Modular, open-source test & measurement chassis
A full-featured LiFePO4 battery, power manager, and UPS for the Raspberry Pi
Full H-bridge driver for DC motors – 12 A peak current, two wire control, and PWM
A small, portable, elegant, open source OLED breadboard power supply
The tiniest USB Type-C LiPo charger
A stackable, DIN-rail mountable, solid-state power driver for Raspberry Pi and other SBC & MCU platforms
A quiet, open source, ESP32-based, Wi-Fi-enabled AC outlet relay with Home Assistant compatibility
Voltage glitching like it's 1999
A tiny device that turns your generic power bank into a non-stop power supply
A USB-based power supply that can accurately estimate the energy consumption of IoT devices
Ethernet FeatherWing with 4 W of PoE power and globally unique MAC
Arduino Pro Micro functionality and pinout with 5-20 V power delivery through USB-C
A convenient, open source tool that powers USB 2.0 devices from a lab power supply while allowing data transfer for easy testing and analysis
A Portable Project Platform for Every Raspberry Pi Zero
An intelligent solar power system for the internet of things
Affordable remote energy monitoring for your entire home
An open source, USB Type C PD, single-cell BMS for Lithium-ion batteries
A powerful, tiny power monitor shield for your Arduino Nano
A small, open, affordable USB-C power adapter tester
An open, affordable, and accurate energy monitor using ATM90E26.
The 3.3/5 V super-efficient regulator that snaps right on your 9 V battery.