Part descr amount orderno link 1price Notes CON1/3/4 pinheader 2x5 3 WSL10G http://reichelt.de/inhalt.html?ARTIKEL=WSL%252010G 0.07 CON2 pinheader 2x8 1 WSL16G http://reichelt.de/inhalt.html?ARTIKEL=WSL%252016G 0.07 CON5 screw clamp 3.5, 2pin 1 AKL 059-02 http://reichelt.de/inhalt.html?ARTIKEL=AKL%2520059-02 0.15 X1 crystal osc. 10MHz 1 10-HC18 http://reichelt.de/inhalt.html?ARTIKEL=10-HC18 0.44 C1-4 ceramic cap 100nF 4 X7R-5 100N http://reichelt.de/inhalt.html?ARTIKEL=X7R-5%2520100N 0.12 C5/6 ceramic cap 18pF 2 Kerko 18p http://reichelt.de/inhalt.html?ARTIKEL=KERKO%252018P 0.04 R1 resistor 10k 1 1/4W 10k http://reichelt.de/inhalt.html?ARTIKEL=1/4W%252010K 0.10 0.10 single qty. buy more, you'll need them, 0.019/piece @ >=100 RN1/2 resistor array DIL 2 not avail http://www.vishay.com/docs/31511/mdp1416.pdf Reichelt doesn't have those. Types eg: Vishay Dale MDP1603 -or- resistors 16 1/4W 220 http://reichelt.de/inhalt.html?ARTIKEL=1/4W%2520220 0.032 price per R at 10 >= qty > 100, value depends, common range: 100-330 IC1 PIC18F2xx 1 PIC 18F242-I/SP http://reichelt.de/inhalt.html?ARTIKEL=PIC%252018F242-I/SP 5.60 Note: price is switched between I/SP and I/SO -or- PIC18F252 Note: other 28pin PICs from the 18F series should work as well -or- PIC18F2220 IC2/3 74HCT164 2 HCT 164 http://reichelt.de/inhalt.html?ARTIKEL=74HCT%2520164 0.32 IC4/5 ULN2803 2 ULN 2803A http://reichelt.de/inhalt.html?ARTIKEL=ULN%25202803A 0.40 Board errata: R1 100k -> 10k C numbering IC numbering socket IC1 DIL28 skinny (300mil) 1 GS 28P-S http://reichelt.de/inhalt.html?ARTIKEL=GS%252028P-S 0.33 socket IC2/3 DIL14 2 GS 14 http://reichelt.de/inhalt.html?ARTIKEL=GS%252014 0.04 socket IC4/5 DIL18 2 GS 18 http://reichelt.de/inhalt.html?ARTIKEL=GS%252018 0.05 socket RN1/2 DIL16 2 GS 16 http://reichelt.de/inhalt.html?ARTIKEL=GS%252016 0.04 Additional parts - 10pin flat cable ? AWG 28-10G 3M http://reichelt.de/inhalt.html?ARTIKEL=AWG%252028-10G%25203M 1.50 for segments - 16pin flat cable ? AWG 28-16G 3M http://reichelt.de/inhalt.html?ARTIKEL=AWG%252028-16G%25203M 2.15 for common cathodes - 2x5 pin IDC connector 2 PFL 10 http://reichelt.de/inhalt.html?ARTIKEL=PFL%252010 0.09 for segments - 2x8 pin IDC connector 1 PFL 16 http://reichelt.de/inhalt.html?ARTIKEL=PFL%252016 0.09 for common cathodes - mounting bolt, dia 3mm 4 DA30 http://reichelt.de/inhalt.html?ARTIKEL=DA30 0.13 these allow you to stack the boards. DA30 is 30mm long