Component | Qt | Description | Price | Provider | Notes |
Billiard ball | 1 | Standard billiard ball – if possible, solid color | $5.95 / 1u |
Amazon | |
Metal ball | 12 | 1cm diameter metal balls | $5.38 / 25u |
Amazon | |
Rotary encoder | 3 | 24 pulse rotary encoder | $4.50 / 1u |
Adafruit | |
Microcontroller | 1 | Arduino Nano 33 IoT | $21.00 / 1u |
Amazon |
|
Pushbutton | 3 | Mini Soft Touch Push-button Switches (6mm square) | $1.95 / 10u |
Adafruit | |
Proto board | 2 | Tiny solderable protoboard for buttons |
$8.99 / 6u |
Amazon | |
LED strip | 20cm | RGB LED strip – 60 LEDs/meter | $25.00 / 1m |
Adafruit |
|
Rubber feet | 8 | Little rubber bumper feet |
$0.95 / 4u |
Adafruit |
|
Gear | 4 | Gears from rollers to encoders | 3D print? |
||
Ball bearing | 8 | uxcell 681XZZ Ball Bearing 1.5x4x2mm | $9.89 / 10u | Amazon | |
Rod | 4 | Metal rod 6cm x 1,5mm |
$5.49 | Amazon | |
Roller | 4 | Cylinder piece with a 1,5mm hole |
would heat shrink do it? | ||
L bracket | 4 | Metal L brackets with 2 mm holes |
$0.68 / 1u |
McMaster-Carr |
to support the dowels |
Acrylic | 1 | 12”x12” Acrylic sheet |
$12.00 / 1u |
Canal Plastic | color TBD |
Wood sheet |
1 | 30x30x0,3cm laserable wood |
for bottom, so that it’s easier to attach everything else |
||
Standoff | 8 | Long standoffs |
enclosure corners and ball support | ||
Standoff | 2 | Shorter standoffs | button support |
||
Screws | 20 | Screws for standoffs |