EESchema Schematic File Version 1 LIBS:power,device,conn,linear,regul,74xx,cmos4000,adc-dac,memory,xilinx,special,microcontrollers,dsp,microchip,analog_switches,motorola,texas,intel,audio,interface,digital-audio,philips,display,cypress,siliconi,contrib,valves,./headlamp-controller.cache EELAYER 23 0 EELAYER END $Descr A4 11700 8267 Sheet 1 1 Title "" Date "6 feb 2008" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Wire Wire Line 6100 1150 5800 1150 Wire Notes Line 7400 850 7400 4250 Wire Notes Line 7400 850 11050 850 Wire Notes Line 11050 850 11050 4250 Wire Notes Line 11050 4250 7400 4250 Connection ~ 7750 3400 Wire Wire Line 7750 3400 9300 3400 Wire Wire Line 9300 3400 9300 2950 Wire Wire Line 8950 2950 9150 2950 Wire Wire Line 9150 2950 9150 1900 Wire Wire Line 10250 3100 10450 3100 Wire Wire Line 10450 3100 10450 1900 Wire Wire Line 10450 1900 9150 1900 Wire Wire Line 6050 1000 5700 1000 Wire Wire Line 5700 1000 5700 1200 Wire Notes Line 10600 6200 8250 6200 Wire Notes Line 10600 6200 10600 6450 Wire Notes Line 10600 6450 8250 6450 Wire Notes Line 8250 6450 8250 6200 Wire Notes Line 8200 6350 8150 6300 Wire Notes Line 5350 2800 5400 2750 Wire Notes Line 5150 2750 5400 2750 Wire Notes Line 2050 4150 2100 4200 Wire Notes Line 2700 3550 2750 3600 Wire Notes Line 1850 5050 1850 4200 Wire Notes Line 1850 4200 2100 4200 Wire Wire Line 5500 1500 5500 2500 Wire Wire Line 4500 4200 4500 4400 Wire Wire Line 4500 4400 2300 4400 Wire Wire Line 2300 3700 2300 4000 Wire Wire Line 2300 3700 2550 3700 Connection ~ 3450 4000 Wire Wire Line 5300 4700 3450 4700 Wire Wire Line 6200 4000 6200 4100 Wire Wire Line 3350 4000 3550 4000 Connection ~ 4650 3700 Wire Wire Line 4650 3600 4650 3700 Connection ~ 4400 3700 Wire Wire Line 4400 3600 4400 3700 Wire Wire Line 5150 3600 5150 3700 Wire Wire Line 5150 3700 3900 3700 Wire Wire Line 3900 3700 3900 3600 Connection ~ 6850 3700 Wire Wire Line 6850 3600 6850 3700 Connection ~ 6350 3700 Wire Wire Line 6350 3600 6350 3700 Wire Wire Line 7100 3600 7100 3700 Wire Wire Line 7100 3700 5850 3700 Wire Wire Line 5850 3700 5850 3600 Connection ~ 4650 3100 Wire Wire Line 4650 3200 4650 3100 Connection ~ 4150 3100 Wire Wire Line 4150 3200 4150 3100 Connection ~ 5150 3100 Wire Wire Line 4900 3100 4900 3200 Wire Wire Line 5150 3100 5150 3200 Connection ~ 6100 3100 Wire Wire Line 6100 3100 6100 3200 Connection ~ 6600 3100 Wire Wire Line 6600 3100 6600 3200 Wire Wire Line 7100 3200 7100 3100 Wire Wire Line 7950 5550 8250 5550 Connection ~ 8050 7100 Wire Wire Line 8050 6650 8050 6550 Wire Wire Line 8400 6650 8400 6600 Wire Wire Line 8400 6600 7700 6600 Wire Wire Line 7700 6600 7700 6650 Connection ~ 6650 5800 Wire Wire Line 6650 5800 6400 5800 Wire Wire Line 7000 6200 6900 6200 Wire Wire Line 6900 6200 6900 6050 Wire Wire Line 6900 6050 6950 6050 