AT89C2051Clockprocess

LCD显示，发送一串数字给单片机在LCD上显示出来(Send a string of numbers displayed on the LCD to the microcontroller, LCD display,)

移远4G通讯模块EC20AT指令手册可方便用户开发。(The EC20AT instruction manual for remote 4G communication module can be developed easily by users.)

说明：  STM32管教实现电压测量显示，开发板使用正点原子的(STM32 pin read display voltage)

51单片机运用PCF8591实现数模莫属转换（i2c协议） 1利用PCF8591 串行A/D 转换器转换电位器输入模拟电压，并在LED数码管上显示电压值（精确到2 位小数），实现数字电压表功能。 2在基本部分基础上，利用 PCF8591 的D/A 通道实现一个固定频率的方波（频率范围10~50Hz），并在虚拟示波器上输出。(51 MCU using PCF8591 to realize the digital to analog conversion (I2C) is 1 using PCF8591 serial A/D converter to convert the input analog voltage potentiometer, and in the digital tube LED display voltage values (accurate to 2 decimal places), the realization of digital voltage meter function. 2 in the basic part of basis, the realization of a fixed frequency Fang Bo using D/A channel PCF8591 (10~50Hz frequency range), and the output in a virtual oscilloscope.)

这是一个通用的51菜单程序，您在使用时只需稍作改动即可。(This is a generic 51 menu program, you can use with minimal changes.)

灭火小车 机器人 。。。。 (use miehuo car)

说明：  stm32f103c8t6驱动DS18B20温湿度传感器程序源码(stm32f103c8t6,DS18B20)

单片机数字音乐盒课程设计，内含源代码，报告说明详细，绝对可用（music.asm)(SCM digital music boxes curriculum design, containing the source code, the report describes in detail, absolutely available (music.asm))

SPI总线的学习――93C46的应用，希望大家能学到点东西(SPI bus to learn- 93C46 applications, hope that we can learn something)

60s倒计时报警，报警声为警笛声，可自行修改几秒时自动报警(60s countdown alarm, alarm sound is siren sound, self-modifying several seconds when automatic alarm)