DC 12V 1 Channel RS232 Delay Relay Module, RS232 Delay Relay Module 1 Channel Serial Port UART Multifunctional DC12V R223B01 auspowers_batchtwo it is recommended to use

it is recommended to use this marine antenna in the cabin or control room of boat pontoon sailboat or yacht

Meticulously Handmade

It is not only to use for DC motor controls of the speed

longer lasting and more durable

DC 12V 1 Channel RS232 Delay Relay Module, RS232 Delay Relay Module 1 Channel Serial Port UART Multifunctional DC12V R223B01 auspowers_batchtwo it is recommended to useDC 12V 1 Channel RS232 Delay Relay Module, RS232 Delay Relay Module 1 Channel Serial Port UART Multifunctional DC12V R223B01 Description Feature: 1. With two serial ports, RS232 DB9 interface and TTL232 interface 2. With AT instruction and 8 byte instruction, the two instructions are automatically recognized, no need to switch 3. 6 working modes, open, close, jog, self lock, interlock, delay (8 byte instruction without delay mode) 4. Maximum delay of