Introduction - If you have any usage issues, please Google them yourself
1. A random voltage generating unit (0~5V) is composed of a single chip microcomputer and a DA converter;
2, another single chip microcomputer and AD conversion constitute data acquisition unit;
3, the data will be collected through the serial interface to the computer, need to write computer programs, processing the collected data, such as the display of the current value, draw the recording curve within a certain period of time.