ESP_8266 测试板原理图和PCB源文件

利用STC89C52和AT24C02实现记忆大于255小于65536的数据。(STC89C52 memory use and AT24C02 achieve greater than 255 and less than 65536 data.)

存储器（RAM 6264）扩展 可编程并行接口（8255）扩展 可编程计数/定时器（8253）扩展 A/D、D/A转换 可编程串行通信接口（8251）扩展 　　(Memory (RAM 6264) extended programmable parallel interface (8255) extended the programmable counter/timer (8253) Expansion A/D, D/A conversion programmable serial communication interface (8251) extended)

用于数字电话号码键盘的解码，采用goertzai的方式，希望对您有用(For digital phone number keyboard decoding, using the goertzai way and hope to be useful to you)

说明：  一种新型智能电表的研制 一种新型智能电表的研制(a new smart meters in the development of a new smart meter Development)

西门子828d数控系统PLC程序。支持四轴控制及圆盘式刀具自动交换装置(Siemens 828d CNC PLC program. Axis control and disc support automatic tool exchange device)

用430单片机编写的简单的示波器程序，型号2553.非常实用。(MCU with 430 prepared with a simple oscilloscope program, model 2553. very practical.)

基站环境动力监控源文件，是全部源文件，很有用的(The base station environment dynamic monitoring the source file)

315m 接收模块 英文datasheet(315m receiver datasheet)

计算机编程手册（CPM）提供程序员理解如何编程给定计算机所需的信息。 本手册主要关注计算机本身，而不是计算机上运行的特定软件。(The Computer Programming Manual (CPM) provides information needed by a programmer to understand how to program a given computer. This manual focuses on the computer itself, not on particular software that will run on the computer.)

基于STM32的12864驱动程序，可以实现字符、数字、图片、任意直线和任意点的显示，并且有程序详解，很任性(Based on the STM32 12864 driver, you can realize the characters, numbers, pictures, any line and any point of the display, and a program explain, very headstrong)