aloha

开锁程序,可以通过DA1990a打开门的锁，并不需要注册钥匙。(Unlock procedure, you can open the door lock DA1990a is no need to register the key.)

单片机基于SPI协议的isd1760模块驱动程序(isd1760 driver)

51单片机基础训练项目之通用红外遥控器，包含了PPT等课件，看了你就会了。(51 MCU-based training programs, universal infrared remote control)

说明：  组态王工程密码清理，6.51工程密码清除，忘记工程密码处理。(xxxxxnnnnbbbbbbbbbbbb)

说明：  本文件是msp430单片机驱动液晶lcd1602的头文件(This document is the header file of LCD 1602 driven by MSp430 MCU.)

说明：  利用GPIO控制无源蜂鸣器发声，播放音乐。使用SysTick延时，使用位带操作寻址IO口引脚。(GPIO is used to control the voice of passive buzzer and play music. Use SysTick delay, use bit band operation to address IO pins.)

ADC0809液晶显示 带有1602LCD液晶显示，89c52单片机控制 还有protues仿真电路图(ADC0809 with 1602LCD LCD liquid crystal display, 89c52 single-chip control circuit also protues Simulation)

NXP LPC11u24 cortex-M0 PWM 示例程序(NXP LPC11u24 cortex-M0 PWM sample programs)

buck电路，非常规的buck电路，参数可自由修改(buck circuit)

51单片机ADC0832+LCD1602 proteus 仿真源程序，包括proteus原文件，可以直接仿真。在keil+proteus 7.8上测试通过。(51 MCU ADC0832+ LCD1602 proteus simulation program, including proteus original documents can be directly simulated. In keil+ proteus 7.8 on the test.)