iap_sst89c58

STM32控制DDS输出正弦波等波形，频率幅值可调。(STM32 control DDS output sine wave waveform, adjustable frequency amplitude.)

msp430f5系列PMA中文资料（根据ti官网翻译）(Msp430f5 series PMA Chinese data (according to the Ti website translation))

本代码是基于检测遥控飞机手柄输出的PWM信号频率，转换为角度信息，再作为步进电机移动输入量，最终实现使用遥控飞机手柄摇杆精确控制步进电机转动角度的目的，包含PWM频率检测模块和步进电机驱动模块等。(This code is PWM frequency signal detection based on the output of the remote control aircraft converted to handle, angle information, and then as the stepper motor movement input, and ultimately use the remote control aircraft joystick handle precise control of stepper motor rotation angle, including PWM frequency detection module and stepper motor drive module.)

设计并制作一个功率可程控的高效率音频功率放大器及其参数的测量、显示装置。功率放大器的电源电压为+12V（电路其他部分的电源电压不限），负载为8Ω电阻。(Audio amplifier)

使用STM32的RTC，然后显示在液晶屏上。(Use the STM32 the RTC, and then displayed on the LCD screen on.)

大家好，这是关于密码锁的电路图，需要的话可以参考下( 允许输入拉丁字符的拼音 英语 中文(简体) 日语 Hello, everybody, this is a circuit diagram of the combination lock, if necessary, can refer to the following 允许输入拉丁字符的拼音 英语 中文(简体) 日语 Hello, everybody, this is a circuit diagram of the combination lock, if necessary, can refer to the following)

形状识别，上下扫描，基于stm32使用OV7670(Shape recognition,basic on stm32 using OV7670)

基于STM32F103的RC522 RFID 驱动程序，可正常读写卡(Based on STM32F103, the RC522 RFID driver can read and write cards normally.)

ccd测试程序，超级好用，想要的话随便你拿！(The ccd test program, super easy to use, whatever you take!)

ADF4351频谱仪设计程序，有扫频模式，基于STM32平台(ADF4351 spectrum analyzer design procedures)