A tiny device that turns your generic power bank into a non-stop power supply
Ethernet FeatherWing with 4 W of PoE power and globally unique MAC
Safely connect your microcontroller to higher-voltage sourcing and sinking industrial sensors
A USB-based power supply that can accurately estimate the energy consumption of IoT devices
Arduino Pro Micro functionality and pinout with 5-20 V power delivery through USB-C
Sur-Ron, Segway, and Honda Cub Electric Bike Upgrades
Modular, open-source test & measurement chassis
An open and customizable Electric Vehicle (EV) charging station for commercial and residential use
A USB hub with per-port power and data disconnects + dev board + I2C, GPIO, and SPI bridges
An intelligent solar power system for the internet of things.
Affordable remote energy monitoring for your entire home
A powerful, tiny power monitor shield for your Arduino Nano
An ESP32-based board with wired Ethernet connectivity and power over Ethernet
A full-featured LiFePO4 battery, power manager, and UPS for the Raspberry Pi
A small, open, affordable USB-C power adapter tester
An open, affordable, and accurate energy monitor using ATM90E26.
A fully open source programmable power supply with professional, lab-quality features and performance
An open, programmable dongle for protecting USB devices from USB hosts and chargers.