schematic diagram |
NPN transistor pinout |
Part List:
R1 - 390 kilo ohms 1/4W
R2 - 120 kilo ohms 1/4W
POT1 - 10 kilo ohms poetentiometer
C1 - 2.2uF electrolytic capacitor rated 16V
Q1 - 2N2222, 9013 or similar NPN transistor
NEON - any small neon lamp
what if i replace a LED with neon lamp ?
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