Step 1: Materials
- Mint Tin. The dimensions of my tin are 40mm x 77mm x 22mm.
- Mini piezo siren capable of being run by a 12v power source. ( Amazon )
- A23 12v battery ( Amazon / DealExtreme ) and holder
- Toggle switch ( Amazon )
- Tact switch or other momentary on switch ( Amazon )
- Red 5mm LED ( Amazon / DealExtreme ) and a resistor exceeding 500ohms*. I used a 620 ohm resistor ( Amazon ).
Affiliate links provided for appropriate products on Amazon.com and DealExtreme.com
- Soldering equipment
- Small pliers and other basic hardware
- Hot glue gun