First remove the head of the neutral pen, wash it clean, and install it on the motor:
Making course of simple small electric drill.
Add a heat sink:
Making course of simple small electric drill.
Add:
A few drops of lubricating oil:
Saw out a PVC tube about the length of 15cm and dig a hole in the top to allow the motor to fit in:
Drill two holes in the tail with a motor.
Plug into the motor:
Wrap white paper:
Repackage:
Turn on the electricity and sharpen on the grindstoneWiring:
Final Products:
Thanks for NextPCB sponsor this project.
For New Customer, Your First Order Will Be Free.
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NextPCB is a high-quality PCB Manufacturer in Shenzhen China. With professional PCB manufacturing capabilities, for each file of our customer will be double-checked by more than 10 years PCB engineers. PCB materials are certified by ISO9001, UL; We handle the whole process including PCB manufacturing, PCB assembly, testing,and final shipment. We are capable of assembling BGA, Micro-BGA, QFN and other leadless package parts. We also have an online parts shop, you can choose any parts if you need it.
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