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神经网络中的权值、阈值以及中间变量很多，但是单片机的程序区和数据区的容量都是有限的。89C52程序区为8K字节，数据区为256K字节。由于探测器受体积限制应尽量避免外扩存储器，所以在实现计算时，要将权值和阈值写成立即数形式减少资源占用。(Neural network weights, threshold and intermediate variables, but procedures for single-chip area and the volume of data are limited. 89C52 process area for 8K byte, 256K-byte data area. As the detector by the volume limit should be avoided as far as possible outside the extended memory, so in the realization of the calculation, the right to the threshold value and written in the form of an immediate reduction in the number of occupied resources.)

说明：  按键控制STM32单片机输出PWN波占空比和频率可调(Key control STM32 MCU output PWN wave duty cycle and frequency adjustable)

51单片机的一些例程，包括led、数码管、点阵、sd等等(51 examples)

DATASHEET AND OTHER TING TO LEARN AND READ

This is PCB and schematic of USB to Serial converter using PL2303HXD chip.

风力摆是一种通过风机作为唯一动力驱动的装置,深入研究该系统对空间飞行器、四旋翼无人机的运动状态和卫星姿态控制具有重大意义。(Wind pendulum is a device driven by wind turbine as the only power. It is of great significance to study the motion state of space vehicle, quad-rotor UAV and satellite attitude control.)

基于MSP430G2553 TI超低功耗单片机，5110液晶显示程序(Based MSP430G2553 TI ultra-low power microcontroller, 5110 LCD procedures)

这是一种基于STM32系统的红外光通信装置(This is an infrared optical communication device based on STM32.)

ICCAVR ATMEGA64 接收GPS 6963 160128/240128 显示时间、日期、农历 节气、节日、GPS解码出来的信息、 基本显示、可自行排版(ICCAVR ATMEGA64 GPS 6963 160128/240128 )

这是一个成功的VB上位机与18b20下位机的程序及电路图(This is a successful VB host computer 18b20 procedures and schematics of the lower machine)