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Precautions for PCB

2022-04-23 11:27:00 【Wanzhang light I】

Because I always forget to draw PCB Some key points of , So I plan to write it down and remind myself , I hope it can also help you .

1.PCB The edge of the board should be placed with the line of the mechanical layer .

2. Local copper laying can be used , This can enhance heat dissipation .

3. Schematic diagram empty feet can't just be empty , Or grounded , Or just mark × Pin symbol of .

4. Power lines and other high current lines shall be thickened , Remember that （ I always forget ）.

5. stay PCB in ,GND The wire of the pin can not be connected , Finally, lay copper for grounding .

The rest will be edited when you remember .

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