Quantity   Component name
1 × CAPACITOR 3.3F -10% +30% 2.7V TH Digikey DGH335Q2R7
1 × RELAY GEN PURPOSE DPDT 2A 3V Digikey EC2-3NU
1 × CR2032 Coin Cell Battery
1 × Coin Cell Battery holder
2 × 1K resisior 1/4 watt
1 × 47 uf >5V electrolytic cap
1 × momentary switch
1 × Toggle switch spst