Version 4
SHEET 1 880 680
WIRE -496 32 -496 48
WIRE -496 -48 -496 -64
WIRE 32 320 32 288
WIRE -144 176 -304 176
WIRE -144 144 -256 144
WIRE -304 144 -304 128
WIRE -304 176 -304 144
WIRE -304 32 -256 32
WIRE -304 48 -304 32
WIRE -304 -48 -304 -64
WIRE -304 -64 -16 -64
WIRE -16 -64 -16 -16
WIRE 96 -16 96 -64
WIRE 96 -64 -16 -64
WIRE -304 -64 -496 -64
WIRE 256 240 256 224
WIRE 256 224 208 224
WIRE 208 96 304 96
WIRE -256 64 -256 32
WIRE -256 32 -144 32
WIRE -256 128 -256 144
WIRE -256 144 -304 144
FLAG 32 320 0
FLAG -496 48 0
FLAG 256 304 0
FLAG -304 240 0
FLAG 304 96 VOUT
SYMBOL voltage -496 -64 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 37 42 Left 0
WINDOW 3 36 64 Left 0
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL res -320 -64 R0
WINDOW 0 -50 45 Left 0
WINDOW 3 -55 74 Left 0
SYMATTR InstName R1
SYMATTR Value 1.8K
SYMBOL res -320 32 R0
WINDOW 0 -42 37 Left 0
WINDOW 3 -48 69 Left 0
SYMATTR InstName R2
SYMATTR Value 1.8K
SYMBOL cap 240 240 R0
WINDOW 0 43 23 Left 0
WINDOW 3 42 51 Left 0
SYMATTR InstName C1
SYMATTR Value 0.01µf
SYMBOL cap -320 176 R0
WINDOW 0 -38 32 Left 0
WINDOW 3 -57 57 Left 0
SYMATTR InstName C2
SYMATTR Value 0.1µf
SYMBOL diode -272 64 R0
WINDOW 0 41 24 Left 0
WINDOW 3 39 50 Left 0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL tlc555x 16 240 R0
SYMATTR InstName U1
SYMATTR SpiceModel NE555
TEXT -522 130 Left 0 !.tran 50ms startup
TEXT -520 160 Left 0 ;VDD=12 RONX=1