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stm32F103c8t6 连接HC08蓝牙串口模块与手机（安卓系统）通过蓝牙连接，并实现手机无线控制stm32F103c8t6 的GPIO口控制指示灯动作，同时stm32F103c8t6 的GPIO口控制指示灯动作后将指示灯状态通过HC08蓝牙模块回传给手机APP，并在APP上显示出来。(Connect the HC08 stm32F103c8t6 Bluetooth serial module and mobile phone (Android) via Bluetooth, mobile phone and wireless control stm32F103c8t6 GPIO port control indicator action, while the stm32F103c8t6 GPIO port control indicator after the action will light status through the HC08 Bluetooth module back to the mobile phone APP, and displayed on the APP.)

基于火牛开发板ili9320TFT彩屏，ili9320屏上显示一个汉字，一个英文，一串汉字，一串英文，ili9320屏显示中英文混合显示。完美版。(AC adapter-based development board ili9320TFT color, ili9320 screen to display a character, an English, a string of characters, a bunch of English, ili9320 hybrid screen display shown in English. Perfect version.)

凌阳无线充电方案（QI）原理图，GPMQXXXA芯片方案。(Sunplus wireless charging program (QI) schematics, GPMQXXXA chip solutions.)

说明：  很详细的原厂HT1621规格书(Ht1621 specification)

说明：  stm32实现pwm波形输出，脉冲宽度调制(PWM),STM32 F1 TIM4 4通道PWM同时输出(STM32 realizes PWM waveform output, pulse width modulation (PWM), STM32 F1 TIM4 4 channel PWM output at the same time)

基于51控制的CAN 转RS232整理程序(Based on 51 control CAN turn RS232 sorting procedure)

Analysis of Map-Reduce data of two Hadoop cases, flow, application

电力测量芯片ATT7022b的应用笔记，值得参考(Power Measurement Chip ATT7022b application notes, reference should be)

CAN基础培训资料，培训机构是恒润科技，是国内汽车电子行业比较权威的企业。(CAN based training materials, training institutions are Hirain technology, is more authoritative automotive electronics industry enterprises.)

2.4寸彩屏实时显示当前温度，基于STC52单片机(2.4-inch color display the current temperature, microcontroller based STC52)