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引导新手更好的入门AVR单片机，对AVR单片机的外设进行了详细的介绍，并介绍了相关的接口函数。(Guide novice better entry AVR microcontroller.AVR microcontroller peripherals were introduced in detail, and introduced the related interface functions.)

DDS9850，亲测可用，有中文解释，信号发生器(DDS9850, pro-test is available, there are Chinese explanation, the signal generator)

说明：  华大HC32L136额温枪方案，包含模拟传感器使用方式，源代码，硬件原理图等一整套方案。(Huada hc32l136 frontal temperature gun program, including a whole set of programs such as analog sensor use mode, source code, hardware schematic diagram, etc.)

HCR无线传感器网络协议。为了实现减少能量消耗提出的(WSN Protocol)

STM32F407 开发EC20代码，EC20建立一路SOCKT发数据_TCP(字符和十六进制)(STM32F407 develops EC20 code, EC20 establishes SOCKT sending data _TCP (character and hexadecimal))

雨水检测本程序以智能家居系统中的水滴检测为课题，以水的导电性为依据，并根据主控器STC89C52 的程序指令处理后，用蜂鸣器和led报警显示。(The rain detection program takes the water drop detection in the intelligent home system as the subject, based on the electrical conductivity of the water, and after the program instruction of the main controller STC89C52, the buzzer and LED are used to alarm.)

51单片机控制12864液晶，适合初学者入门使用，简单方面，易于移植(51 12864 LCD, suitable for beginners to use, simple terms, easy to transplant)

The secret cipher that secures Mifare Classic RFID tags used in access control systems

stm32f407 TIM1四路PWM,可调，环境MDK4，8M晶振，测试可用(stm32f407 tim1 PWM four-channel, adjustable)

附件为多种ST32单片机视频教程，希望对大家有用。附件为多种ST32单片机视频教程，希望对大家有用。(Accessories for a variety of ST32 microcontroller video tutorial, we want to be useful. Accessories for a variety of ST32 microcontroller video tutorial, we want to be useful.)