Taidacent SP3232 MAX3232 Isolation TTL to Uart RS232 Signal Converter RS232 Serial Port to TTL Converter
TTL and RS232 terminal: TXD to RXD RXD to TXD cross-matching connection TTL (UART) end: vcC: Connect to DC 3V-5.5V GND: Connect to DC GND TXD: Connect to RXD of MCU RXD: Connect TXD of MCU RS232 terminal: RXD: Connect to RS232 port TXD TXD: Connect to RS232 port RXD GND: Connect to RS232 port GND
Type optional
1: 5.0V SP323 chip SMD type 2: 5.0V SP323 chip ultra-thin 5: 3.3V SP323 chip SMD type 6: 3.3V SP323 chip plug-in type 7: 3.3V MAX3232 chip SMD type