Product details
This is a compact 1-channel relay module operating from 5 V DC logic, designed for integrating low-voltage controllers (Arduino, ESP8266/ESP32, PIC, etc.) with higher voltage AC or DC loads. The input side uses an optocoupler (optical isolation), which helps protect the microcontroller from noise and voltage spikes from the load side. The relay is capable of switching up to 10 A at mains voltage (e.g. 250 VAC) or 30 V DC, making it suitable for controlling small motors, lamps, pumps, fans or other appliances. It supports both normally-open and normally-closed contact types, and includes indicator LEDs and screw-terminal connectors for wiring. Triggering can be either high-level or low-level (depending on module variant). Mounting holes allow the board to be fixed in place. Ideal for DIY, automation, home-automation or industrial‐lite projects.
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