Quantity   Component name
1 × Circuit Playground <a target="_blank" rel="noopener noreferrer" href="https://www.adafruit.com/product/3333">https://www.adafruit.com/product/3333</a>
1 × Alligator Clips <a target="_blank" rel="noopener noreferrer" href="https://www.adafruit.com/product/1008">https://www.adafruit.com/product/1008</a>
1 × LED Matrix <a target="_blank" rel="noopener noreferrer" href="https://www.adafruit.com/product/2547">https://www.adafruit.com/product/2547</a>
1 × Power Supply: Mean Well RS-50-5 <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/product-detail/en/mean-well-usa-inc/RS-50-5/1866-4157-ND/7706192">https://www.digikey.com/product-detail/en/mean-well-usa-inc/RS-50-5/1866-4157-ND/7706192</a>
1 × Power supply cable <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/product-detail/en/qualtek/311007-01/Q106-ND/183390">https://www.digikey.com/product-detail/en/qualtek/311007-01/Q106-ND/183390</a>
1 × Or Alternate / smaller LED matrix <a target="_blank" rel="noopener noreferrer" href="https://www.adafruit.com/product/1487">https://www.adafruit.com/product/1487</a>
1 × Or Alternate alligator clips to match the small matrix <a target="_blank" rel="noopener noreferrer" href="https://www.adafruit.com/product/3255">https://www.adafruit.com/product/3255</a>
1 × Or use this free, alternate online FastLED matrix simulator <a target="_blank" rel="noopener noreferrer" href="https://editor.soulmatelights.com/welcome">https://editor.soulmatelights.com/welcome</a>