Catalog > Internet of Things (IOT) Related Products > More Platforms TTL to RS232 Convertor TTL to RS232 Convertor AZL TTL TO RS232 CONVERTOR TTL TO RS232 CONVERTOR BOARD USING MAX3232 Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This module can be used to convert the RS232 voltage of PC to TTL voltage that used by microcontroller. Directly plug the DB9 connector your PC then you can communicate with the microcontrollers using the Serial port. It is applicable to a variety of platforms including Arduino / AVR / ARM. For Arduino, please also note that there is already a UART2USB connection, you just need this module if you want more serial connection to your computer. Features Chip : MAX3232 Voltage : 3.3V/5V Contents : RS232 to TTL Module x1 4 Pin DuPont Line x 1