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R REIFENG 4pcs 2 Channel 5V Relay Module Board Shield with Optoc

$8

R REIFENG 4pcs 2 Channel 5V Relay Module Board Shield with Optoc

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Product description

Size:2 channel 5v

Module description:
1. the module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A;
2. using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA;
3. the module Operating voltage 12V;
4. the module can be high or low by a jumper setting trigger;("High", "Low" Level Controllable - With a jumper cap, you can choose a low level control or a high level control, allowing the relay module to adapt to more occasions.)
5. fault-tolerant design, even if the control line is broken, the relay will not operate;
6. the power indicator (green), the relay status indicator (red)
7. the interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient
8. module size: 50mm*26mm*18.5mm (L*W*H)

Module interface:
1. DC+: positive power supply (VCC)
2. DC-: negative power supply (GND)
3. IN: can be high or low level control relay

Relay outputs:
1. NO: normally open relay interface;the relay is suspended before the suction, and it is short-circuited with COM after the suction.
2. COM: Common Interface Relays
3. NC: normally closed relay interface;and the relay is shorted to COM before the suction is closed.

High and low level trigger options:
It is low level trigger when jumper connect to LOW pin
It is high level trigger when jumper connect to HIGH pin

R REIFENG 4pcs 2 Channel 5V Relay Module Board Shield with Optoc

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