keyestudio RS232 to TTL Conversion Shield Compatible with Arduino

Description

The RS232 to TTL conversion shield is specially designed for UNO R3 control board, very convenient to change the serial port into RS232 interface.
The shield comes with a DB9 connector（male head）, easy to connect various RS232 interface equipment. It also comes with a RS232 pin header for connection and debugging.
It even comes with soldering area for DIY design, so you can make full use of this shield. On the shield there is a programming mode control switch; turn OFF for burning the program to UNO R3; turn ON for normal use.

1. Power supply: DC 5V
2. Comes with 16 digital IO pins（with an I2C pin）
3. Comes with 6 analog IO and power
4. Comes with a run/programming switch
5. Comes with transmitting, receiving indicator and D13 indicator
6. DB9 connector（male head）、RS232 pin headers
7. Soldering ares
8. Comes with a Reset button
9. Dimensions: 60*53.4MM
10. Environmental properties: ROHS