DC 12V 4 Channel Relay Board, DB9 RS232 Remote Control UART Serial Port Switch for Car Motor 8.5 x 4.7 x 1.8cm auspowers_batchtwo 9" iPad pro 3rd gen

9" iPad pro 3rd gen

Turn on the bluetooth on first device

iPhone Apple

The higher the motor speed

This is a standard-size holder that is ideal for holding 12-ounce cans

DC 12V 4 Channel Relay Board, DB9 RS232 Remote Control UART Serial Port Switch for Car Motor 8.5 x 4.7 x 1.8cm auspowers_batchtwo 9" iPad pro 3rd genDC 12V 4 Channel Relay Board, DB9 RS232 Remote Control UART Serial Port Switch for Car Motor 8. 5 x 4. 7 x 1. 8cm Read more The baud rate is 9600, 8 data bits, one stop bit, and no parity bit. Each data frame contains 8 bytes. Control command format: Specifications: Model: CE039_12V Product series: RS232 Rated current: 10A Rated voltage: DC12V 3C rated voltage range: below 36V Relay load current: Max 10A Relay load voltage: DC 1 100v or AC85 265v