单片机读写优盘的驱动程序，单片机可以通过U盘获取大量的数据。-Microcontroller to read and write USB driver, U disk MCU can access large amounts of data

USBasp is a USB in-circuit programmer for Atmel AVR controllers. It simply consists of an ATMega88 or an ATMega8 and a couple of passive components. The programmer uses a firmware-only USB driver, no special USB controller is needed.