Description

This is a 4 channel relay module. It can be used to control the lighting, electrical and other equipments. The modular design makes it easy to expand with the Arduino board or other MCU board PIC, ARM and MSP430. The Relay output state by a light-emitting diode.

Specification

• Drive current: 20mA
• Control signal: 5V/12V/24V TTL level
• Maximum switching voltage: 250VAC 30VDC
• Dimension:50mm*70mm*15mm

Documents:

• Schematic

Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials.