مبدل سریال TTL به RS232 - ماژول MAX3232

MCU mini RS232 MAX3232 level to TTL level conversion board, serial conversion board
       
Product information:
Chip: domestic MAX3232CSE
Voltage range: 3V ~ 5V
Highest baud rate: It is recommended not to exceed 120kbps
Size: 9.4mm * 15.9mm

Specifications

    Driver: MAX3232CSE (Equivalent to MAX232 but can also operate at lower voltage)
    Voltage Range: 3V to 5V
    Maximum baud rate: 115 Kbps
    Board Size: 9.4mm * 15.9mm

The driver IC used is MAX3232CSE that is pin to pin equivalent to MAX232 but can also operate at lower voltage at lower capacitor values.
The power pins +/- are given on both sides of board which are connected to each other on PCB, You can use any one side of it to power the board.
The arrow on PCB indicate the signal flow of serial data.