440BX开发板 USB pd12通信测试程序

用一片ARM芯片，对电网中的谐波信号进行采集，然后通过GPRS发送给上位机，上位机对采集到的电网中的谐波信号进行分析。以确定电网中谐波的情况。-With an ARM chip, the harmonics of the grid signal acquisition, and then sent to the GPRS PC, PC to the power grid of the collection of harmonic signal analysis. To determine the grid in the case of harmonic.

水位仪通讯控制源码，主要用于水位数据的通讯-Source water level control instrument of communication, mainly used for water level data communications

实时时钟芯片PCF8563 控制C51源程序-real-time clock chip PCF8563 source control C51

12864带字库液晶演示,希望大家能用得上-12864 with a character LCD demo, hope that we can need them

C51只提供长整形除以长整形数据，现已经有函数（经过长期验证）6字节数除以整形数据。-C51 only provide long-divided by a long plastic plastic, are already function (with a long track) 6-byte data divided by plastic.

rc500 c语言库函数，对RC500的开发提供了捷径-rc500 c language library functions, the development of RC500 provides a shortcut

87C52单片机在气流测量中的应用（过量保护，led显示，按键显示）-87C52 microcontroller in airflow measurement of (excessive protection, led displays, buttons displayed)

在ST单片机上实现GPS交通警示器功能.-In the ST to achieve single-chip GPS traffic alerts functionality.

sja1000与串口通信的程序，用串口通信助手可观察结果-SJA1000 with serial communication procedures, using serial communication assistant can be observed

单片机C8051加无线模块nRF24L01实现温度传感器数据采集和无线收发（接收部分）-C8051 MCU plus wireless module nRF24L01 to achieve the temperature sensor data acquisition and wireless transceiver (receiver part)