SG90 mini servo

The KY-019 1 Channel Relay Module is designed for switching high-voltage or high-current loads safely using low-power digital control. It uses an optocoupler for electrical isolation, protecting microcontrollers from voltage spikes. Ideal for smart home, automation, and IoT projects, this module provides reliable switching performance for devices like lights, motors, and pumps. Features 1-channel relay with optocoupler isolation Triggered by low-level logic signals (5V) LED indicator for relay status Capable of switching AC and DC loads Compact and easy to integrate Applications Smart home automation Motor and light control IoT switching systems DIY electrical projects Signal isolation for control circuits

The 6 Channel Relay Module is designed for complex control systems that require multiple device management. Featuring six optically-isolated relays, it provides safe and efficient switching for AC or DC loads. Commonly used in home automation and robotics, it enables full control of lighting, motors, and actuators via Arduino or other logic controllers. Features Six relay channels with optocoupler protection Compatible with 5V logic control signals High-quality relays with long service life LED indicators for all channels Easy wiring with screw terminals Applications Multi-zone home automation Robotic and industrial systems Smart IoT device management Motor and actuator control Automation panels