
4 Channel Relay Board For Arduino One normally closed contact and one normally open contact Triode drive, increasing relay coil High impedance controller pin Pull-down circuit for the avoidance of malfunction Power supply indicator and Control indicator lamp Power supply and relay instructions, lit, the disconnect is off; The input signal, signal, common Terminal and start conducting; Useful for appliance control; DC or AC signal, control, you can control the 220V AC load; There is a normally open and one normally closed contact; The module is compliant with international safety standards, control, and load areas isolation trenches.Tags: relay, 4 channel relay, relay board, relay in Pakistan, ,
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