Description:

This module can be used to serial port of microcontroller module expand DVD, router, hard drive and other equipment to upgrade. 
The module is tested by STM32 development board 3.3V voltage 115200 baud rate before delivery. 
This version is based on MAX3232, RS232 connector is female type. 
Voltage: 3.3V/5V

Features:

• 1,2-VCC（3.3V or 5V)
• 3,4-data transmission (TX)
• 5,6-data reception (RX)
• 7,8---GND
• Note: The function is the same of P1 two 4 Pin ports
• Color: As the picture
• Size: approx. 4.5 x 3.5cm (L*W)