It's like this. I had basically no contact with microcontrollers before. This internship happened to be about development. So I took an AC7801 to study. After looking at the schematic diagram, I was a
Experts, please tell me, after drawing the board, I updated the schematic (adding or deleting some components, changing some circuits), and then when I import the schematic into the PCB, a prompt will
1. Common errors in schematics:(1) ERC reports that the pin is not connected to the signal:a. The I/O attribute is defined for the pin when creating the package;b. The inconsistent grid attribute is m
[size=4][font=宋体][size=26pt]Regarding the voice system, I saw on the Internet that signal tones are used, namely, 1[/font][/size][font=宋体][size=26pt]beam[/size][/font][size=26pt][font=Times New Roman]
Sometimes we need to process data by bytes, especially when doing 8-bit data communication. Most MCUs support byte addresses, which means that when an address is added by 1, the data is moved by one b