Version 4
SHEET 1 880 680
WIRE 0 0 -64 0
WIRE 368 0 0 0
WIRE 464 0 368 0
WIRE -64 16 -64 0
WIRE 112 64 64 64
WIRE 368 64 368 0
WIRE 368 64 336 64
WIRE 64 80 64 64
WIRE 464 96 464 80
WIRE 464 96 368 96
WIRE 464 112 464 96
WIRE 112 128 16 128
WIRE 368 128 368 96
WIRE 368 128 336 128
WIRE 112 192 -80 192
WIRE 400 192 336 192
WIRE 464 192 400 192
WIRE 464 208 464 192
WIRE 512 208 464 208
WIRE 16 224 16 128
WIRE 400 224 400 192
WIRE 400 224 16 224
WIRE 0 256 0 0
WIRE 112 256 0 256
WIRE 432 256 336 256
WIRE 512 288 512 272
WIRE -80 304 -80 272
FLAG -64 96 0
FLAG 64 80 0
FLAG 432 320 0
FLAG 512 288 0
FLAG -80 304 0
SYMBOL voltage -64 0 R0
WINDOW 3 24 44 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value 5
SYMATTR InstName V1
SYMBOL Misc\\NE555 224 160 R0
SYMATTR InstName U1
SYMBOL cap 416 256 R0
SYMATTR InstName C1
SYMATTR Value 10nF
SYMBOL res 448 -16 R0
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL res 448 96 R0
SYMATTR InstName R2
SYMATTR Value 10
SYMBOL cap 496 208 R0
SYMATTR InstName C2
SYMATTR Value .00005F
SYMBOL res -96 176 R0
SYMATTR InstName R3
SYMATTR Value 100
TEXT -64 288 Left 0 !.tran .1