When calculating addresses in assembly, we sometimes encounter the problem of sign extension. I know how to extend, but I don't understand why it is extended? In what cases is it necessary to extend t
[i=s]This post was last edited by ddllxxrr on 2018-10-27 20:14[/i] Let me first tell you why I am interested in this board: The operating voltage of the MM32F031xx series is 2.0V ~ 5.5V[/size][/font][
When I was making a digital hygrometer recently, I found that everyone was confused about soldering SHT21. The data sheet said to use reflow soldering. But we are DIY, so reflow soldering is impossibl
[code]while (1){// If there is a message waiting, handle itif (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)){// If it is a quit message, we're doneif (msg.message == WM_QUIT)break;// Otherwise process itT