AD,DA驱动程序，这是我们竞赛时写的程序，该AD DA程序已经在目标板上调试成功-AD, DA driver, this is our competition when a written procedure, the AD DA procedure has been successful in the target-board debugging

四驱DYI竞赛小车驱动源代码，用89c51单片机控制的 用tcrt5000红外反射式光电传感器寻迹-Four-wheel drive the DYI competition car driver source code control with 89c51 microcontroller with tcrt5000 infrared reflective photoelectric sensor tracking

飞思卡尔竞赛，摄像头组OV7620的驱动程序-Freescale contest OV7620 camera group of drivers