DC 12V RS232 DB9 Serial Port Delay Relay ARM MCU UART Remote Control Switch
5,03 €
Feature: 1. With two serial ports, RS232 DB9 interface and TTL232 interface. Two Serial Ports: RS232 DB9 interface, TTL 232 interface. Item Type: RS232 Delay Relay Module. Working Current (DC 12V): Standby 16MA, 1 relay opens 47MA.
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