Quantity   Component name
12 × Side Emitting Addressable LEDs ( XINGLIGHT XL-3210RGBC-WS2812B) https://www.lcsc.com/product-detail/RGB-LEDs-Built-in-IC_XINGLIGHT-XL-3210RGBC-WS2812B_C41413182.html
18 × Spring Contacts with approximately 1.6mm working height (Amphenol 10104319-009RLF) https://www.digikey.com/en/products/detail/amphenol-cs-fci/10104319-009RLF/4238781
3 × Push rivets with a 3 mm diameter and working height of approximately 5mm (3 layers of PCB) (Total rivet height is 6.6 mm when co https://www.amazon.com/dp/B07RKX1K8F
1 × Pieces of Laser Cut 1.6mm thick Acrylic Used as buffer layer to avoid crushing Spring Contacts
8 × Sets of 3 Male header pins with insulation height of 1.6 mm https://www.digikey.com/en/products/detail/harwin-inc/M22-2010305/3728238
4 × 0.5 uF (approximately) 0603 capacitor https://www.lcsc.com/product-detail/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT_CCTC-TCC0603X7R564K250CT_C5360809.html
1 × ATTiny 3224 IC https://www.digikey.com/en/products/detail/microchip-technology/ATTINY3224-SSUR/17630993
1 × 10k pull up resistor (0603) for ATTiny UPDI line https://www.digikey.com/en/products/detail/walsin-technology-corporation/WR08X103-JTL/13240734
1 × 470R resistor for ATTiny programming pin https://www.digikey.com/en/products/detail/yageo/RC0603JR-07470RL/726791
1 × Schottky diode for ATTiny programming https://www.digikey.com/en/products/detail/onsemi/RB520S30T1G/920291
1 × 6 - pin shrouded box header SAO connector https://www.digikey.com/en/products/detail/adam-tech/BHR-06-VUA/10414837