Quantity | Component name | |
160 | × | LED green (duh!) just standard 5mm LEDs |
2 | × | raw PCB 160*100mm For etching / milling the boards. (Using perfboard is less fun!) |
2 | × | ULN2803A Darlington Array for 5V TTL logic |
2 | × | 74HC164 Ser-par shift register |
10 | × | MSPA56 NPN-transistor with 500 mA current |
10 | × | Resistor 5KOhm For driving the 10 row-transistors |
10 | × | 10-30 Ohm One dropper resistor for each row |
1 | × | Arduino Uno |
1 | × | Bluetooth speaker The cheapest one will do, just make sure it runs without battery and on 5V |
1 | × | Quartz-clock See video, used |
1 | × | clock-signal-converter See video 2; 1 x BC547, 2 x R 5K, 1 x R 1.5K, 1 x R 3.5K |