Built-in MAX232CPE transfer chip, easy to change a new chip if it damaged. Three LED lights show the status: Power, RXD, TXD. Compact design. Designed for RS232 to TTL electronic projects. TTL interface output, easy to connect to your MCU. Firmware updates for Router, Cell Phone, XBOX360, GPS, Car Test, DVD, STC chip, NXP chip, NEC chip etc.... Input: 3.3V to 5V USB Power. Output: 5V. If your connect line is CH340 line, you should install CH340 driver. As usual, it does not need the driver.
3 x RS232 Serial to TTL Converter Module 3 x USB Power Cable 12 x 1pin 30cm Jumper Wire