Connection ~ 4250 1200 Wire Wire Line 4250 1200 4250 1500 Wire Wire Line 4250 1500 4500 1500 Connection ~ 4300 850 Wire Wire Line 4300 850 4300 1350 Wire Wire Line 4300 1350 4550 1350 Connection ~ 1100 2150 Wire Wire Line 1100 2150 2800 2150 Wire Wire Line 2800 2150 2800 1850 Connection ~ 800 850 Wire Wire Line 1250 850 1250 1100 Wire Wire Line 1250 1100 2800 1100 Wire Wire Line 2800 1450 2800 1350 Connection ~ 800 1650 Wire Wire Line 900 1650 800 1650 Wire Wire Line 800 1450 800 1800 Wire Wire Line 800 700 800 950 Wire Wire Line 1050 1950 1100 1950 Wire Wire Line 1100 1950 1100 2250 Wire Wire Line 1900 1650 1800 1650 Connection ~ 800 750 Wire Wire Line 2800 1100 2800 1250 Wire Wire Line 2400 1650 2500 1650 Connection ~ 1250 850 Wire Wire Line 5700 1200 3600 1200 Wire Wire Line 6950 5550 6900 5550 Wire Wire Line 6900 5550 6900 5400 Wire Wire Line 6900 5400 7000 5400 Wire Wire Line 6900 5500 6650 5500 Connection ~ 6900 5500 Wire Wire Line 6650 5500 6650 6100 Wire Wire Line 6650 6100 6900 6100 Connection ~ 6900 6100 Wire Wire Line 7950 6050 8050 6050 Connection ~ 8050 6600 Wire Wire Line 8400 7050 8400 7100 Wire Wire Line 8400 7100 7700 7100 Wire Wire Line 7700 7100 7700 7050 Wire Wire Line 8050 7200 8050 7050 Wire Wire Line 8250 5750 8250 5900 Wire Wire Line 6850 3100 6850 3200 Connection ~ 6850 3100 Wire Wire Line 6350 3200 6350 3100 Connection ~ 6350 3100 Wire Wire Line 5850 3200 5850 3100 Connection ~ 5850 3100 Wire Wire Line 5500 3000 5500 3100 Connection ~ 5500 3100 Wire Wire Line 3900 3200 3900 3100 Connection ~ 4900 3100 Wire Wire Line 4400 3100 4400 3200 Connection ~ 4400 3100 Wire Wire Line 3900 3100 7100 3100 Wire Wire Line 6500 3800 6500 3700 Connection ~ 6500 3700 Wire Wire Line 6100 3600 6100 3700 Connection ~ 6100 3700 Wire Wire Line 6600 3600 6600 3700 Connection ~ 6600 3700 Wire Wire Line 4500 3800 4500 3700 Connection ~ 4500 3700 Wire Wire Line 4150 3600 4150 3700 Connection ~ 4150 3700 Wire Wire Line 4900 3600 4900 3700 Connection ~ 4900 3700 Wire Wire Line 4050 4000 4200 4000 Wire Wire Line 6200 4600 6200 4700 Wire Wire Line 2300 4000 2450 4000 Wire Wire Line 3050 3700 3450 3700 Wire Wire Line 3450 3700 3450 4700 Wire Wire Line 6500 4200 6500 4900 Wire Wire Line 6500 4900 2300 4900 Wire Wire Line 2300 4900 2300 4400 Wire Notes Line 750 5050 750 3500 Wire Notes Line 750 3500 2750 3500 Wire Notes Line 2750 3500 2750 3600 Wire Notes Line 4500 5050 550 5050 Wire Notes Line 4500 5050 4500 5400 Wire Notes Line 4500 5400 550 5400 Wire Notes Line 550 5400 550 5050 Wire Notes Line 2750 3600 2800 3550 Wire Notes Line 2100 4200 2050 4250 Wire Notes Line 5400 2750 5350 2700 Wire Notes Line 8250 6300 8150 6300 Wire Notes Line 8150 6300 8200 6250 Wire Notes Line 2950 2650 5150 2650 Wire Notes Line 2950 2650 2950 2900 Wire Notes Line 2950 2900 5150 2900 Wire Notes