The 4 Channel Active High/Low 5V Relay Module is designed for controlling multiple high-voltage or high-current devices using low-voltage control signals. Operating at 5V, this module allows microcontrollers to safely control AC or DC loads through electrically isolated relay channels.
Each channel supports both active high and active low triggering, providing flexibility when interfacing with different control boards. Built-in indicator LEDs provide clear visual feedback of relay status, making testing and troubleshooting easier.
This relay module is commonly used in home automation systems, industrial control applications, smart appliances, and DIY projects. It is suitable for controlling lights, motors, pumps, solenoids, and other electrical equipment requiring reliable switching.
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