PrivilegedActionException

430 单片机的i2c程序，430有i2c集成(this is an I2C program of 430)

数字电压计测电压频率。2015年电赛，精度高，易实现(The digital voltage measures the voltage frequency. 2015 electric competition, high precision, easy to achieve)

三相电的电压电流读取 功率 上报给主机通过CAN(Reading of Three-phase Electric Voltage and Current)

lpc2138芯片，加lcd12864，两个一起实现显示的功能。(lpc2138 chip, plus lcd12864, two together achieve the display function.)

Battery management system for up to 15 Li-ion cells based on bq76940 or bq76930 IC from Texas Instruments

its about sampling.how to sample.mean getting an idea about sampling

说明：  本程序利用51单片机实现点对多点的数据传输，包括相应的电路图(This procedure using 51 single-chip realization of point-to-multipoint data transmission, including the corresponding circuit diagram)

HART设计代码和硬件电路图纸，绝对的有用，方便你的设计(HART code and hardware circuit design drawings, absolutely useful and convenient for your design)

emWIN,解决64位机不能使用软件工具的尴尬，可以说是前期版本的升级版5.22版本(EmWIN, to solve the embarrassment of 64-bit computers not using software tools, can be said to be the upgraded version of 5.22 version of the previous version.)

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.)