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Tag is 4 relay module with opto isolation

Relay&Relay Module 4 relay module with opto isolation support AVR/51/PIC microcontroller

4-channel relay output module , relay output contact max 250A 10A. Input IN1, IN2, IN3, IN4 signal line active low. VCC, GND power input can be individually powered relay relay power input JD-VCC. Purpose: 1 , supports all MCU control . 2, the industrial field ; 3, PLC control ; ...Read More

4 relay module with opto isolation

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