Ref.    Qty	Description	
C1 Cap   1  Capacitor 10 volt or more and about 200 uf 	
Part No.      Mfg.      Source      Source Part No.
EEU-FC1J221   Panasonic Digi-Key 	P10346-ND

Ref.    Qty	Description	
R1 Res   1  Resistor 1000 ohms 
[if your voltage is > 15 volts this should be 1/2 watt or more]	
Part No.            Mfg.                   Source      Source Part No.
5073NW1K000J12AFX  Phoenix Passive Comp.   Digi-Key    PPC1.0KW-1CT-ND

Ref.    Qty	Description	
R3 Res   1  Resistor 100K ohm	
Part No.        Mfg.	  Source    Source Part No.
ERO-S2PHF1003  Panasonic  Digi-Key 	P100KCACT-ND

Ref.    Qty	Description	
Zener    1  Zener Diode [ Voltage regulator for ICs]	
Part No.      Mfg.       Source   Source Part No.
1N4735A-T   Diodes_Inc	Digi-Key  1N4735ADICT-ND

Ref.    Qty	Description	
D1-D4    4  Diodes [ to clamp voltage spikes]	
Part No.      Mfg.      Source     Source Part No.
1N4004-TP   Diodes_Inc	Digi-Key   1N4004-TPMSCT-ND

Ref.    Qty	Description	
U1       1  IC BCD Up/Down Counter 16-DIP	
Part No.      Mfg.            Source      Source Part No.
CD4516BE   Texas_Instruments	Digi-Key    296-2075-5-ND

Ref.    Qty	Description	
U2       1  IC Decoder CMOS BCD-DEC 16-DIP	
Part No.      Mfg.            Source     Source Part No.
CD4028BE   Texas_Instruments	Digi-Key   296-2045-5-ND

Ref.    Qty	Description	
Q1-Q4    4  MOSFET N-CH 100V 12A TO-220AB	
Part No.      Mfg.                  Source     Source Part No.
RFP12N10L   Fairchild_Semiconductor	Digi-Key   RFP12N10L-ND

Ref.    Qty	Description	
R2       1  "Lamp Socket [Hldr, Lamp; Wedge; PCB; 23 Series]"	
Part No.      Mfg.                           Source	          Source Part No.
23-35 (PC)  Lighting_Components_and_Design  ALLIED Electronics  931-2335

Ref.    Qty	Description	
Conn.    1  Connector 25 Pin D-Sub Male [You need this to connect to the computer]	
Part No.          Mfg.	           Source    Source Part No.
171-025-113R001   Norcomp_Inc.     Digi-Key   4225ME-ND