A quiet, open source, ESP32-based, Wi-Fi-enabled AC outlet relay with Home Assistant compatibility
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
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
Voltage glitching like it's 1999
An affordable, high-performance current & magnetic field probe
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
Arduino Pro Micro functionality and pinout with 5-20 V power delivery through USB-C
Ethernet FeatherWing with 4 W of PoE power and globally unique MAC
Sur-Ron, Segway, and Honda Cub Electric Bike Upgrades
Full H-bridge driver for DC motors – 12 A peak current, two wire control, and PWM
Modular, open-source test & measurement chassis
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 and customizable Electric Vehicle (EV) charging station for commercial and residential use
A powerful, tiny power monitor shield for your Arduino Nano
A full-featured LiFePO4 battery, power manager, and UPS for the Raspberry Pi