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
An open source, USB Type C PD, single-cell BMS for Lithium-ion batteries
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 platform for the battery-free Internet of Things
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.