Specification:
Item Type: Relay Module
Power Input: DC 5V / 7-12V (Recommended 7.5V 9V)
PC Serial Port RS232 Control Relay
Power Indicator: LED Light
Features:
1Relay output with LED indicator, easy to check the working status of the relay and whether it is running normally 2UART protocol communication, baud rate 9600kbps, with 8 data bits and one stop bit, no parity 3Each data frame contains eight bytes, which is safe, reliable and anti-interference 4Each relay has normally open and normally closed contact, can be selected by jumper relay and TTL or ground 5Relay modules are widely used in all MCU control, industrial sectors, PLC control, smart home control
Package List:
1 x Module
