There were analog multiplexers, A/D conversion(analog digital conversion), FIFO module, CPLD module in the hardware design and CPLD program, USB firmware, USB driver in the software design.
在硬件上包含多路开关、模数转换、FIFO模块、CPLD模块、USB模块； 在软件上包含CPLD编程、USB固件、USB驱动以及应用程序。
System design mainly includes the addition circuit, A/D analog-to-digital conversion module, serial communication module, PC display module, etc.
系统设计主要包括加法电路，A/D模数转换模块，串口通信模块，上位机显示模块等部分。
In the signal into the A / D converter analog to digital conversion, the final processing of data into the microcontroller, then the output is displayed, and determine whether there is a gas leak.
在把信号送入A/D转换器进行模数转换后，将最后的数据送入单片机进行处理，随后输出显示，并且判断是否有煤气泄漏。
In the signal into the A / D converter analog to digital conversion, the final processing of data into the microcontroller, then the output is displayed, and determine whether there is a gas leak.
在把信号送入A/D转换器进行模数转换后，将最后的数据送入单片机进行处理，随后输出显示，并且判断是否有煤气泄漏。
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