Shop our wide range of Relay Modules designed to provide safe and efficient control of high-voltage appliances, lights, motors, and other electrical loads from your microcontroller or IoT system. These modules act as an interface between low-voltage logic and high-voltage devices, making them ideal for home automation, industrial control, and DIY electronics projects.
Our relay module lineup includes 1-channel, 2-channel, 4-channel, 8-channel, and solid-state relay (SSR) options, all compatible with Arduino, ESP32, Raspberry Pi, and other development platforms. With opto-isolation, indicator LEDs, and screw terminals for easy wiring, these modules ensure safe, reliable, and long-lasting switching performance.
Relay Modules
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Modules, Relay Modules
4 Channel 5V Relay Module with Optocoupler
- 4-channel 5V relay board with opto-isolation
- Relay rating: 10A 250VAC / 10A 30VDC
- Optocouplers for electrical isolation and protection
- Active-low trigger inputs (compatible with 3.3V/5V logic)
- Status indicator LEDs for each relay
- Screw terminals for relay outputs
- Works with Arduino, ESP32, Raspberry Pi, STM32, and more
- Ideal for home automation, robotics, and industrial control
SKU: 14100002