PART QTY PRICE DESCRIPTION PIC16F648 1 2.02 microcontroller http://www.newark.com/03H5933/semiconductors-integrated-circuits/product.us0?sku=microchip-pic16f648a-i-so CBT3251 1 0.60 1x8 multiplexor http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=568-3626-5-ND CBT3257 2 2x0.43 1x4 multiplexor http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=568-3058-5-ND FDC6305 4 4x0.40 power MOSFET transistor pair http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=FDC6305NCT-ND LC2088AURYG1C 1 5.89 Dot Matrix LED 8x8 bicolor http://www.lc-led.com/View/itemNumber/288 KSA0M311 2 2x0.48 tactile switch http://www.newark.com/88K5181/switches-relays/product.us0?sku=c-k-ksa0m311-lft&_requestid=18242 MC7805BDTRKG 1 0.74 5V voltage regulator http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=MC7805BDTRKGOSCT-ND PJ-102BH 1 0.42 power jack 2.5x5.5mm http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=CP-102BH-ND All resistors and capacitors are in 0603 package of Eagle Layout Editor. (optional case) Hammond Mfg. ABS plastic soft sided hand held enclosure 1553 series http://www.hammondmfg.com/1553colors.htm datasheet: http://www.hammondmfg.com/pdf/1553D.pdf