2 Channel 5V Dual Relay Module for Arduino High Level Trigger (Works with Official Arduino Boards)
5V Dual Relay module is a small current signal control equipment commonly used power electronic module. Can be achieved the microcontroller to control two high-power devices widely used in the MCU system to make smart home project. Module features are as follows: Dual Relay Funny and easy to use 4 M2 screws positioning holes for easy installation High drive (5V or 3.3V) normally open contact closure NPN transistor drive current Onboard power indicator (green) relay indicator (red)