redsn0w_win_0.9.15b3(1)

基于单片机的数字密码锁设计，六位密码同时有密码修改和LCD显示功能。(Six password combination lock design based on single chip microcomputer, at the same time have a password to modify and LCD display.)

Test ifnonnull extends DxTestCase.

用于描述地下水动力模拟计算，和水体压力，该代码简单容易看明白(water calculator)

this is an assembly program that compares two strings.if they are identical, it display Y, else, it display N

51单片机,步进电机仿真，正转、反转、加速、减速控制(51 single-chip stepper motor simulation, forward, reverse, acceleration, deceleration control)

说明：  内含C文件及Proteus仿真文件 矩阵键盘输入密码，初始密码为12345678,每按一次键有短滴声,输入密码正确液晶屏显示正确信息并且电机转动，输入密码错误会发出警报，LED灯闪烁，复位取消警报，0--9号键为数字键,10号键为确认键，11号键清除键清除所输入密码或取消修改密码，12、13、14号键实现修改密码功能。(Containing C file and Proteus simulation file Matrix keyboard input password, the initial password is 12345678, every time a key is pressed, there is a short sound, the correct input password LCD screen displays the correct information and the motor rotates, the input password error will send an alarm, LED flashes, reset and cancel the alarm, 0-9 keys for the digital key, 10 keys for the confirmation key, 11 keys to clear the input secret. Code or cancel password modification, key 12, 13, 14 to achieve password modification function.)

Infi-90读写测试，在安装有COPOSER的计算机上可以运行，采集ABB DCS的控制逻辑块上的数据。(Infi- 90, speaking, reading and writing test, the installation of COPOSER can run on a computer, the data on the acquisition of ABB DCS control logic block.)

说明：  STM32 开发板例子:外部中断. 开发环境:Keil For ARM(STM32 development board example: external interrupt. Development Environment: Keil For ARM)

这是我做的一款3路LED的RGB控制器，输出接光耦控制可控硅，被控灯具为AC220V的，外接315M接受模块，用市场上一般的PT2262型遥控器无线调节输出的模式和变化速度(This is the RGB controller I do a 3 channel LED, output optocoupler control thyristor controlled lamp, AC220V, external 315M receiving module, general use on the market PT2262 remote wireless control output pattern and speed of change)

cardvd外部MCU与dvd解码板的通信协议(cardvd external mcu translate with the dvd mpeg)