Table 3

Parts list

ItemQuantitySource, useful resources
Arduino Uno1https://store.arduino.cc/usa/arduino-uno-rev3
1.2” 8 × 8 LED matrix with backpack3https://www.adafruit.com/product/870
https://learn.adafruit.com/adafruit-led-backpack/1-2-8x8-matrix
Half Bread Board1https://www.adafruit.com/product/4539
10k Ohm Resistor12https://www.adafruit.com/product/2784
4 strand 22-g shielded hookup wire∼5 feethttps://www.amazon.com/Gauge-Conductor-Stranded-Copper-Security/dp/B01CT8IUIO
22-g solid wire [4–5 colors (Rd,Bk,C1,C2,C3)]∼2 feet per colorhttps://www.amazon.com/TUOFENG-Wire-Solid-different-colored-spools/dp/B07TX6BX47
5-Way Wire Connectors4https://www.amazon.com/Wago-221-415-LEVER-NUTS-Conductor-Connectors/dp/B06XH47DC2/
3D-printed holder3GitHub, Extended Data 1
#4–40 machine screws, 8-mm total length6https://www.digikey.com/en/products/detail/keystone-electronics/9900/317321
Adafruit_GFX Libraryhttps://learn.adafruit.com/adafruit-gfx-graphics-library
Adafruit_LEDBackpackhttps://learn.adafruit.com/adafruit-led-backpack/downloads
Stimulus codeGitHub, Extended Data 1
Optional
3D-Printed Nosepoke Ports3GitHub, Extended Data 1
IR Beam Breaker Sensor3https://www.adafruit.com/product/2167
#6–32 machine screws, 11-mm total length12https://www.digikey.com/en/products/detail/keystone-electronics/9904/317325
Dupont Jumper Connectors (connect Arduino to LED backpack)https://www.amazon.com/HJ-Garden-Connectors-Terminal-1-12Pin/dp/B07BDJ63CP