Browse hardware designs
BoardRepo is the GitHub for hardware. View any KiCad schematic, PCB, and BOM in your browser and download the sources, no install and no account needed.
Public designs
Open-source air quality and environmental monitoring node with STM32H743 + ESP32-C3, LoRaWAN, RS485, USB-C, Li-ion charging, and multi-sensor support.
Custom industrial-grade PLC and logic controller engineered around the ESP32 platform.
Universal Arduino based data logger to SDcard.
With active balancing circuit in the future (v2.0 ISA), the circuit will be able to charge multi-cell connected in parallel and balance between them while discharging.
RP605K is a compact ultra-low-power buck-boost converter module with a built-in battery monitor. Vin: 1.8-5.5V and Vout: 3.3V up to 300mA
Open Wheather Station based on STM32
Dual-cell Li-Ion Battery management system.
Hardware design files, schematics, and 3D models for KIISU SMOL — modular networking development board
This is a Meshtastic Solar Node PCB based on the Heltec HT-CT62 and the linear solar charge controller TI BQ25185.
Digital (RS485 - based) soil moisture and temperature sensor
RP2040-based USB DMX dongle with integrated web server
PMW3610 laser mouse sensor breakout board, support either 1.8V or 3.3V logic
Super thin split PCB keyboard using rp2040 chips running Rust
Pro Micro/Elite-Pi compatible RP2040 board with USB-C, 8MB flash and up to 25 GPIOs
Circular LED Panel
Semiconductor cosmic radiation detector Silicon diode interface.
Reed switch sensor module for monitoring cabinet and door states over CAN bus
MPTT solar charge controller for 18650 cells.