schematic diagram |
R1 - 500 kilo ohms 1/4W
R2 - 3.9 Mega ohms 1/4W
R3, R4 - 5 kilo ohms 1/4W
Q1, Q2, Q3 - 2N2222, 9013, or similar NPN transistor
Q4 - 2N4403 or similar (higher the better) PNP transistor
Touch plate - any touch plate for
Lamp - 3V to 6V bulb or relay
DC - 6V battery
2N2222 or NPN pinout |
PNP transistor pinout |
can i have a description on this one?
ReplyDeletedescription on the functions of the transistors
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