RS232 SP3232 TTL to RS232 Module RS232 to TTL Brush Line Serial Port Module 1 EXAR Chip (Single channel)
The main purpose:
1. MCU ARM and other MCU communicate with the computer through the serial port (COM port) of the computer
2. Radio modification mobile phone brushing XBOX360 brushing machine GPS car detection DVD brushing hard disk repair set-top box upgrade
3. Serial port expansion of the device
Instructions for use: (In the case of accessing the MCU how to connect the pins of each row)
VCC: Connect DC 3V-5.5V
GND: Connect to GND
TXD: Connect to MCU.RX (Signal Flow Direction: MCU.RX
RXD: Connect to MCU.TX (Signal Flow: MCU.TX >> SP3232 >> PC.RX)