Browse hardware designs
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Public designs
An experimental low power LoRa platform based on the ST STM32U083CCT6 + Heltec RA-62 (Semtech SX1262) + 128MBit Flash and the solar charge controller TI BQ25185
A custom-designed ATmega328P-based data logger PCB featuring dual I²C EEPROMs and a DS1337 real-time clock for reliable time-stamped data storage.
All the sources (Schematics, PCB, VHDL, BIOS sources) for the M8SBC-486. This project is a 486 Homebrew computer, with some efforts to make it kinda PC compatible
A distributed computing cluster based on CH32V RISC-V microcontrollers with Ethernet connectivity.
Environmental monitoring module with temperature, humidity, and air quality sensors over CAN bus
"ESP32-REACTJS-DEVKIT: compact, powerful, ideal for small robot, IoT and wareable."
This 4-pin module connects JST-GH connectors, often used in Pixhawk drones, to standard pin headers, making it easier to build custom electronics and use I2C or CAN bus communication.
PCB and KiCad-Files for a 8Port WLED ESP32_mini Board
BaseBoard design for QMTech Kintex 7 FPGA
A soldering reflow hot plate based on STM32
ThermalGuard HAT is a Raspberry Pi HAT for rack and enclosure monitoring, combining dual fan control, RPM tracking, temperature and humidity sensing, local data logging, and a web dashboard for live status and history.
A controller for miniature stepper motors
RP2040-based USB DMX dongle with integrated web server
Digital (RS485 - based) soil moisture and temperature sensor
Tiny LiPo Charger & I2C Battery Meter (w/ MAX17048)
Analog DC Motor Driver (BC547 + 5V Relay). Hardware project designed in KiCad for Inatel's E05 analog electronics class.
Game Boy -related custom hardware by gekkio
KiCad schematics and ngspice simulations originally published by Holger Vogt