5V KY-019 1-Way Relay Module

This compact electronic module is designed to control and switch high-voltage devices using a low-voltage trigger. It operates on a 5V power supply and features a single relay channel, making it ideal for projects requiring simple on/off control. The module is equipped with clearly labeled input and output pins for easy integration with microcontrollers like Arduino and Raspberry Pi. With its built-in isolation, it ensures safe operation by protecting your low-voltage circuits from high-voltage fluctuations. Perfect for automation projects, home appliances, and DIY electronics, this module adds efficient and reliable switching capabilities to a variety of applications. Rated current: 10A Manufacture country: China Instructions included: No