新华龙单片机AD转换，试验开发板AD转换的全部例程-Hualong new single-chip AD conversion, test development board AD conversion of all routine

新华龙C8051F007单片机，按键采集，按下按键，比较器置位，AD采集各个按键查询哪个按下，在执行相应操作-Xinhua dragon C8051F007 MCU, key acquisition, press the button, the comparator position, AD acquisition of each key press queries which, in the implementation of the corresponding operation。

新华龙C8051F005DA转换，双呼吸灯，单片机产生信号，经DA转换成模拟信号，点亮小灯，明暗间歇变化-New Hualong C8051F005DA conversion, dual breathing light, single-chip signal into an analog signal by the DA, lit a small lamp shade intermittent changes