| Version 4 | |
| LED pulse | |
| SHEET 1 880 680 | |
| WIRE 64 -80 -240 -80 | |
| WIRE 448 -80 64 -80 | |
| WIRE -144 -16 -368 -16 | |
| WIRE 112 -16 -144 -16 | |
| WIRE 112 16 112 -16 | |
| WIRE 416 16 112 16 | |
| WIRE -240 32 -240 -80 | |
| WIRE -208 32 -240 32 | |
| WIRE 160 64 144 64 | |
| WIRE 416 64 416 16 | |
| WIRE 416 64 384 64 | |
| WIRE 0 96 -64 96 | |
| WIRE 64 96 64 -80 | |
| WIRE 64 96 0 96 | |
| WIRE -64 112 -64 96 | |
| WIRE -368 128 -368 -16 | |
| WIRE 64 128 64 96 | |
| WIRE 160 128 64 128 | |
| WIRE -144 144 -144 80 | |
| WIRE 0 192 0 176 | |
| WIRE 160 192 0 192 | |
| WIRE 448 192 448 -80 | |
| WIRE 448 192 384 192 | |
| WIRE 112 256 112 16 | |
| WIRE 160 256 112 256 | |
| WIRE -144 288 -144 224 | |
| WIRE -368 368 -368 208 | |
| WIRE -144 368 -144 352 | |
| WIRE -144 368 -368 368 | |
| WIRE -64 368 -64 176 | |
| WIRE -64 368 -144 368 | |
| WIRE 144 368 144 64 | |
| WIRE 144 368 -64 368 | |
| WIRE -144 400 -144 368 | |
| FLAG -144 400 0 | |
| SYMBOL Misc\\NE555 272 160 R0 | |
| SYMATTR InstName U1 | |
| SYMBOL npn -208 -16 R0 | |
| SYMATTR InstName Q1 | |
| SYMATTR Value 2N2222 | |
| SYMBOL res -160 128 R0 | |
| SYMATTR InstName R1 | |
| SYMATTR Value 330 | |
| SYMBOL res -16 80 R0 | |
| SYMATTR InstName R2 | |
| SYMATTR Value 10k | |
| SYMBOL polcap -80 112 R0 | |
| WINDOW 3 26 51 Left 2 | |
| SYMATTR InstName C1 | |
| SYMATTR Value 100� | |
| SYMATTR Description Capacitor | |
| SYMATTR Type cap | |
| SYMATTR SpiceLine V=16 Irms=0 Rser=0.9 Lser=0 mfg="AVX" pn="TAJE107K016" type="Tantalum" | |
| SYMBOL LED -160 288 R0 | |
| SYMATTR InstName D1 | |
| SYMBOL voltage -368 112 R0 | |
| WINDOW 123 0 0 Left 0 | |
| WINDOW 39 0 0 Left 0 | |
| SYMATTR InstName V1 | |
| SYMATTR Value 9 | |
| TEXT -368 408 Left 2 !.tran 60 | |