This an electronic digital caliper to computer (RS-232) interface. This will work with the inexpensive calipers, micrometers and height gauges that are typically made in China. The connector on the measuring instrument will have 4 pins, and the owner

1、 主控模块：采用89C52单片机进行各项控制； 2、 键盘处理、显示及报警模块：实现人机交互操作和控制； 3、 定时及电器控制：通过继电器连接外部电器，由单片机进行定时控制； 4、 异步串行通信：实现微机RS-232接口和单片机的异步串行通信； 5、 在线编程接口：通过微机串行口或USB接口，实现微机对单片机的在线编程控制； -Master module: 89C52 microcontroller various control 2, keyboard handlin

A nice project to apply and develop further

Parameter of Tool: 1.Chip Type ￡؛ gx6601 2.Serial Port￡؛ PC connects RS-232 port of STB 3.Mode ￡؛ usbdown 4.Section￡؛ ALL 5.File￡؛ input the .bin file name￡¨XXX.bin￡© -Parameter of Tool: 1.Chip Type ￡؛