Version 4
SHEET 1 1192 680
WIRE 48 -240 -320 -240
WIRE 176 -240 48 -240
WIRE -320 -208 -320 -240
WIRE 48 -208 48 -240
WIRE 176 -144 176 -240
WIRE -320 -112 -320 -128
WIRE 48 -96 48 -128
WIRE 112 -96 48 -96
WIRE 48 -48 48 -96
WIRE -96 0 -160 0
WIRE -16 0 -96 0
WIRE 176 48 176 -48
WIRE 48 64 48 48
WIRE -160 80 -160 0
WIRE 48 192 48 144
WIRE 176 192 176 112
FLAG -320 -112 0
FLAG 176 192 0
FLAG 48 192 0
FLAG -160 160 0
FLAG -96 0 V_in
SYMBOL voltage -320 -224 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9v
SYMBOL res 32 -224 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL LED 160 48 R0
SYMATTR InstName D1
SYMBOL res 32 48 R0
SYMATTR InstName R2
SYMATTR Value 80
SYMBOL npn -16 -48 R0
SYMATTR InstName Q3
SYMATTR Value 2N2222
SYMBOL pnp 112 -48 M180
SYMATTR InstName Q4
SYMATTR Value TIP32
SYMBOL voltage -160 64 R0
WINDOW 0 -48 -5 Left 2
WINDOW 3 -289 60 Left 2
WINDOW 123 -289 88 Left 2
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PWL(0 0 0.1m 3 8m 3 8.1m 0)
SYMATTR Value2 AC 0
TEXT -760 216 Left 2 !.tran 0 12m 0 1u startup uic
TEXT -768 256 Left 2 !;ac dec 1000 1 500Meg
TEXT -320 -368 Left 2 ;https://www.mikrocontroller.net/topic/465625
TEXT -304 -320 Left 2 ;Led Driver