Its 4 channel Relay module Board. Compatible with arduino uno, nano, mega, node mcu etc.

Working voltage is 5V. ON relay board you can connect AC lines, DC lines easily. 

LED indication for relay on. 

If you need coding help you can contact me via - 9163503811 WhatsApp no.

4 Channel Relay Board

SKU: 4_Channel_Relay
₹190.00Price

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