The material list is based on the Requirements list

Bill of Materials

Make sure you have an Arduino or equivalent microprocessor.

Must have

# Amount Description Supplier NL Cost
1 1 DC Brushless motor 800 RPM/V & Electronic Speed Controller HobbyKing 12.92
2 1 3.5mm connector HobbyKing 2.31
3 1 Rotary encoder iPrototype, Farnell, EOO 0.60
4 1 Knob Farnell, (EOO + EOO) 0.23
5 1 Power switch iPrototype, Farnell, EOO 0.95
6 1 DC power jack iPrototype, EOO 0.85
7 1 12V 5A Power supply Farnell, EOO 20.00
8 1 Push button iPrototype, EOO 0.55
9 1 10K resistor Farnell, EOO 0.06
10 4 Rubber feet Conrad 0.08
11 1 Sheet of 45cm x 95cm 3mm MDF Houthandel Schmidt  
12 1 Heavy weight max 12cm diameter Bol 4.79
    Total costs    
  • As a rotor we wil use a 3D print of your own design, or this Microfuge 8 Place Rotor
  • You will also need some M3 10 mm bolts and nuts

Nice to have

# Amount Description Supplier NL Cost
1 1 Infrared sensor Farnell 1.70
2 1 6.8 KOhm resistor Farnell 0.02
3 1 220 Ohm resistor Farnell 0.02
4 1 I2C LCD display iPrototype, (HobbyElectronica + HobbyElectronica) 16.95
5 1 Lever switch iPrototype, Farnell, EOO 2.33
    Total costs    

Alternatives

  • Hard drive motors also speed up to about 7400 RPM

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