Quantity   Component name
64 × 5mm LEDs Cheapies bought from amazon. Nothing really special here. I chose blue. <a target="_blank" rel="noopener noreferrer" href="https://www.amazon.com/gp/product/B00E6P8J1W">https://www.amazon.com/gp/product/B00E6P8J1W</a>
1 × Tinned Wire This takes solder well, is easier to cut than piano wire, and is rigid enough to hold the cube&apos;s shape. All of the wiring is the cube itself is made of this stuff. <a target="_blank" rel="noopener noreferrer" href="https://www.amazon.com/gp/product/B000IJXXV6">https://www.amazon.com/gp/product/B000IJXXV6</a>
1 × ATMEGA328P-PU 8-bit ATmega AVR with I/O pins that can source and sink more than 20mA to drive the LEDs. Acquired for free as a sample from Microchip.
9 × 41Ω resistor Exactly was it sounds like. I&apos;ll probably use 1% tolerance in the end.