MAX3232 RS232 to TTL Serial Port Converter Module DB9 Connector MAX232


The RS232 MAX3232 to DB9 Converter module is used to communicate TTL level microcontrollers to a pc or industrial device via the standard RS232 level serial port.


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*Disclaimer: The images are merely illustrative.

The module uses a 4-way pin connector (GND / RXD / TXD / VCC) to interface with the microcontroller and another DB9 connector to connect to the RS232 device.

The MAX3232 allows communication speeds up to 250 kbit / s and has flexible power supply from 3.0 to 5.5V.


  • Integrated Circuit: MAX3232
  • Current Consumption (No Load): <1mA
  • Working voltage: 3V to 5.5V
  • Communication: Bidirectional
  • DB9 Connector: Male
  • Maximum data rate: 250 kbit / s
  • Datasheet ( MAX3232 )

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