4-Channel Relay Control Board Module With Optocoupler
About this item
- Size: 75mm (length) x 55mm (w) x 19.3mm (height)
- Weight: 58g
- Pcb color: blue
- board four weeks with four screw holes, hole diameter 3.1mm, easy to install and fixed
SKU Code: ww76
Rs.199
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Product description
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
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