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说明：  坦克车体的源代码，对电子设计大赛有一定的帮助(Tank body source code, electronic design competition has certain help)

三菱可编程控制器FX1S，FX1N，FX2N，FX2NC系列编程手册(Mitsubishi PLC FX1S, FX1N, FX2N, FX2NC Series Programming Manual)

AD5933模块负阻抗测试程序，C语言Keil编译(AD5933 Impedance Test Program)

海思平台下SIL9136实现4KHDMI显示(hisilicon platform sil9136 HDMI driver ,it can show 4K display)

这是超声波倒车雷达礼包。很不错的，我自己做的(This is good for learner.)

说明：  基于51单片机对水温进行PID控制，维持水温，水温可设定。内附Verilog代码PCB和仿真程序。(Based on 51 single-chip computer, the water temperature is controlled by PID to maintain the water temperature, and the water temperature can be set.)

16X64LED点阵 单片机 移动 程序+仿真(16X64LED AT89C51 Proteus)

说明：  此文章介绍了如何自己制作9针串口，看完这篇文章之后你就可以自己制作9针串口了！(9-pin serial)

这是一款单相电子式无线防窃电电能表程序，可实现无线抄表功能。(This is a single-phase electronic energy meter wireless anti-theft program, enabling wireless meter reading function.)

第一章开关电源设计的一般考虑 在设计开关电源之前，应当仔细研究要设计的电源技术要求。现以一个通信电源模块的例子来说 明设计要考虑的问题。该模块的技术规范如下(The first chapter is generally considered switching power supply design before switching power supply design, should carefully study the technical requirements to design power. Now with a communication power module design examples to illustrate the problem to be considered. Technical specifications of the module are as follows)