Make a minimum system board: If you have never done ARM development, it is recommended that you do not be greedy and try to complete all the applications at the beginning, because the startup method o
I recently came into contact with DC boost circuits. I can now use a charge pump to boost a 3.6V power supply to about 15V. I want to continue to boost it to 30V but I have encountered difficulties. I
A friend sent me a picture and asked me to help him look at it. I found a very cool keyboard interface circuit on it. I posted it here to share. 16 keys, only 4 IOs are used. [img]http://bbs.21ic.com/
[i=s] This post was last edited by dontium on 2015-1-23 13:37 [/i] After I burned the program and ran it, it showed "Can\'t Set Breakpoint: Error 0x00000008/-1076 Error during: Break Point, Cannot set