Line 5150 2900 5150 2650 Wire Wire Line 6100 850 800 850 Wire Wire Line 7050 1000 7300 1000 Wire Wire Line 7300 1000 7300 5200 Wire Wire Line 7300 5200 6400 5200 Wire Wire Line 6400 5200 6400 5800 Wire Wire Line 10300 2950 10450 2950 Connection ~ 10450 2950 Wire Wire Line 7950 2950 7750 2950 Wire Wire Line 7750 2950 7750 3550 Wire Notes Line 11100 800 7350 800 Wire Notes Line 11100 800 11100 4300 Wire Notes Line 11100 4300 7350 4300 Wire Notes Line 7350 4300 7350 800 Wire Wire Line 4250 1650 4550 1650 Text Label 5850 1150 0 59 ~ Off Text Label 5750 1000 0 59 ~ Auto Text Label 5900 850 0 59 ~ On Text Label 4350 1650 0 59 ~ Off Text Label 4400 1350 0 59 ~ On Text Label 4300 1500 0 59 ~ Auto Text Notes 7650 4150 0 59 ~ will remain turned off... saving power. Text Notes 7650 4050 0 59 ~ the High/Low switch in the "On" position, the IC Text Notes 7650 3950 0 59 ~ wired up as per normal. Thus, when putting Text Notes 7650 3850 0 59 ~ The other pole in the DP3T switches is Text Notes 7550 3650 0 59 ~ To controller PCB $Comp L +6V #PWR? U 1 1 47A9C41C P 9150 1900 F 0 "#PWR?" H 9150 2030 20 0001 C C F 1 "+6V" H 9150 2000 30 0000 C C 1 9150 1900 1 0 0 -1 $EndComp $Comp L DP3T Warning~LEDs U 1 1 47A9C3E8 P 9800 2700 F 0 "Warning LEDs" H 9800 3250 70 0000 C C F 1 "DP3T" H 9800 2200 70 0000 C C 1 9800 2700 1 0 0 -1 $EndComp $Comp L DP3T High/Low~Beam U 1 1 47A9C3E4 P 8450 2700 F 0 "High/Low Beam" H 8450 3250 70 0000 C C F 1 "DP3T" H 8450 2200 70 0000 C C 1 8450 2700 1 0 0 -1 $EndComp Text Notes 7650 1600 0 59 ~ to use the following connection arrangement: Text Notes 7650 1500 0 59 ~ As such, using DP3T switches, you may like Text Notes 7800 1350 0 59 ~ (2) Warning LEDs are turned on, or in "AUTO" mode Text Notes 7800 1250 0 59 ~ (1) High or low beam is in "AUTO" mode Text Notes 7650 1150 0 59 ~ The IC in this circuit only needs power when: Text Notes 7500 1000 0 79 ~ Tip when connecting power: Text Notes 5750 2900 0 60 ~ two banks. Text Notes 5700 2800 0 60 ~ LEDs are divided into Text Notes 5750 2700 0 60 ~ 12 Red high-intensity Text Notes 8750 5700 0 60 ~ connects to these points for power. Text Notes 8750 5600 0 60 ~ Constant-Current Supply for 1W LED Text Notes 7400 7350 0 60 ~ Low-beam LEDs (White) Text Notes 10750 7650 0 60 ~ 3 Text Notes 7500 7550 0 60 ~ Hard Hat headlamp controller Text Notes 8250 6400 0 60 ~ 3 LEDs in parallel of chosen type. Text Notes 8250 6300 0 60 ~ Substitute for value appropriate for Text Notes 3650 2850 0 60 ~ for 6 LEDs in parallel. Text Notes 3000 2750 0 60 ~ Substitute for value appropriate Text Notes 600 5350 0 60 ~ of oscillation, if desired. Text Notes 600 5250 0 60 ~ be substituted for other values to achieve different rates Text Notes 600 5150 0 60 ~ 9.6k resistor and 33uF capacitor may Text Label 4550 1200 0 60 ~ Switched VCC Text