12V 2 Channel Serial Port RS232 Relay Module | Modules | Relay

This is 12V 2 Channel Serial Port RS232 Relay Module from the category Modules | Relay.

Product specifications: 1.Power requirements: DC4.5V to 5V, with positive inside and negative outside; or DC9V to 12V, with the first pin connected to VDD and the second pin to GND.

2. The delay for each channel is independently controlled from 1 to 255 seconds.

3. Most serial instructions are single-byte instructions, making them simple to use.

Relay on board, 4 (2-way extended relay module can be accessed)

5. With absorption diode circuit

There is an LED indicator on each relay.

7. Includes a single-channel power indication

8. Enhanced stability using capacitor filter circuit

support for input voltages of 5V or 9–12V

1 12V 2 Channel Serial Port RS232 Relay Module is included in the package.

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