采用ch375构成的usb接口进行数据传输，atmega128作为控制器，将探测器输出的模拟量转换成数字量，进行存储，等待上位机的读取。-To improve the speed of the serial port, using usb interface consisting ch375 for data transmission, atmega128 as a controller, the detector output analog into digital, for storage,