Technical parameters:
Chip: domestic MAX3232CSE
Voltage range: 3V~5V
Baud rate: recommended not higher than 120kbps
Size: 9.4mm * 15.9mm
The following is a diagram of the front and back of the module, the two sides of the power supply is connected together, only one side can be connected, the two sides of the separate two channels, both can be used, the arrows indicate the signal flow, inward that is the input, outward that is the output, near the RS232 character end of the RS232 level, near the TTL character end of the TTL level
Module size diagram, the pad pitch is standard 2.54mm
