Version 4 SHEET 1 1104 680 WIRE 128 32 -16 32 WIRE 336 32 128 32 WIRE 352 32 336 32 WIRE 480 32 352 32 WIRE -16 48 -16 32 WIRE 352 48 352 32 WIRE 480 48 480 32 WIRE 128 80 128 32 WIRE -16 144 -16 128 WIRE 240 144 192 144 WIRE 352 144 352 112 WIRE 352 144 320 144 WIRE 480 144 480 128 WIRE 480 144 352 144 WIRE 192 160 192 144 WIRE 128 192 128 160 WIRE 160 192 128 192 WIRE 128 208 128 192 WIRE 192 240 192 224 WIRE 80 304 80 256 WIRE 128 304 128 288 WIRE 128 304 80 304 WIRE 128 336 128 304 FLAG 192 240 0 FLAG -16 144 0 FLAG 192 144 Ref FLAG 128 336 0 FLAG 336 32 Vbat SYMBOL battery -16 32 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 -144 150 Left 2 SYMATTR Value PULSE(0 15v 0 100ms) SYMATTR InstName V1 SYMBOL res 336 128 R90 WINDOW 0 62 59 VBottom 2 WINDOW 3 -29 60 VTop 2 SYMATTR InstName R4 SYMATTR Value 1.5k SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL References\\tl431a 176 160 R0 SYMATTR InstName U1 SYMBOL res 144 176 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R2 SYMATTR Value 22.6K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL LED 336 48 R0 SYMATTR InstName D1 SYMATTR Value NSCW100 SYMATTR Description Diode SYMATTR Type diode SYMBOL pot 144 192 M0 WINDOW 3 79 68 Left 2 SYMATTR Value Rtot=10K wiper=.51 SYMATTR InstName U2 SYMBOL res 464 32 R0 SYMATTR InstName R1 SYMATTR Value 2k TEXT -24 344 Left 2 !.tran .1 TEXT 328 80 Right 2 ;CHGD