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Gustavo Alberto 2025-10-07 21:09:10 -03:00
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(Incomplete - work in progress...)
--- Mechanics -------------------------------------------------------------------
Qty. Name Size Comments
* 12 Steel ball D=1.25mm (0.05") Precision of G10 or better.
Can be sourced from small ball bearings
* 1m PU stretch cord D=1mm e.g. 'Stretch Magic' or 'Magic String'
* 70 Neodym Cylinder Magnet D=3mm h=4mm
* 1m Brass Pipe OD=2mm ID=1mm
* 12 M2 Screw M2x12mm, Countersunk
* 6 M3 Grub Screw M3x4
--- Electronics -------------------------------------------------------------------
Qty. Name Comments
* 1 DC-DC Step Down Module 4.75-23V Step-Down Buck Converter Module
* 1 (1N5819) OR (PMEG4010) Diode (either through hole or SMD can be used)
* 1 RaspberryPi Pico 2
* 3 MT6835 Magnetic Encoder Module
* 3 TB6612FNG Driver
* 3 470 μF Electrolytic Capacitor (anything > 100µF will work well)
* 3 10.0 μF Ceramic Capacitor 0603 (optional)
* 2 4.7k Resistor 0603 (optional)
* 1 2 Pin Power Header 7.5 mm pitch
* 4 4 Pin Header 2.5 mm pitch
* 1 8 Pin Header 2.0 mm pitch
* 3 NEMA 17 Stepper Motor (Body length <= 38mm)
--- 3D Printing ------------------------------------------------------------------
Qty. Name Comments
* 3 WireFlexureMount 0.4mm+ nozzle will probably require post-processing.
* 3 RubberBandCollet 0.4mm+ nozzle will probably require post-processing.
* 3 BallJointMount 0.4mm+ nozzle will probably require post-processing.
* 3 Motor Mount
* 1 EndEffector
* 1 Base Block