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stm32 串口实验   STM32 通过串口和上位机的对话，STM32 在收到上位机发过来的字符串后，原原本本的返回给上位机。

ada protected object example 这是一个ada中使用protected object来实现多线程通信的例子。

资料里有关于C51单片机的。学习知识。以及源程序。我初学希望能和大家交流，-There are data on the C51 microcontroller. Acquisition of knowledge. As well as the source. I hope you all beginners exchanges

linux移植过程分析，详细介绍了linux2.6的配置和裁减，很详细，每一项都有介绍，还有很多经验在里面，是不可多得的linux配置手册。-linux transplant process analysis, detailed information on the configuration and the reduction of linux2.6, very detailed and have each of the introduction, there are a lot of experience on the inside is rare linux manual configuration.

TMS320VC5509 EVM技术资料-EVM technical information TMS320VC5509

为C8051F005制作的网络模块--Network module for C8051F005.

基于arm3000的ads实验多任务与AD转换-Arm3000 the ads based on the experimental multi-task and AD conversion

下面是一个超声波测距的程序，硬件电路由于电脑格盘已丢失，下面的代码是从样机上复制的。 硬件电路包括液晶显示、超声波的发射、超声波的接受、滤波、单片机处理。 液晶显示采用LCD1602模块，下面的代码里有液晶的驱动，可以拷贝用于它处。 超声波发射电路包括压电换能器及其支持电路，发射约44KHz的超声波。 超声波的接收电路包含一块CD40106处理芯片。技术指标大约是测距范围在三米左右，测量精度约在厘米级别。大量用于倒车雷达的测距中。-The following is a range of ultrasound procedures, the hardware circuit as a result of the computer grid plate has been lost, the following code is copied from the prototype. Hardware circuit including liquid crystal display, ultrasonic transmitter, ultrasonic acceptance filtering, single-chip processing. LCD1602 LCD module used, the following code, there are LCD drivers, you can use it to copy. Firing circuit including the piezoelectric ultrasonic transducer and its support circuitry, fired about 44KHz ultrasound. Ultrasonic receiver circuit includes a processing chip CD40106. Technical indicators for a range of about 3 meters range around the measurement precision level of about cm. Reversing a large number for the location of the radar.

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