5-digit-manipulator
BCN3D Moveo 6-DOF arm + custom Aero Hand gripper. ROS 2 Jazzy, ESP32-S3 micro-ROS, vision pick-and-place, full hardware/firmware/software stack.


wr/airwriter
Print to vintage Apple printers from modern devices over AirPrint, or from a vintage Mac over AppleTalk.

Ahmed-YSY/FleetGuard
IoT vehicle telematics for fleet & logistics — ESP32 + SIM7600G 4G/GPS tracker with fuel-theft detection, tamper/cargo security alarms, offline-resilient MQTT reporting, and OBD2 data over ESP-NOW.

Ans1S/esp32-c3-iot-sensor-board
Open-source ESP32-C3 platform for ultra-low-power environmental sensor networks powered by recycled LiPo cells. Includes KiCad PCB, PlatformIO firmware (ESP-NOW + ThingSpeak), BME280/BME680 support, deep-sleep…

automatous-io/t1n-smart-lock
Open source Matter over Thread smart lock for the 2005 Dodge Sprinter (T1N), reverse-engineered to observe and nudge the factory locking system.

blinken/vandal
An ESP32-based lighting control system for campervans (or anything else)

bootsie123/echo-button-thing
A PCB replacement for the Echo Button allowing support for Home Assistant through ESPHome

botanicfields/PCB-MBUS-AquesTalk-pico-LSI
MBUS Module of AquesTalk pico LSI for M5Stack

chl33/Plant133
Firmware, circuit design, and 3D-printable components for an automated plant-watering system.
fixthepixel/bench-psu-monitor
3-channel bench PSU monitor using ESP32 and INA3221 — voltage & current sensing over I²C with KiCad PCB files and Arduino firmware.

gcormier/espairqual
esphome board to interface with a few air quality (PM) sensors


kiisu-io/kiisu-smol
Hardware design files, schematics, and 3D models for KIISU SMOL — modular networking development board


