DescriptionDigi-Key Part #Price/ea [DK]Radio Shack Part #Price/ea [RS]Qty (individual components)
1k Ohm 1/4W Resistor1.0KQBK-ND.054271-1321.9910
7805 5V Voltage Regulator497-1170-1-ND1.04276-17701.591
100nF Ceramic Disc Capacitor399-4454-1-ND.13272-1351.292
Atmel ATMega16(L)ATMEGA16-16PU-ND6.56N/AN/A1
1.5-3V 20mA LED754-1264-ND.09276-16222.593
N.O.Momentary Push ButtonsEG2490-ND.031275-15473.294
5x7 LED Dot Matrix Display160-1002-ND2.29N/AN/A1
Programming Cable




Wire





 

 Optional: 

SPST Power Switch 

Universal Breadboard Enclosure: Mouser has some decent enclosures with battery space built in. They are like a GameBoy enclosure only "blank". 

*Prices are in USD