超声波测距,包括有pcb原理图，用c写的程序，还有详细的说明

实例01、GPIO实验－熟悉开发环境，以及程序下载和调试-Example 01, GPIO Experimental- familiar with the development environment, as well as download and debug

PIC单片机驱动ADC9850程序，采用并口方式，输出为正弦波-PIC MCU driver ADC9850 procedure for the parallel mode, the output of sine wave

系统能够产生正弦波、方波、三角波。同时还可以作为频率计测频率。函数信号的产生由MAX038和外围电路完成，能产生1Hz―20MHz的波形。-system can produce sine, square, triangle wave. Also as frequency measurement frequency. Signals generated by the MAX038 completed and the external circuit, which can produce 1Hz- 20MHz waveforms.

使用AT89C52单片机，用C语言学习遥控器的编程。-AT89C52 single-chip microcomputer use with C language programming a remote control.

单片机扫描状态机的程序实现，希望能帮助到有需要的朋友。-Single-chip state machine to scan the program, hoping to help a friend in need.

240X160触摸屏控制源程序,适用于液晶型号为8X10D-240x160 touch screen to control the source code, apply to LCD models 8X10D

1、ps/2键盘输入，通过led显示ascii码 2、稍等1s可以在lcd上显示输入的字符 3、其中键盘上的backspce键是用来清屏的 4、当lcd上显示满字符时，在按下按键自动清屏，从第一行显示。-1, ps/2 keyboard input, through the led display ascii code 2, wait 1s in the lcd display characters input 3, which backspce keys on the keyboard was required to settle the screen 4, when the lcd display full of characters, the press the button automatically Qing-ping, from the first line of display.

基于华邦W925E/C240所开发的短信话机、来电显示的C语言源程序-Based on Winbond W925E/C240 developed by phone message, caller ID of the C language source code

单片机源程序,用于需要4*4矩阵键盘场合,汇汇编程序KEIL开发环境.-Singlechip source for 4* 4 matrix keyboard occasions, the assembler KEIL development environment.

AT91SAM7Scpu PWM控制程序，希望对大家有帮助-AT91SAM7Scpu PWM control procedures, and they hope to help everyone