按键控制led

我编写的基于spce061a的语音播报电子钟,利用sunplus开发板，可以设置时间和定闹 陈谭 2004 (I prepared based on the voice broadcast spce061a electronic bell, using sunplus development boards can set time and set downtown Chen Tan 2004)

本内部诊断故障码，详细规定了新能源汽车关于BMS，MCU等规章码(This internal diagnostic fault codes, detailed rules on the new energy vehicles about BMS, MCU and other rules and codes)

说明：  一个用于 AD采集的程序和电路,可以直接看到相应的作用(ADC0809)

MSP430F149 例程，看门狗 C源程序代码。(MSP430F149 routine, the watchdog C source code.)

单片机M8电子负载，包括原理图，源程序；可以参考学习一下(MCU M8 electronic load, including schematics, source code can refer to learn about)

C程序，红外遥控启停源码，可用于智能车，普通单片机遥控器即可(C programs, infrared remote start-stop source for intelligent vehicles, ordinary single-chip remote control to)

步进电机是将电脉冲信号转变为角位移或线位移的开环控制电机，是现代数字程序控制系统中的主要执行元件，应用极为广泛。。在非超载的情况下，电机的转速、停止的位置只取决于脉冲信号的频率和脉冲数，而不受负载变化的影响，当步进驱动器接收到一个脉冲信号，它就驱动步进电机按设定的方向转动一个固定的角度，称为“步距角”，它的旋转是以固定的角度一步一步运行的。可以通过控制脉冲个数来控制角位移量，从而达到准确定位的目的；同时可以通过控制脉冲频率来控制电机转动的速度和加速度，从而达到调速的目的。(Stepper motor is an open loop control motor which transforms electrical pulse signal into angular displacement or linear displacement. It is the main executive element in modern digital control system, and is widely applied. In the case of non overloaded, the motor speed and stop position depends only on the pulse frequency and pulse number, regardless of load changes, when the stepper driver receives a pulse signal, it drives stepper motor to set the direction of rotation of a fixed angle, called "step", it is the rotation of the fixed point of the operation step by step. We can control the angular displacement by controlling the number of pulses, so as to achieve the goal of accurate positioning. At the same time, we can control the speed and acceleration of motor rotation by controlling the pulse frequency, so as to achieve the purpose of speed regulation.)

基于RS485水位检测系统，运用芯片max485，具有一定的扩展性，程序可以借鉴和使用，具有工业通用性(RS485-based water level detection system, using chips max485, has some scalability, the program can learn and use, with industrial versatility)

说明：  基于KEIL平台开发的红外循迹，超声波避障智能小车程序(Infrared Track and Ultrasound Barrier Avoidance Intelligent Car Program Based on KEIL Platform)

新一代地磁模块，助力高精度移动罗盘。新产品LSM303DLHC采用3x5x1mm微型封装，最小功耗仅为110µ A，可满足便携式消费电子应用对尺寸和功耗的限制性要求，同时还具有出色的测量精度和性能。 在一个封装内同时集成高性能运动感应和地磁感应(Ultra compact high performance e-compass 3D accelerometer and 3D magnetometer module)