AVR 4* 4 keyboard to communicate through USART

用61位单片机与C程序实现语音复读功能！-With 61 single-chip microcomputer with C program features voice repetition!

单片机开发版的原理图，比较详细了-MCU development version of the schematic diagram, in greater detail in

这个范例说明如何使用8051 的Port 1连接到四颗七段显示器，PORT 0的低4位分别控制这四颗共阳七段显示器，让四颗共阳七段显示器使用扫描的方式轮流-This example shows how to use the 8051 Port 1 connected to four seven-segment display, PORT 0, low 4, respectively to control the total of four seven-segment display yang, so that a total of four seven-segment display yang way of using the scan rotation

ARM采用的是LPC2210，液晶采用TFT的。源码为C。在SMATR2210上使用过。-ARM is based on LPC2210, the use of TFT LCD

51单片机的串口多机通讯设计，包括LCD显示以及可随意添加从机-51 serial single-chip multi-machine communication design, including LCD display and are free to add from the machine

从沈阳新华龙公司购买的C8051F02X单片机开发板上的有用例子。-From Shenyang Hualong company purchased a new single-chip C8051F02X useful example of the development board.

TD7774A型

两点间的温度控制,５１单片机初学着必须掌握的简单程序-Between two temperature control, 51 single-chip beginner to grasp the simple procedure

原创24C256读写程序，绝对好用-original 24C256 literacy procedures, absolutely handy

单片机程序设计（uV2)-microcontroller programming (uV2)