DAOKI ST-Link V2 Shell Programming Unit mini STM8 STM32 Emulator Downloader M89 New Supports automatic firmware upgrade, the factory has been upgraded to the latest firmware V2.J17.S4 Increase 5V power output, the output I / O port protection are not afraid of operational errors caused by ST-LINK V2 damage! 0.54 interface uses simple horns seat pitch, equipped with DuPont line, can respond to different target line sequence, flexible wiring; Red and blue color LED indicator Motherboard with internal resettable fuse 500MA