et-loader

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 0.1 kg
Dimensions 20 × 15 × 5 cm
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