For driver installation, please download the tutorial and driver through this link: githubcom/Keeyees/004 Please note: This product is not suitable for WIN10. Features: 1. Onboard ATMega8 chip. 2. Two indicator lights -Power supply and Programming 3. Onboard 500mA overcurrent protection self-recovery fuse 4. Support 5V and 3.3V power supply 5. Programming interface is reserved, the user can upgrade the downloader firmware by themself. 6. Support AT89S51 / 52 microcontroller 7. Support many AVR ASP chips 8. The output port is ATMEL standard port 9. AUTOSPEED automatic speed control firmware Compatible Chip Types: 51 Series AT89S51, AT89S52, AT89S53 AT89S8252, AT89S8253 AT89S2051, AT89S4051 AVR Series AT90can32, AT90can64, AT90can128 AT90pwm2, AT90pwm3 AT90s1200, AT90s2313, AT90s2323, AT90s2343, AT90s4414 AT90S8515, AT90S8535 AT90usb1286, AT90usb1287 Atmega103, Atmega128, Atmega1280, Atmega1281, Atmega16, Atmega161, Atmega162, Atmega163, Atmega164, Atmega165, Atmega168, Atmega169, Atmega2561, Atmega32, Atmega323, Atmega324, Atmega325, Atmega3250, Atmega3259, Atmega329, Atmega3290 Atmega64, Atmega640, Atmega644, Atmega645, Atmega6450, Atmega649, Atmega6490, Atmega8, Atmega8515, Atmega8535, Atmega88 Attiny11, Attiny12, Attiny13, Attiny15, Attiny22, Attiny2313, Attiny24, Attiny25, Attiny26, Attiny261, Attiny28, Attiny44, Attiny45, Attiny46, Attiny84, Attiny85, Attiny861 KeeYees: Best choice in various Electronic Modules & Components, DIY Parts and Tools to support your work and design challenges from Home, School to Industrial applications!