Arduino 1 Channel Relay Module
1. With isolation groove in control area and load area.
2. With power and relay action indication, bright when connect and go off when disconnects.
3. When there is a signal in signal input, public side and common side will breakover.
4. It can be not only used as a microcontroller development board module, but also as a home appliance control.
5. It can not only control the DC or AC signal, but the 220V AC load.
6. With a permanent open and close vents contact.
7. It is convenient to connect with blue KF301 terminal access control cable.
1. VCC: Power interface ,5V
2. GND: Ground
3. IN: Control interface .Drive Current at least 4mA
4. COM: Control circuit ground ,Connect to GND
5. Size: approx. 41 x 16 x 16mm/ 1.61 x 0.62 x 0.62''
6. Weight: approx. 12g