Description
This is a 4-channel opto-isolated relay module board with LED indicators, It can be controlled by microcontrollers such as Arduino, AVR, PIC, ARM any other microcontroller operating at 5V.
Features
- Opto-Isolated inputs – means your digital electronics is safe and noise free.
- This relay module is 5V active low.
- It is an 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc.
- It is also able to control various appliances and other equipment with large current.
- Relay output maximum contact is AC250V 10A and DC30V 10A.
- Standard interface can be directly connected with microcontrollers.
- Indication LED’s for Relay output status.
- Widely used for all MCU control, industrial sector, PLC control, smart home control.
Technical Specifications
- Working voltage: 5V
- Channel: 4 channel
- Item size: approx. 8 x 6 x 2cm
- Item weight: 60g
More Information:
- 4 Channel 5V Relay Module
- Guide for Relay Module with Arduino
- KY-019 5V RELAY MODULE
- PIR Motion Sensor Switch (Arduino)


















