1 channel relay module 5V relay drive module MCU control board

1 channel relay module 5V relay drive module MCU control board

Availability: In stock

$1.25

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Details

Details

1 channel relay module 5V relay drive module MCU control board Description 1, brand new 5V Relay Module 2, the microcontroller development board can be used as modules, it can be used as control unit 3.5 v - 12 v ttl control signal 4, the dc or ac control signals can control the 220V ac load. 5, there is a normally open contact and one normally closed contact 6, the power LED 7, controlled light, pull off, off off 8, the higher transistor drive a relay coil, the high impedance control pin. 9, the control pin has the pull - down circuit to prevent floating relay malfunction

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