USB口,带轨迹球的电脑遥控器,使用ATMEGA8单片机,-USB port, PC remote control with trackball, use ATMEGA8 MCU

USB HID watchdog. Firmware source for atmega8.

USBasp is a USB in-circuit programmer for Atmel AVR controllers. It simply consists of an ATMega48 or an ATMega8 and a couple of passive components. The programmer uses a firmware-only USB driver, no special USB controller is needed.