39 lines
1.4 KiB
Text
39 lines
1.4 KiB
Text
(Incomplete - work in progress...)
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--- Mechanics -------------------------------------------------------------------
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Qty. Name Size Comments
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* 12 Steel ball D=1.25mm (0.05") Precision of G10 or better.
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Can be sourced from small ball bearings
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* 1m PU stretch cord D=1mm e.g. 'Stretch Magic' or 'Magic String'
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* 70 Neodym Cylinder Magnet D=3mm h=4mm
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* 1m Brass Pipe OD=2mm ID=1mm
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* 12 M2 Screw M2x12mm, Counsersunk
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* 6 M3 Grub Screw M3x4
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--- Electronics -------------------------------------------------------------------
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Qty. Name Comments
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* 1 DC-DC Step Down Module 4.75-23V Step-Down Buck Converter Module
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* 1 (1N5819) OR (PMEG4010) Diode (either through hole or SMD can be used)
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* 1 RaspberryPi Pico 2
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* 3 MT6835 Magnetic Encoder Module
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* 3 TB6612FNG Driver
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* 3 470 μF Electrolytic Capacitor (anything > 100µF will work well)
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* 3 10.0 μF Ceramic Capacitor 0603 (optional)
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* 2 4.7k Resistor 0603 (optional)
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* 1 2 Pin Power Header
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* 4 4 Pin Header
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* 1 8 Pin Header
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* 3 NEMA 17 Stepper Motor
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