Cost, US Dollars DigiKey Part # Name of Part Qty. 25 Qty. 1 ED3740-ND IC SOCKET 40 PIN MS TIN/TIN .600 1.12300 1.80 ATMEGA32-16PU-ND IC AVR MCU 32K 16MHZ 5V 40DIP 4.68000 8.28 CP-002A-ND CONN POWER JACK 2.1MM 0.29700 0.38 EG1903-ND SWITCH SLIDE SPDT 30V.2A PC MNT 0.68 DF15005SDICT-ND RECT BRIDGE GPP 50V 1.5A DF-S 0.60500 0.84 LM7805CT-ND IC REG 1A POS -40-+125DEG TO-220 0.48600 0.72 493-1020-ND CAP 47UF 10V ELECT VR RADIAL 0.11200 0.20 493-1056-ND CAP 4.7UF 25V ELECT VR RADIAL 0.11200 0.20 X143-ND CRYSTAL 16.00MHZ 20PF HC-49/UA 0.32400 0.40 P4013-ND 12 PF/100V DISC CAP GP 0.08200 0.82 1.0KQBK-ND RES 1.0K OHM 1/4W 5% CARBON FILM 0.05400 0.54 160-1607-ND LED 5MM 468NM BLUE WATER CLEAR 0.38700 0.52 H2085-ND CONN RECEPT HOUSING 4POS 2MM 0.09920 0.26 SW400-ND SWITCH TACT 6MM MOM 100GF 0.16200 0.20 H3895-ND CONN HEADER 4POS 2MM R/A TIN 0.15720 0.36 609-1772-ND CONN HEADER 40POS DUAL R/A PCB 1.37920 2.55 Total: $10.71 $18.75 To order these parts all in one fell swoop, you can use the following URL, then paste the comma separated list below into the box: http://sales.digikey.com/scripts/mom.cgi?action=text_file_import 1,ED3740-ND 1,ATMEGA32-16PU-ND 1,CP-002A-ND 1,EG1903-ND 1,DF15005SDICT-ND 1,LM7805CT-ND 1,493-1020-ND 1,493-1056-ND 1,X143-ND 10,P4013-ND 10,1.0KQBK-ND 1,160-1607-ND 1,H2085-ND 1,SW400-ND 1,H3895-ND 1,609-1772-ND