# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**2 device listed.**

## TP4056 Charge Controller Module

Li-Ion/LiPo battery charging module based on the TP4056 IC with built-in battery protection circuit. Mini USB 5V input, 1A charging current. Essential for portable and battery-powered IoT projects.

[Details](https://openhardware.directory/devices/tp4056-charge-controller) | [Markdown](https://openhardware.directory/devices/tp4056-charge-controller/md)

## DFRobot Solar Power Manager for 12V Lead-Acid Battery

DFRobot solar energy harvesting and battery management module with MPPT for 12V lead-acid batteries. Designed for outdoor IoT deployments, environmental monitoring stations, and off-grid solar-powered systems.

[Details](https://openhardware.directory/devices/dfrobot-solar-power-manager) | [Markdown](https://openhardware.directory/devices/dfrobot-solar-power-manager/md)