俄罗斯方块V2.0 游戏用四个方向键控制： 左右键分别左移一格，右移一格； 好啊
The Tetris V2.0 game is controlled by four direction keys: the left and right keys move left one, and the right shift is a lattice. (2018-03-22, Asm, 1977KB, 下载1次)
1602加0804,51单片机数字电压表
0804 51 monolithic integrated circuits, and was a table of digital
(2012-02-14, Asm, 1KB, 下载11次)
89c51步进电机的驱动设计.设计要求.
开机后，电机不转，按下启动键，电机旋转，速度为25 r/min，按下加1键速度增加，按下减1键，速度降低，最高速度为100 r/min,最低转速为25 r/min，按下停止键，电机停转。速度值要求在数码管上显示出来。
89c51 stepper motor drive design. Design requirements. Turned on, the motor does not turn, press the start button, the motor rotation speed 25 r/min, press the button to add a speed increase by a button press, the speed reduction The maximum speed is 100 r/min, the minimum speed of 25 r/min, press the stop button, the motor stopped. Velocity required in the digital tube display. (2011-05-22, Asm, 98KB, 下载11次)
----__-----
-|RST VCC|-电源
功能键设定定时器时间-|P3.0 P1.7|-24C02串行IIC数据线SDA
设定定时器加键-|P3.1 P1.6|-24C02串行IIC时钟线SDA
-|XTAL P1.5|-74LS164时钟线CLK
-|XTAL P1.4|-74LS164数据线AB
设定定时器减键-|P3.2 P1.3|-LED千位驱动
电机停止按钮_|P3.3 P1.2|-LED百位驱动
电机运行按钮-|P3.4 P1.1|-LED个位驱动
风扇控制口-|P3.5 P1.0|-LED十位驱动
电源地-|GND P3.7|-粉筛电机控制
---- __----- - | RST VCC |- Power function keys to set the timer time- | P3.0 P1.7 |-24C02 serial IIC data line SDA to set the timer plus key- | P3.1 P1.6 |-24C02 serial IIC clock line SDA - | XTAL P1.5 |-74LS164 clock line CLK - | XTAL P1.4 |-74LS164 data line AB set the timer by key- | P3.2 P1.3 |-LED 1000-driven motor stop button _ | P3.3 P1.2 |-LED 100 driven motor run button- | P3.4 P1.1 |-LED digit driven fan control port- | P3.5 P1.0 |-LED 10 driven power ground- | GND P3.7 |- Powder Sieve Motor Control (2010-01-30, Asm, 5KB, 下载4次)