[i=s]This post was last edited by Tiantian1 on 2021-11-17 15:08[/i]This is someone else's circuit diagram. I don't understand the upper right corner. VIN inputs 12V. I don't know what the circuit comp
[i=s]This post was last edited by RCSN on 2021-12-25 08:49[/i]In the previous post, Playing with AT32F437 (4) --- Using SPI transmission as an example to explore the internal flash performance , the a
GND is the abbreviation of the ground terminal of the wire. It represents the ground wire or the zero wire. GND (Ground) on the circuit diagram and the circuit board represents the ground wire or the