Single Channel Relay Module [Black]

Single Channel Black Relay Module – 1-Channel Optocoupler Isolated Relay for Arduino & Raspberry Pi

The Single Channel Relay Module [Black] is a compact and reliable relay board designed for microcontroller-based projects such as Arduino, Raspberry Pi, ESP8266, ESP32, and STM32.

It allows low-voltage DC signals to safely control AC or DC high-voltage loads. Featuring optocoupler isolation, this module provides improved protection and stability, ensuring safe separation between control circuits and load circuits.

With its black PCB design, this relay module is both stylish and robust, making it ideal for DIY projects, IoT devices, home automation, and industrial control applications.

Pin Configuration:

Connection Diagram:

Features :

1. 1 channel relay module.
2. One normally closed contact and one normally open contact.
3. High impedance controller pin.
4. Default High-level trigger.
5. Pull-down circuit for the avoidance of malfunction.
6. Power supply indicator lamp.
7. Can be controlled various appliances & other Equipment With Large current.
8. Standard TTL Level logic controlled.
9. The module is compliant with international safety standards.
10. With 4 fixed screw holes, hole diameter 3.1mm, convenient installation, and fixation.