Quantity   Component name
1 × SPTD SMD Switch 401-1999-1-ND JS102011SAQN
1 × 20MM Coin Cell Battery Retainer (CR2032) Mouser: 12BH002-GR
1 × Linear Regular (LDO) MIC5504-3.3YM5-TR (Digikey: 576-4764-1-ND)
1 × 0805 LED
1 × 0805 Resistor
2 × 0805 1uF Capacity