1. Built-in USB to TTL Transfer chip.
2. Designed to be used for USB to TTL electronic projects.
3. TTL interface output, easy to connect to your MCU.
4. Dual 3.3V and 5V Power output, work with 3.3v and 5 V target device.
5. The mini-module is designed specifically for STC download and ARDUINO PRO supports all series of STC
6. Supports WIN7/VISTA/MAC/LINUX(32 bit /64-bit system)