AVR的MEGA128开发板原理图，包括LED，数码管，UART，AD通道，DA通道引出，12864接口等。-The MEGA128 AVR development board schematics, including LED, digital tube, UART, AD channel, DA-channel leads, 12864 interfaces.

采用AVR MEGA128实现数模DAC7512单电压输出功能，掌握DA基本流程和语言要点-Achieved using AVR MEGA128 single DAC7512 digital-analog voltage output, process and language to master the basic elements of DA

AVR ATMEGA128配合使用DAC7512进行数模转换的源代码，测试通过。-AVR ATMEGA128 with the DAC7512 digital-to-analog conversion of the source code, test passed.