Quantity   Component name
1 × ATTINY85V Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers, The 85V is a low voltage version of the microcontroller
1 × CR2032 battery holder http://www.mouser.com/ProductDetail/Linx-Technologies/BAT-HLD-001/?qs=sGAEpiMZZMvxqoKe%252bDjhrjh%2fwlHbZaKUC3Xc27YzfD8%3d
1 × 1k 0805 resistor
1 × Blue LED
1 × 1uF 0805 capacitor
1 × PCB
1 × SWITCH SLIDE SPDT 100MA 12V AYZ0102AGRLC