Description: NEW RS232 serial port TTL module, chip: MAX3232, more stable. 3V / 5V compatible. Operating voltage: 3V-5V. Interface: TX RX VCC GND (TTL). D9 connector: Female. Specification: Size: Approx. 31x33x10mm/ 1.22x1.30x0.39 inch Applications: 1. It can be used to burn all kinds of single-chip: such as STM32, NXP, STC, Renesas and so on. 2. For radio modification, mobile phone brush machine, XBOX360 brush machine, GPS, car detection, DVD brush machine, hard disk repair, set-top box upgrade, ect. Package Includes: 1 Piece of Serial Port Converter Module Note: When using, VCC must be with external power source of 3.3V or 5V, LED of the power lights up, and the module will work. Without external power, LED doesn't light up, and the module will not work
