- VCC : 3.3V-5V external voltage (which can be directly connected with 5v and 3.3v MCU MCU).
- GND : External GND.
- OUT : small plates switch output interfaces (0 and 1).
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1 Channel Relay Module (5V)
Voltage Sensor (0-25V DC) 



Sureshkumar T. (verified owner) –
Sureshkumar T. –
Anonymous (verified owner) –
Anonymous –