I am confused about some issues regarding PCB wiring. I hope you can discuss them, share your own experiences, and give me some guidance. Issues to consider in PCB wiring include line impedance, capac
I want to count the number of interrupts in an ISR, and then read the value in another thread at intervals and clear it to zero. How can I achieve this? I hope you can explain it in detail. I still ha
IntroductionConference calls are an important service in telecommunication digital switching systems, which can enable multiple users to talk at the same time. In the past, conference calls were mostl
How to get the changed Message object in OnNotify? When a new email comes, how to get the title, sender's EMAIL address, and number of attachments of the new email?
The baud rate set on both the MCU and the PC is 9600, no parity, 8 data bits, 1 stop bit. I use RC to generate the clock required by the MCU. Theoretically, I want to design a 4MHz clock, but the actu
[b]1. Selection tools: [/b] Luminary's function library and graphics library have a lot of integrated things, which many engineers will like. [url=https://en.eeworld.com/bbs/thread-83886-1-1.html]http