Label 2150 850 0 60 ~ VCC Rail $Comp L C C? U 1 1 47A9BF3A P 2300 4200 F 0 "C?" H 2350 4300 50 0000 L C F 1 "33u" H 2350 4100 50 0000 L C 1 2300 4200 1 0 0 -1 $EndComp $Comp L R R? U 1 1 47A9BF33 P 2800 3700 F 0 "R?" V 2880 3700 50 0000 C C F 1 "9.6k" V 2800 3700 50 0000 C C 1 2800 3700 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDCD P 5850 3400 F 0 "D?" H 5850 3500 50 0000 C C F 1 "LED" H 5850 3300 50 0000 C C 1 5850 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDCA P 6100 3400 F 0 "D?" H 6100 3500 50 0000 C C F 1 "LED" H 6100 3300 50 0000 C C 1 6100 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDC8 P 6350 3400 F 0 "D?" H 6350 3500 50 0000 C C F 1 "LED" H 6350 3300 50 0000 C C 1 6350 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDC4 P 6600 3400 F 0 "D?" H 6600 3500 50 0000 C C F 1 "LED" H 6600 3300 50 0000 C C 1 6600 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDC1 P 6850 3400 F 0 "D?" H 6850 3500 50 0000 C C F 1 "LED" H 6850 3300 50 0000 C C 1 6850 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDBE P 7100 3400 F 0 "D?" H 7100 3500 50 0000 C C F 1 "LED" H 7100 3300 50 0000 C C 1 7100 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDBB P 5150 3400 F 0 "D?" H 5150 3500 50 0000 C C F 1 "LED" H 5150 3300 50 0000 C C 1 5150 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDB8 P 4900 3400 F 0 "D?" H 4900 3500 50 0000 C C F 1 "LED" H 4900 3300 50 0000 C C 1 4900 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDB2 P 4650 3400 F 0 "D?" H 4650 3500 50 0000 C C F 1 "LED" H 4650 3300 50 0000 C C 1 4650 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDAF P 4400 3400 F 0 "D?" H 4400 3500 50 0000 C C F 1 "LED" H 4400 3300 50 0000 C C 1 4400 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDAC P 4150 3400 F 0 "D?" H 4150 3500 50 0000 C C F 1 "LED" H 4150 3300 50 0000 C C 1 4150 3400 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BDAA P 3900 3400 F 0 "D?" H 3900 3500 50 0000 C C F 1 "LED" H 3900 3300 50 0000 C C 1 3900 3400 0 1 1 0 $EndComp $Comp L GND #PWR? U 1 1 47A9BD57 P 8250 5900 F 0 "#PWR?" H 8250 5900 30 0001 C C F 1 "GND" H 8250 5830 30 0001 C C 1 8250 5900 1 0 0 -1 $EndComp $Comp L GND #PWR? U 1 1 47A9BD48 P 8050 7200 F 0 "#PWR?" H 8050 7200 30 0001 C C F 1 "GND" H 8050 7130 30 0001 C C 1 8050 7200 1 0 0 -1 $EndComp $Comp L CONN_2 P? U 1 1 47A9BCE3 P 8600 5650 F 0 "P?" V 8550 5650 40 0000 C C F 1 "High-Beam" H 8600 5450 40 0000 C C 1 8600 5650 1 0 0 -1 $EndComp $Comp L LED D? U 1 1 47A9BC99 P 8050 6850 F 0 "D?" H 8050 6950 50 0000 C C F 1 "LED" H 8050 6750 50 0000 C C 1 8050 6850 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BC95 P 8400 6850 F 0 "D?" H 8400 6950 50 0000 C C F 1 "LED" H 8400 6750 50 0000 C C 1 8400 6850 0 1 1 0 $EndComp $Comp L LED D? U 1 1 47A9BC90 P 7700 6850 F 0 "D?" H 7700 