2Pcs 5V One Channel Relay Relay Switch with Optocoupler Isolation

Module description:

1.The module Operating voltage 5V;

2.Fault-tolerant design, even if the control line is broken, the relay will not operate;

3.The power indicator (green), the relay status indicator (red);

4.Module size: 50mm x 26mm x 18.5mm (L x W x H).

Interface:

Input

VCC: Relay power supply +

GND: Relay power supply -

IN: Signal trigger input (High or Low Level Signal, select via jumper)

Output

NO: Relay normally open.

COM: Relay Common Pin

NC: Relay normally closed.

High or Low Level Trigger Select:

1. Use High Level Trigger

When ' °IN ' ± input High Level Signal, the ' °NO ' ± connect with ' ±COM ' ± When ' °IN ' ± input Low Level Signal, the ' °NC ' ± connect with ' °COM ' ±

2. Use Low Level Trigger

When ' °IN ' ± input Low Level Signal, the ' °NO ' ± connect with ' ±COM ' ± When ' °IN ' ± input High Level Signal, the ' °NC ' ± connect with ' °COM ' ±

3. High or Low Level Trigger Select

Jumper connect with L, Low Level Trigger

Jumper connect with H, High Level Trigger

Color: As Shown

Material: plastic

Package Contents:

2 x relay module

Only the above package content, other products are not included.

Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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