ST7735

利用51单片机做电阻测量仪，实现按键设置阻值自动报警提示(The use of 51 single-chip resistance measuring instrument to achieve automatic alarm button to set the resistance)

TCL5615锯齿波及播放声音测试，模块化清晰(TCL5615 sawtooth and play a sound test, modular clear)

RS232转RS484的详细电路和程序设计(RS232 to RS484 circuit and the detailed program design)

cc2530读取ADXL345加速度计的数据的相关函数，包括读，写，配置等等。 使用P1_4~P1_7作为SPI,与ADXL345通信。 (cc2530 read ADXL345 accelerometer data related functions, including reading, writing, configuration, and so on. Use P1_4 ~ P1_7 as SPI, and communications ADXL345.)

用PWM技术对直流电机进行调速，并用LED进行指示(DC motor speed control using PWM technology, with LED indication)

说明：  C51系列，用C语言编写，驱动1601液晶显示器(C51 series, with the C language, driving liquid crystal display 1601)

stc51单片机上对04-多路ADC转换-BandGap-模拟串口发送例程(Stc51 microcontroller on the 04- multi-channel ADC conversion, -BandGap- analog serial port to send routines)

变压器绕组变形在线监控中考虑套管的影响，有FEM模型的建立和仿真实例(Detecting the early signs of mechanical failures of power transformer winding is necessary and is possible with online monitoring techniques. Online impulse frequency response analysis (IFRA) is a promising diagnostic method when a transformer is in service)

Arduino Library for Freematics OBD-II UART Adapter Distributed under BSD License

电池均衡 LTC3300的均衡程序 主动均衡(Battery Balance LTC3300 Balance Program Active Balance)