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Student, Programmer (Project Leader)
 · MontréalCanada
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ROADMAP

Bill of materials

Part Price Status
70000rpm motor (pack of 10) 5,06C$ Ordered
Drill bit holder 4,99C$ Ordered
Slide potentiometer 2,58$ Ordered
AAA batteries (local shop)
Breadboard for prototyping 3,16C$ Ordered
1x 22 gauge wire (black, 25’) 3,04C$
1x 22 gauge wire (red, 25’) 3,04C$
Push button, self-locking switch 2,67C$ Ordered
Small ABS pipe (local shop)
Some small metal sheet (local shop)
TOTAL 26,52C$

Total budget for this project is 50$

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Jibin Lukose

Brought up the idea of using a different type of power switch, which lead me to finding a cheaper and more fitting alternative for this project.

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Jibin Lukose
18
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Student
 · ThrissurIndia
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All the best for the Project :) . 👍

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Brought up the idea of using a different type of power switch, which lead me to finding a cheaper and more fitting alternative for this project.

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Student, Programmer (Project Leader)
 · MontréalCanada
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[UPDATE]

Changed:

  • Toggle switch have been changed to self-locking, push-button switch. It’s smaller and easier to wire. I will also be easier to tell if it’s on or off.
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Jibin Lukose
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Mastermind
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 · ThrissurIndia
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Motor used is mini coreless type, like the ones in mini quadcopters?

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Student, Programmer (Project Leader)
 · MontréalCanada
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Probably, I’m just curious what a 70000rpm motor can do to be honest. It’s faster than dremel tool and since polishing and grinding aren’t tasks that requiere a lot of force on the motor shaft, I thought it would work for this application.

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Student, Programmer (Project Leader)
 · MontréalCanada
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[UPDATE]

Ordered:

  • Motors
  • Drill bit holder(s)
  • Slide potentiometer
  • Breadboard
  • Power button

Delivery is estimated for somewhere between May 26 and July 12, so let’s just hope I’m lucky with transport

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Jibin Lukose
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 · ThrissurIndia
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The Slide Potentiometer used/will be used, may I know the dimension of it ? Émile Blais-Villiard

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