ARM7

24CXX的读写操作-qi read and write operation

应用背景 keil stm32 f4 mpu6050 测出 加速度 角加速度  转换滚转角等 用p8 p9 iic采集  uart1串口输出  stm串口转ttl模块连电脑  匿名上位机 处理数据 关键技术 keil上写的mpu6050 Iic数据采集 正点原子里的mpu是自己焊好的引脚配置时考虑了电路，用其他不同的F4时有余引脚原因会读不出数据，需更改其中应答。

PLC程序集成开发平台，可以编辑、编译PLC程序的梯形图文件和逻辑语言文件，逻辑语言指令与三菱PLC兼容

富士通单片机c语言编程手册，有助于富士通单片机的开发-Fujitsu MCU c language programming manual, will help the development of Fujitsu MCU

自动售货机控制系统设计 要求： 设计制作一个自动售货机控制系统。 该系统能完成货物信息存储，进程控制，硬币处理，余额计算，显示等功能。 该系统可以管理四种货物，每种的数量和单价在初始化时输入，在存储器中存储。用户可以用硬币进行购物，按键进行选择。 系统根据用户输入的货币，判断钱币是否够，钱币足够则根据顾客的要求自动售货，钱币不够则给出提示并退出。 系统自动的计算出应找钱币余额、库存数量并显示。 -Vending machine control system design requirements: Design a vending machine control system. The system can complete cargo information storage, process control, coin handling, balance calculation, display and other functions. The system can manage four kinds of goods, the quantity and unit price of each in the initialization input, stored in memory. Users can use coins shopping button to choose. The monetary system based on user input to determine whether enough money, coins, according to customer requirements is sufficient Vending, coins were not given prompt and exit. The system automatically calculate the balance should be looking for coins, inventory number and displayed.

这是基于STM32F10x的VS1003测试程序，测试录音功能，当VS1003的正弦测试完后，可以进行此项测试。工程为IAR，5.5及以上版本可用。

how to use si labs microcontroller SPI interface

keil c51实用技巧，包括对51单片机的详细解说与源码的实例-keil c51 practical skills, including 51 single-chip microcomputer with a detailed explanation of the source code examples

51下实现mouse PS2驱动功能和红外遥控功能-51 achieve mouse PS2-driven features and infrared remote control function

This code is interfacing 4x3 keypad and 16x2 lcd to at89c52 micro controller and can be used in others as well. The design is done using proteus simulator