Version 4
SHEET 1 880 680
WIRE 80 16 -288 16
WIRE 320 16 80 16
WIRE 528 16 320 16
WIRE 80 32 80 16
WIRE 320 32 320 16
WIRE 320 144 320 112
WIRE 320 144 208 144
WIRE 80 192 80 96
WIRE 144 192 80 192
WIRE 320 192 320 144
WIRE -288 208 -288 16
WIRE 256 240 208 240
WIRE 528 272 528 16
WIRE 80 304 80 192
WIRE 16 352 -128 352
WIRE -128 432 -128 352
WIRE 80 432 80 400
WIRE -288 576 -288 288
WIRE -128 576 -128 512
WIRE 80 576 80 512
WIRE 320 576 320 288
WIRE 528 576 528 336
FLAG -288 576 0
FLAG -128 576 0
FLAG 80 576 0
FLAG 320 576 0
FLAG 528 576 0
FLAG 528 16 C1
FLAG -128 352 MCU
SYMBOL res 304 16 R0
SYMATTR InstName R1
SYMATTR Value 0.205
SYMBOL npn 256 192 R0
SYMATTR InstName Q1
SYMATTR Value TIP3055
SYMBOL pnp 144 240 M180
SYMATTR InstName Q2
SYMATTR Value BD140
SYMBOL LED 64 32 R0
SYMATTR InstName D1
SYMATTR Value LedRed
SYMBOL npn 16 304 R0
SYMATTR InstName Q3
SYMATTR Value BC546A
SYMBOL res 64 416 R0
SYMATTR InstName R2
SYMATTR Value 470
SYMBOL voltage -288 192 R0
WINDOW 3 25 95 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 20 -23 Left 2
SYMATTR InstName V1
SYMATTR Value 60
SYMATTR SpiceLine Rser=100K
SYMBOL voltage -128 416 R0
WINDOW 3 -38 220 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName MCU
SYMATTR Value PULSE(0 5 1 20n 20n 6m)
SYMBOL cap 544 336 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C1
SYMATTR Value 330µ
TEXT -186 72 Left 2 !.tran 0 1.007 .999