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.

Specifications:

• 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

Packing List

1 x MAX3232 RS232 to TTL Serial Port Converter Module DB9 Connector MAX232