Everyone, I have worked on hardware for a while and designed several circuit boards and PCBs, but I have a few questions about grounding. 1. Why should the digital ground be connected in a loop? When
I use a qq2440 circuit board. Every time I use ActiveSync to synchronize with Windows CE, a synchronization name will be established (a partnership will be established). For example, I use the name sy
Received the board on October 27, and spent 3 days getting familiar with it, including downloading the chip manual, MM32-LINK, and library files, etc.
Finally, today, October 30th, it was done and the