89s51 MCU control of the keyboard and led system, the keyboard to send a few led...

自制AT89S51编程器教程 编程器制作包 1.1 修正了电路两处错误。 编程器制作包 1.2 增加了一个下载线调试程序-homemade AT89S51 programmer Programming Guide for the production of 1.1 amendments circuit two errors. For production programming packages increased by 1.2 download a line debugger

Atmega169 usart 驱动-Atmega169usart drive

自制电路板FeCl3腐蚀控制器以PIC16F884为控制单片机，内带EEPROM，通过DS18B20和热电阻测温进而控制加热，加热最终温度可设且掉电存储，另外还有控制反应溶液流动电机，此以10秒为周期，流动时间按键可调；无按键10秒后实时显示溶液温度。-Self-made circuit board FeCl3 to control the corrosion controller PIC16F884 microcontroller, which with EEPROM, and thermal resistance through the DS18B20 thereby control the heating temperature, heating the final temperature can be set up and power-down store, in addition to control the flow of electric reaction solution, this 10 seconds cycle, flow time adjustable keys no real-time display button 10 seconds after the solution temperature.

单片机外围电路，扩展的4×4键盘液晶显示程序-Single-chip peripheral circuits, expansion of the 4 × 4 keyboard LCD process

用于51单片机的下载软件。支持大部分的51单片机。-For 51 Singlechip download software. Support most of the 51 single-chip microcomputer.

该实验是在“点到点无线通信实验”的基础上进行开发，节点A 作为发射模块，节点B 作为射频休眠实验的对象，PC 通过串口下达休眠和唤醒的指令给节点B，来实现对射频部 件的唤醒和休眠功能。串口的设置为波特率115200b/s，8 位数据位，1 位停止位，无校验位。-The experiment in the " point to point wireless communications experiment" based on the development and launch of the module as a node A, node B as a test object dormant radio frequency, PC through the serial port sleep and wake-up instructions issued to the Node B, to achieve the right wake-up radio frequency components and the hibernation feature. Serial port baud rate is set to 115200b/s, 8 bits of data bits, 1 stop bit, no parity bit.

用于手持时钟受时，时钟芯片的工作稳定性，以D18B20温度传感器的采集，微调时钟芯片的内置电容，改变震荡频率-For hand-held by the clock, the clock chip of job stability to temperature sensor D18B20 collection, fine-tuning of the built-in clock chip capacitors to change the vibration frequency

高速电路的信号完整性问题，共同学习，有借鉴意义-Based on the Signal Integrality theory, the key problem met during signal processing module design and its solution is given

将键盘发回的数据放到一个缓冲区里（数组），当按键结束后发生内部中断来处理所按的按键-returned to the keyboard data in a buffer (the array), when the button after internal interruption to processing by the key

dsPIC的C语言编译器，是IAR的，编译效率很高的。-dsPIC the C language compiler, IAR is the high efficiency of the compiler.