Version 4
SHEET 1 880 680
WIRE -128 -208 -272 -208
WIRE 16 -208 -128 -208
WIRE 432 -208 16 -208
WIRE 464 -208 432 -208
WIRE 576 -208 544 -208
WIRE -128 -144 -128 -208
WIRE 576 -144 576 -208
WIRE 208 -96 -32 -96
WIRE 512 -96 288 -96
WIRE -128 0 -128 -64
WIRE 384 0 -128 0
WIRE -128 48 -128 0
WIRE -272 64 -272 -208
WIRE 96 96 48 96
WIRE 112 96 96 96
WIRE 352 96 336 96
WIRE 432 96 432 -208
WIRE 432 96 352 96
WIRE -128 160 -128 128
WIRE -32 160 -32 -96
WIRE -32 160 -128 160
WIRE 96 160 -32 160
WIRE 112 160 96 160
WIRE 352 160 336 160
WIRE 384 160 384 0
WIRE 384 160 352 160
WIRE 464 160 384 160
WIRE 576 160 576 -48
WIRE 576 160 528 160
WIRE 640 160 576 160
WIRE 752 160 704 160
WIRE 96 224 80 224
WIRE 112 224 96 224
WIRE 352 224 336 224
WIRE 384 224 352 224
WIRE -128 240 -128 160
WIRE 16 288 16 -208
WIRE 96 288 16 288
WIRE 112 288 96 288
WIRE 352 288 336 288
WIRE 576 288 576 160
WIRE -32 352 -32 160
WIRE 384 352 384 224
WIRE 384 352 -32 352
WIRE -272 400 -272 144
WIRE -128 400 -128 304
WIRE -128 400 -272 400
WIRE 48 400 48 96
WIRE 48 400 -128 400
WIRE 576 400 576 352
WIRE 576 400 48 400
WIRE -128 432 -128 400
FLAG -128 432 0
FLAG 96 96 1
FLAG 96 160 2
FLAG 96 224 2
FLAG 96 288 2
FLAG 352 224 6
FLAG 352 288 5
FLAG 352 160 7
FLAG 352 96 8
SYMBOL Misc\\NE555 224 192 R0
SYMATTR InstName U1
SYMBOL res -144 -160 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -144 32 R0
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL res 448 -192 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL diode 528 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMBOL cap 560 288 R0
SYMATTR InstName C1
SYMATTR Value 10u
SYMBOL cap 640 176 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 470n
SYMBOL npn 512 -144 R0
SYMATTR InstName Q1
SYMBOL voltage -272 48 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap -144 240 R0
SYMATTR InstName C3
SYMATTR Value 1u
SYMBOL res 192 -80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 5k
TEXT -288 -304 Left 2 !.tran 100ms