SD-card

基于单片机STC89C51和74LS164的多功能数字万用表(Based on microcontroller STC89C51 and 74 ls164 multi-function digital multimeter)

scaling triangle using scaling transformation algorithm

光立方源程序代码，经本人使用，确定为可用程序，有详细注解(Light cube source program code, after I use, determine the available procedures, a detailed explanation)

基于51系列单片机的eeprom例程，其中包括c,hex及其相关文件，硬件电路图，相关芯片介绍。(Based on 51 series MCU eeprom routines, including c, hex and its associated files, hardware schematics, related chip introduced.)

本项目是基于Cortex-M3 的地沟油快速检测装置，旨在实现“地沟油”快速，现场检测。MCU控制可编程的直接数字频率合成器（DDS）产生正弦激励信号，经过可变增益放大器（VGA）和低通滤波器（LPF）作用于食用油阻抗传感器（实验室制作）信号经过仪器放大器送入微控制器（MCU）的模数转化（ADC）通道，MCU对采集的信号通过快速傅里叶变换（DFT）处理，实现食用油阻抗与相角的检测；USB和以太网接口，可与计算机通讯，以便对采集的数据进行存储和分析。(The project is based on the Cortex-M3 waste oil rapid detection device designed to achieve " waste oil" rapid, on-site testing. MCU control programmable direct digital frequency synthesizer (DDS) generates sinusoidal excitation signal through a variable gain amplifier (VGA) and a low-pass filter (LPF) acting on the oil-impedance sensor (lab produced) to send signals through the instrumentation amplifier into the microcontroller (MCU) modulo conversion (ADC) channels, MCU signal acquisition via Fast Fourier Transform (DFT) processing, oil resistance and phase angle detection USB and Ethernet interfaces, and computer communication, in order to collect data for storage and analysis.)

说明：  Ic卡 cpu 卡 发卡源程序 Ic卡 cpu 卡 发卡源程序(ic card cpucard ic card cpucard)

凌阳16位单片机C语言程序设计，入门教学，快速学习凌阳程序设计(Sunplus 16-bit microcontroller C programming language, tutorial, fast learning program design Sunplus )

STM8S系列单单片机教程，第三课，教你从零开始学会使用蜂鸣器，让蜂鸣器唱歌吧(STM8S series single chip tutorial, the third lesson, teach you from scratch to learn to use the buzzer beeper to sing)

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.)

说明：  红外编码发生器程序 自己编写 调试成功 大家可以看看(IR code generator program written to debug their success we can see)