This was built for 8th grade students to use in their engineering project “build a Carnival Game”. Students wanted to move things like cars or space ships up and down. This is placed on the back of a game board to provide linear movement.
This is slow and not too accurate, but good enough for this project.
Printed in PLA+
bar is standard V Slot 2040 Aluminum Extrusion European Standard length is up to you.
For this project we used a MicroBit controller and Kitronics Robotics Board
hardware
1x M4x50
4x M3x6
8x M5x12
4x 2020 Series M3 T Nuts
8x M5 sliding T Nuts
1x 1 amp NEMA 17 stepper motor
2mm Pitch 6mm Width Rubber Drive Belt
20 Teeth 5mm bore 6mm Width 20T Timing Belt Pulley Wheel
2x 8 Ohm 100 watt resistor. Resistor wired in series with each of the single stepper motors coils.
1x Momentary Micro Switch for homing
optional two metal sewing bobbins to modify speed with up to 1:3 purchase
The author marked this model as their own original creation.