Version 4
SHEET 1 916 680
WIRE 224 -112 176 -112
WIRE -736 -64 -784 -64
WIRE 176 -64 176 -112
WIRE 352 -64 176 -64
WIRE 512 -64 352 -64
WIRE 176 -32 176 -64
WIRE 352 -32 352 -64
WIRE -784 16 -784 -64
WIRE -672 16 -784 16
WIRE -528 16 -592 16
WIRE -512 16 -528 16
WIRE 512 16 512 -64
WIRE 144 64 64 64
WIRE -784 80 -784 16
WIRE 144 80 144 64
WIRE 176 80 176 48
WIRE 176 80 144 80
WIRE 304 80 176 80
WIRE -528 96 -528 16
WIRE -320 96 -528 96
WIRE -272 96 -320 96
WIRE -320 112 -320 96
WIRE -272 112 -272 96
WIRE -32 112 -96 112
WIRE 0 112 -32 112
WIRE -320 192 -320 176
WIRE -320 192 -528 192
WIRE -272 192 -272 176
WIRE -272 192 -320 192
WIRE -32 192 -96 192
WIRE 64 192 64 160
WIRE 64 192 -32 192
WIRE 352 192 352 160
WIRE 352 192 64 192
WIRE 512 192 512 96
WIRE 512 192 352 192
WIRE -784 208 -784 160
WIRE -672 208 -784 208
WIRE -528 208 -528 192
WIRE -528 208 -592 208
WIRE 512 224 512 192
WIRE -528 240 -528 208
WIRE -512 240 -528 240
WIRE -784 272 -784 208
WIRE -784 368 -784 352
FLAG -784 368 0
FLAG -512 16 TP_A
IOPIN -512 16 BiDir
FLAG 512 224 0
FLAG 304 80 PIC_in
IOPIN 304 80 BiDir
FLAG -736 -64 AC_MAINS
IOPIN -736 -64 BiDir
FLAG -512 240 TP_B
IOPIN -512 240 BiDir
FLAG 224 -112 PIC_5V_SUPPLY
IOPIN 224 -112 BiDir
SYMBOL res -576 0 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 68k
SYMBOL voltage -784 64 R0
WINDOW 3 -67 181 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value SINE(0 340 50)
SYMATTR InstName V1
SYMBOL voltage 512 0 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res 160 -48 R0
SYMATTR InstName R2
SYMATTR Value 5k
SYMBOL res -800 256 R0
SYMATTR InstName R3
SYMATTR Value .1
SYMBOL diode -288 112 R0
WINDOW 3 -25 123 Left 2
SYMATTR InstName D1
SYMATTR Value kenLED
SYMBOL diode -304 176 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -16 -38 Left 2
SYMATTR InstName D2
SYMATTR Value kenLED
SYMBOL bi -32 192 R180
WINDOW 0 4 39 Left 2
WINDOW 3 -67 145 Left 2
SYMATTR InstName B1
SYMATTR Value I=I(D2)*1.9
SYMBOL npn 0 64 R0
WINDOW 0 33 32 Left 2
WINDOW 3 27 56 Left 2
SYMATTR InstName Q1
SYMATTR Value BC847A
SYMBOL bi -96 192 R180
WINDOW 0 6 40 Left 2
WINDOW 3 -55 121 Left 2
SYMATTR InstName B2
SYMATTR Value I=I(D1)*1.9
SYMBOL res -576 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 68k
TEXT -840 -104 Left 4 ;240VAC 50Hz
TEXT -744 368 Left 2 !.tran 0 50m 0 100u
TEXT 328 8 Left 4 ;PIC
TEXT -736 320 Left 2 ;earth only here\n to make sim run
TEXT -352 304 Left 2 !.model kenLED D(Ron=1 Roff=1Meg Vfwd= 1.2)
TEXT -200 208 Left 2 ;light!
TEXT -368 -8 Left 2 ;Crude AC input opto coupler with \nCTR of 200 at 1mA input
TEXT -672 64 Left 2 ;<250mW
TEXT -672 160 Left 2 ;<250mW
LINE Normal -192 176 -240 192
LINE Normal -208 176 -192 176
LINE Normal -192 176 -208 176
LINE Normal -208 192 -192 176
LINE Normal -192 144 -240 160
LINE Normal -208 144 -192 144
LINE Normal -192 144 -208 144
LINE Normal -208 160 -192 144
LINE Normal -192 112 -240 128
LINE Normal -208 112 -192 112
LINE Normal -192 112 -208 112
LINE Normal -208 128 -192 112
RECTANGLE Normal 416 160 288 -32
RECTANGLE Normal 576 432 -864 -160
RECTANGLE Normal 112 288 -384 -32