PCBs to make penrose tilings with addressable LEDs. in order to make a continous data signal, the data follows marking shown on PCB. these markings form closed loops, however loops can be merged using the switch onboard. They link together using 5mm U shaped single row connectors.
| P3 tiling | P2 tiling |
|---|---|
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how switch position routes data:
Materials per board:
4x SK6812 (or compatable ws2812b) 5050 leds - https://www.aliexpress.com/item/32814778563.html?spm=a2g0o.cart.0.0.119f3c00zzKG71&mp=1
4x 1x3 female 2.54 mm spaced headers - https://a.aliexpress.com/_mLI1pO5
4x 100 nf decoupling capacitors in 0805 size -
?x 5mm U shaped connectors 2.54mm spacing. - https://www.aliexpress.com/item/4001034220522.html?spm=a2g0o.cart.0.0.74ea3c00vI7Rsv&mp=1
1x dpdt MSS22D18 switch - https://www.aliexpress.com/item/4000684780091.html?spm=a2g0o.cart.0.0.4ff63c00xiN8D5&mp=1