Generic(Unbranded)4-Channel Relay Control Board Module With Optocoupler, 4 Way Relay Module for Arduino


Price: ₹ 269.00 - ₹ 189.00
(as of Jun 25,2020 12:18:02 UTC – Details)



4-channel relay control board module with optocoupler, 4 way relay module for arduino 4-channel relay output modules, relay output contacts 250A 10A. Input IN1, IN2, IN3, IN4, the signal line LOW effective. VCC, GND power input, can relay a separate power supply relay power input of JD-VCC. Uses: support all MCU control. The industrial sector PLC control smart home control. Wiring: VCC: positive power supply system GND: System power supply negative IN1 – IN4: relay control ports

Weight: 58g
Pcb color: blue
board four weeks with four screw holes, hole diameter 3.1mm, easy to install and fixed



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