The wiring method of Jialichuang is as follows:
Determine the position of each device, try to be symmetrical, and put the filter capacitor near the chip.
When routing, the power cord is thick and symmetrical. If the direction cannot be modified by rotation, the direction of the schematic diagram can be modified to facilitate wiring.
The end of the preliminary wiring needs to be adjusted, try not to have a right Angle, acute Angle is not.
Crystal oscillator can not lay copper, and walk the ground cover wire, and then pay attention to other devices that can not lay copper, set the forbidden area.
Can add tear drops, more conducive to welding board.
Can give a description of the silk screen layer for serial port, swd, etc.
Hope the above information is helpful to you.