pc232com51

avr单片机写的简易电压表的程序。测量精度达到12位(avr microcontroller to write a simple voltage meter program. 12-bit measurement accuracy)

说明：  飞思卡尔半导体32位单片机MPC5604B的CAN程序，接收程序(Freescale Semiconductor 32-bit microcontroller the MPC5604B of CAN program, the receiving program)

本设计主要实现用按键控制步进电机四相单拍、四相双拍和四相八拍三种方式切换， 正、反转及其加、减速，并能在LCD上显示其运行状态（速度和转向）。(The design of the main keys to achieve control of stepper motor with a single shot four-phase, four-phase two-and four-phase eight-shot shoot three ways to switch Positive, reverse its acceleration, deceleration, and in its operational status on the LCD display (speed and steering).)

扫描4X4键盘,并将键值在数码管和8个LED上显示,同时将键值通过串口或RS232端口或USB发送给PC机接收并解码来自标准键盘的基本按键的扫描码。(4X4 keypad scanning, and key in the digital tube and eight LED display, while the key through the serial port or RS232 port or a USB send the PC to receive and decode the scan code of the key from the standard keyboard.)

SABER是电源仿真的专业软件，此书为入门资源(SABER is a professional power supply simulation software, this book is Getting Started Resources)

Microchip公司原版写的hcs301滚动码芯片解码程序,注解十分详细，使用低端的pic16c54实现。(Microchip s original written hcs301 rolling code decoder chip, very detailed notes, the use of low-end pic16c54 implementation.)

三轴加速度传感器实验，在STM32F1开发板上实验成功(Three axis acceleration sensor experiment, on the STM32F1 development board experimental success )

自行车的里程表。基于51单片单片机最小系统开发的(The bike' s odometer. Developed based on 51 single-chip microcontroller minimum system)

一个简易秒表程序，可以帮助学习单片机定时器功能的朋友理解定时器用法，有按键控制运行暂停等(A simple stopwatch program that can help you learn microcontroller timer function usage timer understanding friend , there are buttons to control operation pause)

说明：  ADF4351锁相环的stm32程序，包括stm32f1和stm32f4程序，初始化晶振为25MHz，晶振可调(ADF4351 is a pll ,l provide the chengxu about the configution for adf4351)