Browse hardware designs
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Public designs
RS485 Spy is an open-source hardware tool for real-time monitoring, logging, and testing of RS-485 networks
GNSS reciever ready to RTK (Real time kinematics) technology
Battery Management System (BMS) with Buck-Boost Converter
A nRFMicro/Pro Micro compatible Bluetooth LE board, uses MDBT50Q nRF52840/nRF52833 module
byrandev, a nRF52840 dev board
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
XIAO base board PCB & configuration for ESPHome based sensors.
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