USB_2.0.pdf

PIC （PIC16F886） 做的简单频率计 用TMR0定时1s，将待测信号从T1CKI脚输入，用TMR1进行计数，读出TMR1H，TMR1L的值就是频率 单片机：PIC16F886 显示：LCD1602 编程语言：PIC C 附Proteus仿真。(PIC (PIC16F886) to do a simple frequency counter TMR0 timer with 1s, the test signal input pin from T1CKI with TMR1 count, read TMR1H, TMR1L value is the frequency of the microcontroller: PIC16F886 display: LCD1602 with Proteus simulation.)

MSP430F5529 MPU6050代码(MSP430F5529 MPU6050 code)

A Beginner’s Guide to Modeling with NEC vol 3

自己画的四轴飞行器，原理图，pcb。。。。。。。。。。。。。。。。。。。。。。。为了20个子，我真的不容易(Own painting Four aircraft, schematics, pcb)

基于C语言的电导增量法，可以改变步长，使系统快速精确找到最大功率，很好！(The incremental conductance method, based on the C language can change step length, the system quickly and accurately find the maximum power, very good!)

电力系统电度表通讯协议，主要针对DL645协议标准(Power system meter communication protocol, mainly for DL645 protocol standards)

proteus仿真，以LPC2138芯片为核心生成PWM波，控制升压斩波电路（PWM），实现稳定的高电压输出。包含AD转换、串口通信。(proteus simulation. This design use PWM wave generated by LPC2138 to control boost circuit and realized a steady high voltage output. ADC and serial port communication are involved in the design.)

SD卡2.0协议的详细资料，可用与SPI使用(The details of the SD card 2.0 protocol can be used with SPI)

实现声音导引小车运动，智能小车程序C51代码(Achieve sound AGV Sport, smart car program code C51)

射频技术 基于rc500的射频开发系统 频率稳定 不易失真(RF radio frequency technology development system based on rc500 frequency stability is not easy distortion)