Map-ReduceaHadoop-case

使用8脚单片机STC15F104E DS1307 DS18B20 以及LCD1602 红外接收头制作的迷你时钟，其中驱动1602只使用了两个IO口。遥控器芯片兼容HT6122，采用状态机方式完成解码。(Use 8-pin microcontroller STC15F104E DS1307 DS18B20 and LCD1602 produced mini infrared receiver clock, which drives 1602 using two IO ports. Remote control chip is compatible with HT6122, accomplished using the state machine decoder.)

键盘输入数据和保存数据的程序,适合4键盘的机器(Keyboard input of data and procedures for preservation of data, suitable for 4 keyboard machines)

calculator with AVR microcontrller

电子时钟程序，简洁明了，原创请勿抄袭 适用于stc15单片机(Electronic clock program)

说明：  通过uart2连接485设备，使用发送数据到modbus设备，采集传感器数据，解析数据后通过uart1发送到上位机，采集光照度和温湿度数据。(STM32F103 series chip is developed with two serial ports)

stc89c51+ds18b20+lcd12864,在液晶上显示温度曲线，并在同一界面实时数显温度值，用keil3以上版本(stc89c51+ds18b20+lcd12864,Displayed on the LCD temperature curve, and at the same interface and real-time display temperature, with above keil3 version)

STM32F103RCT6驱动3.5寸LCD，完整示例工程(Quotient & lt RTI ID 0.0 & gt )

程序说明: 此程序用UART1外扩MAX485实现RS-485通信(Procedure Description: This procedure using UART1 extend outside the MAX485 realize RS-485 communication)

单片机和matlab串口通信程序，简单易用(Microcontroller and matlab serial communication program, easy to use)

基于单片机的点阵屏，595 Z字移位，1/4扫描。(Microcontroller-based dot-matrix screen, 595 Z character displacement, 1/4 scan.)