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Step 3MECHANICAL ARM (option B: motorized action)
I think an instructable is not only to show the right way, but the wrong, too. The great Thomas Alva Edison said he had found 1000 ways of how not to make a bulb. It's funny (but very frustrating at the beginning) to find the wrong way.
Well; generally, the spring clamp is not a bad thing, but It was for this project. I start with the spring option because the feeling of grab the things, and the concept of "simple solutions are the best". And it's not a bad idea, but I forgot something: the total weight of the arm. It's very hard to lift a heavy arm and squeeze springs at the same time. Well... back to the workshop!
EXTRA MATERIALS:
- Electric screwdiver (it has all you need: reduction box, a good motor and a reversible switch. You only have to hack it and extend the wires).
- Printers adaptator.
- Joystick (it will be the new handle)
- Metallic angles
- Speaker (with battery box for 4 AA batteries)
- Switch
- Wires
- Electric isolator
- Plastic pieces
Well; generally, the spring clamp is not a bad thing, but It was for this project. I start with the spring option because the feeling of grab the things, and the concept of "simple solutions are the best". And it's not a bad idea, but I forgot something: the total weight of the arm. It's very hard to lift a heavy arm and squeeze springs at the same time. Well... back to the workshop!
EXTRA MATERIALS:
- Electric screwdiver (it has all you need: reduction box, a good motor and a reversible switch. You only have to hack it and extend the wires).
- Printers adaptator.
- Joystick (it will be the new handle)
- Metallic angles
- Speaker (with battery box for 4 AA batteries)
- Switch
- Wires
- Electric isolator
- Plastic pieces
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