3V Relay Power Switch Board, Icstation 1 Channel Optocoupler Module Opto Isolation High Level Trigger for IOT ESP8266 Development Board (Pack of 5)
- 【Optocoupler Isolator】 3V/3.3V power relay module supports photocoupler isolation control..
- 【High Level Trigger】The relay module is triggered by high level signal, which can be input from microcontroller IO..
- 【Jumper Caps】You are free to select whether the relay and the signal share the same power supply or not by removing the jumper caps on the pins or not. It is recommended to share the same power supply, because that is more convenient for using..
- 【Rotate Screw Terminals】 The external connection adopts a rotary crimping terminal, which makes the crimping more firm, and has fixed mounting holes for easy installation..
- 【30VDC 250VAC Load】The power switch is compatible with 10A 250VAC and 10A 30VDC load..