6950 50 0000 C C F 1 "LED" H 7700 6750 50 0000 C C 1 7700 6850 0 1 1 0 $EndComp $Comp L DP3T High/Low~Beam~Select U 1 1 47A9BBE6 P 7450 5800 F 0 "High/Low Beam Select" H 7750 6300 70 0000 C C F 1 "DP3T" H 7450 5325 70 0000 C C 1 7450 5800 -1 0 0 1 $EndComp $Comp L REED_RELAY K? U 1 1 47A9B6B5 P 3200 1000 F 0 "K?" H 3210 1040 70 0000 C C F 1 "REED_RELAY" H 3240 530 70 0000 C C 1 3200 1000 1 0 0 -1 $EndComp $Comp L SP3T Warning U 1 1 47A9B52E P 5000 1500 F 0 "Warning" H 4750 1650 70 0000 C C F 1 "SP3T" H 4850 1350 70 0000 C C 1 5000 1500 -1 0 0 1 $EndComp $Comp L SP3T High/Low~Beam U 1 1 47A9B52A P 6550 1000 F 0 "High/Low Beam" H 6450 1250 70 0000 C C F 1 "SP3T" H 6350 850 70 0000 C C 1 6550 1000 -1 0 0 1 $EndComp $Comp L LDR R? U 1 1 47A9B51E P 800 1200 F 0 "R?" V 880 1200 50 0000 C C F 1 "LDR" V 800 1200 50 0000 C C 1 800 1200 1 0 0 -1 $EndComp $Comp L POT RV? U 1 1 47A9AC90 P 800 1950 F 0 "RV?" H 800 1850 50 0000 C C F 1 "1M" H 800 1950 50 0000 C C 1 800 1950 1 0 0 -1 $EndComp $Comp L NPN Q? U 1 1 47A9ABFF P 4400 4000 F 0 "Q?" H 4550 4000 50 0000 C C F 1 "NPN" H 4302 4150 50 0000 C C 1 4400 4000 1 0 0 -1 $EndComp $Comp L NPN Q? U 1 1 47A9ABFC P 6400 4000 F 0 "Q?" H 6550 4000 50 0000 C C F 1 "NPN" H 6302 4150 50 0000 C C 1 6400 4000 1 0 0 -1 $EndComp $Comp L NPN Q? U 1 1 47A9ABFA P 2700 1650 F 0 "Q?" H 2850 1650 50 0000 C C F 1 "NPN" H 2602 1800 50 0000 C C 1 2700 1650 1 0 0 -1 $EndComp $Comp L 74HC14 U? U 3 2 47A9ABD2 P 5750 4700 F 0 "U?" H 5900 4800 40 0000 C C F 1 "74HC14" H 5950 4600 40 0000 C C 3 5750 4700 1 0 0 -1 $EndComp $Comp L 74HC14 U? U 2 1 47A9ABBE P 2900 4000 F 0 "U?" H 3050 4100 40 0000 C C F 1 "74HC14" H 3100 3900 40 0000 C C 2 2900 4000 1 0 0 -1 $EndComp $Comp L 74HC14 U? U 1 1 47A9AB9B P 1350 1650 F 0 "U?" H 1500 1750 40 0000 C C F 1 "74HC14" H 1550 1550 40 0000 C C 1 1350 1650 1 0 0 -1 $EndComp $Comp L R R? U 1 1 47A9AB7E P 6200 4350 F 0 "R?" V 6280 4350 50 0000 C C F 1 "1k" V 6200 4350 50 0000 C C 1 6200 4350 -1 0 0 1 $EndComp $Comp L R R? U 1 1 47A9AB7B P 2150 1650 F 0 "R?" V 2230 1650 50 0000 C C F 1 "1k" V 2150 1650 50 0000 C C 1 2150 1650 0 1 1 0 $EndComp $Comp L R R? U 1 1 47A9AB78 P 8050 6300 F 0 "R?" V 8130 6300 50 0000 C C F 1 "R" V 8050 6300 50 0000 C C 1 8050 6300 1 0 0 -1 $EndComp $Comp L R R? U 1 1 47A9AB74 P 5500 2750 F 0 "R?" V 5580 2750 50 0000 C C F 1 "R" V 5500 2750 50 0000 C C 1 5500 2750 1 0 0 -1 $EndComp $Comp L R R? U 1 1 47A9AB70 P 3800 4000 F 0 "R?" V 3880 4000 50 0000 C C F 1 "1k" V 3800 4000 50 0000 C C 1 3800 4000 0 1 1 0 $EndComp $Comp L GND #PWR? U 1 1 47A9A9DD P 1100 2250 F 0 "#PWR?" H 1100 2250 30 0001 C C F 1 "GND" H 1100 2180 30 0001 C C 1 1100 2250 1 0 0 -1 $EndComp $Comp L +6V #PWR? U 1 1 47A9A9CC P 800 700 F 0 "#PWR?" H 800 830 20 0001 C C F 1 "+6V" H 800 800 30 0000 C C 1 800 700 1 0 0 -1 $EndComp $EndSCHEMATC