✹✹【ST-Link V2 Emulator Downloader Programming】Supporting the full range of STM32 SWD debugging interface; Supporting the full range of STM8 SWIM download debugging (common development environments such as IAR, STVD etc. are supported);Supporting for automatic firmware upgrades ;It supports both 5V and 3.3V power outputs, and all I/O output ports are protected ✹✹V3.0 version began to use lead-free process, the pin header is gold-plated pin header, more environmentally friendly ✹✹Support MicroPython programming, provide available MicroPython firmware, see the link for configuration files, but do not provide technical answers! ✹✹32 I/O, including 14 analog inputs;USB-C interface software accessible ✹✹USB-C interface software accessible (OTG)