U-Boot-src.tar

说明：  采用单片机控制步进电机完成小车前进、后退等动作。(Single Chip Microcomputer Controls Car Forward and Backward Action.)

温度显示程序 c语言填写 温度计ds18b20(Temperature display program)

SPI通信---pic18系列单片机编程实现使用MAX7219控制4位7段数码管显示数字：0 1 2 3。(SPI communication--- pic18 series microcontroller programming using the MAX7219 control four 7-segment LED display digits: 0123.)

说明：  内含C文件及Proteus仿真文件 矩阵键盘输入密码，初始密码为12345678,每按一次键有短滴声,输入密码正确液晶屏显示正确信息并且电机转动，输入密码错误会发出警报，LED灯闪烁，复位取消警报，0--9号键为数字键,10号键为确认键，11号键清除键清除所输入密码或取消修改密码，12、13、14号键实现修改密码功能。(Containing C file and Proteus simulation file Matrix keyboard input password, the initial password is 12345678, every time a key is pressed, there is a short sound, the correct input password LCD screen displays the correct information and the motor rotates, the input password error will send an alarm, LED flashes, reset and cancel the alarm, 0-9 keys for the digital key, 10 keys for the confirmation key, 11 keys to clear the input secret. Code or cancel password modification, key 12, 13, 14 to achieve password modification function.)

说明：  BMS的软硬件设计方案，内含1. GUI软件安装文件；2. 原理图及PCB文件；3. 完整用户手册(Software and hardware design of BMS)

stc89c52测试DHT11并用1602显示(DHT11 stc89c52 test and 1602 showed)

基于STM32F103的智能充电器，PID调节恒压恒流输出，具有温度补偿，过欠压，过欠流保护功能，可直接用于开发。注释比较详细。(STM32F103-based smart charger, PID regulation constant voltage constant current output, with temperature compensation, over-voltage, over-current protection owed can be directly used for development. More detailed notes.)

基于st的m3单片机STM32f103 矢量控制 驱动交流异步电机的源程序(St m3 SCM STM32f103 vector control drive of the source of the AC induction motor)

说明：  ds2438电源检测芯片初始化，数据读取。(DS2438 power supply detection chip initialization, data reading.)

51单片机动态数码管显示开发程序，对单片机初学者有一定的参考指导作用，欢迎下载参考研究，谢谢！(51 single-chip dynamic digital display development program, microcontroller beginners have a certain role in guiding, are welcome to download the reference study, thank you!)