Version 4 SHEET 1 1152 680 WIRE -128 -64 -288 -64 WIRE 96 -64 -128 -64 WIRE 112 -64 96 -64 WIRE 352 -64 256 -64 WIRE 352 64 352 -64 WIRE 848 64 352 64 WIRE 352 112 352 64 WIRE -288 160 -288 -64 WIRE 96 192 64 192 WIRE 352 192 256 192 WIRE 384 192 352 192 WIRE 64 224 64 192 WIRE 1040 288 1040 64 WIRE 64 416 64 384 FLAG -288 240 0 FLAG 64 496 0 FLAG 64 384 VDD IOPIN 64 384 Out FLAG 384 192 VDD IOPIN 384 192 In FLAG 1040 288 0 FLAG -128 -64 TTL FLAG 64 224 0 SYMBOL voltage -288 144 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 -135 132 Left 2 WINDOW 0 16 54 Left 2 SYMATTR Value PULSE(0.8 2 0 0.0000000025 0.0000000025 0.000005 0.00001) SYMATTR InstName TTL_Pegel SYMBOL voltage 64 400 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 27 89 Left 2 SYMATTR Value 12 SYMATTR InstName 3.3V-15V_Netz SYMBOL LED 976 80 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 912 80 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED 848 80 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL res 368 208 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R1 SYMATTR Value 330 SYMBOL Misc\\ULN2803m 176 32 R0 SYMATTR InstName X1 TEXT 336 400 Left 2 !.tran 0 0.00003 0