bs808硬件式触摸按键的SCD应用 QQ:452049716-KEYTOUCH

主程序说明：程序首先進入初始化，設置 LED相應的管腳為輸出，按鍵輸入，上拉，設置 Timer0為脈沖寬測冲-Touch key：The BS804B and BS808B are equipped with a One-line serial interface to allow easy communication with an externalMCU for device setup and for touch pinmonit

BS808B用其串口实现触摸按键功能,通过电容调节灵敏度。-BS808B use it s serial interface to achieve touch function，athought capacitance to adjust sensitive.