My graduation project is an access control system, and there is a requirement: if there is someone at the door (infrared detection outputs high level), the LCD lights up and displays the welcome word;
Design a scoreboard for a basketball game, using 4-digit digital tubes to display the countdown minutes and seconds; 2-digit digital tubes to display the score of side A; 2-digit digital tubes to disp
I took on a project from someone online, and found out that he is a liar. I have evidence. What should I do? I took on a project from someone online, and found out that he is a liar. I have evidence.
The downloader produced by Zhejiang Yalong Education Equipment, because I can't download their company's download software, and now STC's 51 machines all download via serial ports, I don't know how to