Version 4
Blinking led
SHEET 1 880 772
WIRE 336 0 -32 0
WIRE 528 0 336 0
WIRE 336 64 336 0
WIRE 528 64 528 0
WIRE 272 112 176 112
WIRE 608 112 592 112
WIRE -32 208 -32 0
WIRE 336 240 336 160
WIRE 336 240 288 240
WIRE 400 240 336 240
WIRE 608 240 608 112
WIRE 608 240 464 240
WIRE 688 240 608 240
WIRE 688 256 688 240
WIRE 176 272 176 112
WIRE 400 352 176 352
WIRE 288 368 288 240
WIRE 400 368 400 352
WIRE 528 368 528 160
WIRE 528 368 464 368
WIRE 528 384 528 368
WIRE 560 384 528 384
WIRE 288 512 288 448
WIRE 560 512 560 464
WIRE -32 656 -32 288
WIRE 176 656 176 352
WIRE 176 656 -32 656
WIRE 288 656 288 576
WIRE 288 656 176 656
WIRE 560 656 560 576
WIRE 560 656 288 656
WIRE 688 656 688 336
WIRE 688 656 560 656
SYMBOL pnp 272 160 M180
SYMATTR InstName Q1
SYMBOL pnp 592 160 R180
SYMATTR InstName Q2
SYMATTR Value 2N2907
SYMBOL polcap 400 256 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 10µ
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=0 Rser=4 Lser=0 mfg="AVX" pn="TAJA106M006" type="Tantalum"
SYMBOL polcap 464 352 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 10µ
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=0 Rser=4 Lser=0 mfg="AVX" pn="TAJA106M006" type="Tantalum"
SYMBOL res 160 256 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 272 352 R0
SYMATTR InstName R2
SYMATTR Value 475
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 544 368 R0
SYMATTR InstName R3
SYMATTR Value 475
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 672 240 R0
SYMATTR InstName R4
SYMATTR Value 100K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL LED 272 512 R0
SYMATTR InstName D1
SYMBOL LED 544 512 R0
SYMATTR InstName D2
SYMBOL voltage -32 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 9
TEXT -66 666 Left 2 !.tran 60