use-PCF8591-to-check-the-voltage

说明：  通过定时器1控制八个LED实现不同样式的循环点亮，首先13，然后24，35，46，57，68之后是四个灯1357，2468，之后全部点亮再全部熄灭。(Through timer 1 control eight LEDs to achieve different styles of cycle lighting, first 13, then 24, 35, 46, 57, 68 followed by four lights 1357, 2468, and then all lit and then all off.)

NRF24LE1发射程序 本程序采用定时2秒发射ID一次，发射完毕进入低功耗模式(NRF24LE1 send )

使用STM32F4+usb3300实现虚拟示波器,支持使用外部ADC模式，也就是使用AD9280芯片，最大采样率可达30MSPS.(STM32F4+usb3300 implementation of the virtual oscilloscope, support the use of external ADC mode, that is, the use of AD9280 chip, the maximum sampling rate of up to 30MSPS )

温度传感器18B20稳定性很强的应用实例，兼容性很强，几乎各的种18B20的不同厂家。( Temperature sensor 18B20 stability is very strong application examples, compatibility is very strong, almost all kinds of 18B20 different manufacturers. )

基于51开发平台，采用指纹十本模块，实现指纹识别，存储，对比等程序。代码注释详尽，采用外部EEPROM存储。(51 based on the development platform, using the ten fingerprint module, fingerprint identification, storage, comparison program. The code detailed notes, using external EEPROM storage.)

基于STM32微处理器的软件模拟IIC 实现IIC总线通信(Software simulation I2C program using STM32)

LCD12864 T6963C 驱动源代码，只需少量修改便可用于项目中。(LCD12864 T6963C 驱动源代码，只需少量修改便可用于项目中)

基于msp430单片机的液晶12864的驱动程序简单。。(The driver of LCD 12864 based on MSp430 MCU is simple.)

以stc89c58为控制器，外围包括IIC，12864，蜂鸣器，AD模块(In stc89c58 for the controller, a peripheral including IIC, 12864, buzzer, AD module)

本程序可以支持SLE4442、SLE4428、FALSH、CPU卡(this program can support SLE4442, SLE4428 logic, FALSH, CPU card)