430_Am_Fre

时钟芯片DS1302的MSP430的驱动程序，模块化书写，很好调用！(DS1302 clock chip MSP430 drivers, modular writing, good call!)

此代码是基于NXP公司的串口扩展芯片SC16IS752的驱动程序。此芯片可以用IIC或者SPI接口进行控制，两种程序都有，并且是基于C51的代码。简单易懂，方便进行移植。(This code is based on NXP s serial port expansion chip SC16IS752 driver. This chip can be used IIC or SPI interface control, both programs have, and is based on the C51 code. Easy to understand, easy to transplant.)

这是一款单相电子式无线防窃电电能表程序，可实现无线抄表功能。(This is a single-phase electronic energy meter wireless anti-theft program, enabling wireless meter reading function.)

基于zigbee技术CC2530 开发控制步进电机(Development and Control of Stepping Motor Based on Zigbee Technology CC2530)

说明：  vib90振动传感器采集程序，vib90振动传感器采集程序(vib90 sensor programm)

基于8051单片机的USB软件狗的原理图及PCB(Based on 8051 USB dongle schematic and PCB)

说明：  stm8s系列接受烟雾传感器的数据，并将其发送到OLED显示器进行显示用(Stm8s series receives the data of smoke sensor and sends it to OLED display for display)

OV7670照相模组硬件应用指南1.01 OVT，希望大家喜欢(OV7670 Photo Module Hardware Application Guide 1.01 OVT, I hope you like it.)

说明：  设计一个正弦信号发生器，使用凌阳公司的16位单片机SPCE061A作为中央控制器，结合DDS芯片AD9850，产生0～15MHz频率可调的正弦信号,正弦信号频率设定值可断电保存；使用宽频放大技术，在50Ω负载电阻上使1K～10MHz范围内的正弦信号输出电压幅度VP-P=6V±1V；产生载波频率可设定的FM和AM信号；调制信号为1KHz的正弦波，调制信号的产生采用DDS技术，由CPLD和Flash ROM加上DAC进行直接数字合成；二进制基带序列码由CPLD产生，在100KHz固定载波频率下进行数字键控，产生ASK，PSK信号。(Design of a sinusoidal signal generator, the use of Sunplus 16-bit MCU SPCE061A as the central controller, combined with DDS chip AD9850, have adjustable frequencies 0 ~ 15MHz sinusoidal signal, sinusoidal signal frequency settings can be stored power using broadband amplification, in a 50Ω load resistor to 1K ~ 10MHz sinusoidal signal within the output voltage amplitude VP-P = 6V ± 1V generating the carrier frequency of the FM and AM can be set signal 1KHz sine wave modulation signal, modulated signal generation using DDS technology, coupled by the CPLD and Flash ROM DAC for direct digital synthesis binary baseband sequence code generated by the CPLD in a fixed carrier frequency 100KHz digital keying, resulting in ASK, PSK signals.)

leetcode题目解答程序，采用C++编写。(leetcode subject to answer procedure for the preparation of C++.)