serial number	Essential	name	quantity	Remark
1	✓	1N4148 diode	20	SMD type (1N4148 LL34 1206)
2	✓	Shaft	20
3	✓	Kaihua hot-swappable shaft base	20
4	✓	Pro Micro Development Board	2	Buy one that comes with BootLoader
5	△	12pin pin header	4	It is used to connect the development board and PCB. It is usually given when buying a development board.
6		40pin header	2	It is convenient to disassemble the development board; cut it into 2x12pin for use; if you use a female header, you need to buy the corresponding pin header, or use the cut diode pins
7	✓	Positioning plate	2
8	✓	M2 screw	16	Recommended height 5mm and 10mm
9	✓	M2 nut	8	Height 10 mm or more
10		4.5x4.5mm four-pin chip micro switch	1	Used for short-circuit-free brush firmware; height below 6mm

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Update:2025-06-19 21:28:18

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