51单片机功能测试 功能说明：按K1键：LED2和蜂鸣器交替工作；按K6键：数码管轮流全显4.02345和HELLO

按K11键：是出口自发自首程序（要将DB9旁的JP7的下面两个短接），并可在数模管上显示

按K16键启动AD和DA，并将滑动变阻器可调端的电压值在数模管上显示（将TLC0832旁的短接块短接，并调节滑动变阻器改变可调端的电压值）

除上四个键外，按其他键将在不同的数码管上显示不同的数字

-51 microcontroller function test　 Function: Press K1 key: LED2 and buzzer alternate work　press K6 key: digital full turn significantly 4.02345 and HELLO　 press K11 key: export spontaneous surrender procedures (to DB9 Here JP7 next two shorting), and in the digital to analog display　 press K16 key to start the AD and DA, voltage and adjustable sliding rheostat end display (TLC0832 beside the canal on the modulus shorting shorting block and slide rheostat to change the voltage regulator adjustable side)　 In addition to the four keys, press the other button will display different numbers on different digital control* /