Modular, open-source test & measurement chassis
A full-featured LiFePO4 battery, power manager, and UPS for the Raspberry Pi
A rechargeable breadboard power supply based on the RP2040
Precise and flexible management and monitoring for battery-powered devices
A bench power supply that fits in your pocket
A super compact, easy-to-read voltage indicator for diagnosing USB power
A bipolar, bi-directional, 500 A, 60 V power shunt and battery monitor for Home Assistant
Power management ICs for highly efficient voltage regulation and battery charging
A versatile, ESP32-powered, Wi-Fi & BLE-enabled USB-C PD analyzer & power supply
A quiet, open source, ESP32-based, Wi-Fi-enabled relay that adds Home Assistant compatibility to your AC outlets
An open-source platform for the battery-free Internet of Things
An open source, USB Type-C PD, single-cell BMS for Lithium-ion batteries
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 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
A portable project platform for every Raspberry Pi Zero
An intelligent solar power system for the internet of things
A powerful, tiny power monitor shield for your Arduino Nano
A small, open, affordable USB-C power adapter tester
The 3.3/5 V super-efficient regulator that snaps right on your 9 V battery.
An affordable, high-performance current & magnetic field probe
A fully open source programmable power supply with professional, lab-quality features and performance
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
Affordable remote energy monitoring for your entire home
An open and customizable Electric Vehicle (EV) charging station for commercial and residential use
An open, affordable, and accurate energy monitor using ATM90E26.