用反转法实现快速高效的4*4键盘扫描，并通过串口将按键值输出...

用AVR芯片，控制12864 LCD ，程序含有，ATMEGA8535驱动KS0108的12864，并含有温度测试程序-AVR chips used to control the 12864 LCD, containing procedures, ATMEGA8535 the KS0108 driver 12864 and contains the temperature test procedure

CS5532的驱动程序，基于AT89S52,调试通过-CS5532 driver, based on AT89S52, debugging through

8051-led light-..........................................

采用DDS 技术实现了基于DSP 的模拟调制实验模块。包括系统的硬件和软件设计,模拟调制原理,DSP实现模拟调制的方法,同时采用单象限正弦波形存储器结构对DDS 模块进行了改进,提高调制器的性能。-DDS technology using DSP-based implementation of the experimental module Analog modulation. Including system hardware and software design, analog modulation principle, DSP Analog modulation methods of implementation, while a single-quadrant sine wave-shaped structure of the DDS memory module has been improved to enhance the performance of modulator.

c8051f340双串口通信源码/ -dual serial communication c8051f340 source /

两线制电流 温湿度变送器原理图，MSP1221的PWM和XTR115-Two-wire current temperature and humidity transmitter schematic, MSP1221 the PWM and XTR115

MSP430串口程序，串口接收与发送均用中断处理。当MSP430串口中断接收到PC机的指令后通过中断发送将数据发送出去。-MSP430 serial program, serial port receive and send all use interrupt handling. When the MSP430 serial receive interrupt instruction PC, adopted after the break to send the data sent.

32位arm9微处理器S3C2410的rtc实时时钟测试源代码

6-leddisplay.rar

lcd1602与单片机连接实现显示程序，包含电路图-lcd1602 connection with the single-chip display program, including the circuit diagram