Re: Variable power control

LKNDAVE
 

parts:
q- tip142 $ 1.26 each
l1,2- 100 uh power inductor 
c1,2 - 100 ufd @ 50 vdc $.12 each
sw- your pick. rotary make before break 3 -5 pos depending how many levels you want .$.89 EACH
R1 1K 1/2 WATT -$.25 FOR 10
IF TOGGLE SPST USED LIKE SCHEMATIC THEN 10K 1/4 WATT.
PERF, VERO 
ZENER DIODES FROM THE 1N47XX SERIES $.04 EACH.
IF YOU WANT 5 VOLTS GET 1N4734 5.6 VOLT
9.3 VOLT USE 1N4740 10 VOLT.
ETC
DAVE

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