EESchema Schematic File Version 1 LIBS:power,./crystalosc,./atmega8x,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,./switchcontrol.cache EELAYER 23 0 EELAYER END $Descr A4 11700 8267 Sheet 1 1 Title "Switch control for a CNC desktop mill" Date "30 apr 2009" Rev "1" Comp "(c) 2009 Michael Buesch " Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Text Notes 5200 6800 0 60 ~ Reset delay Wire Wire Line 4500 6450 4650 6450 Connection ~ 6600 6850 Wire Wire Line 6600 7100 6600 6650 Wire Wire Line 5850 6450 6300 6450 Wire Wire Line 10200 5900 8150 5900 Wire Wire Line 8150 5900 8150 4050 Wire Wire Line 10200 6300 8350 6300 Wire Wire Line 8350 6300 8350 3850 Wire Wire Line 10200 6700 8550 6700 Wire Wire Line 8550 6700 8550 3650 Wire Wire Line 10200 4400 10050 4400 Wire Wire Line 10050 4400 10050 2450 Wire Wire Line 6850 3500 6850 3250 Wire Wire Line 6850 3500 7150 3500 Wire Wire Line 8550 3500 8600 3500 Wire Wire Line 5350 1650 5350 1400 Wire Wire Line 9300 2300 8900 2300 Connection ~ 6600 4950 Wire Wire Line 8050 2300 8050 3000 Wire Wire Line 8050 2300 8100 2300 Wire Wire Line 6450 2750 7600 2750 Wire Wire Line 7600 2750 7600 1350 Wire Wire Line 7600 1350 8100 1350 Wire Wire Line 6450 3050 6750 3050 Wire Wire Line 6750 3050 6750 2900 Wire Wire Line 6750 2900 7850 2900 Wire Wire Line 7850 2900 7850 2100 Wire Wire Line 7850 2100 8100 2100 Connection ~ 2750 3050 Wire Wire Line 2750 2400 2750 3050 Connection ~ 3150 2900 Wire Wire Line 3150 2400 3150 2900 Connection ~ 3350 2850 Wire Wire Line 3350 2400 3350 2850 Connection ~ 3750 2650 Wire Wire Line 3750 2400 3750 2650 Connection ~ 3550 3250 Wire Wire Line 3550 3600 3550 3250 Wire Wire Line 2000 3100 2000 3350 Wire Wire Line 2000 3100 1350 3100 Wire Wire Line 3900 2900 3900 950 Wire Wire Line 3900 2900 1350 2900 Wire Wire Line 1350 3300 1850 3300 Wire Wire Line 1850 3300 1850 3250 Wire Wire Line 1850 3250 4050 3250 Wire Wire Line 4050 3150 2300 3150 Wire Wire Line 1350 2500 2200 2500 Wire Wire Line 2200 2500 2200 2950 Wire Wire Line 1350 1700 2100 1700 Wire Wire Line 2100 1700 2100 2850 Wire Wire Line 2100 2850 4050 2850 Wire Wire Line 1900 2750 1900 2100 Wire Wire Line 1900 2750 4050 2750 Wire Wire Line 1350 3400 1400 3400 Wire Wire Line 1350 3000 1400 3000 Wire Wire Line 1350 2600 1400 2600 Wire Wire Line 1350 2200 1400 2200 Wire Wire Line 1350 1800 1400 1800 Wire Wire Line 2750 1800 2750 1900 Wire Wire Line 3150 1800 3150 1900 Wire Wire Line 3550 1800 3550 1900 Wire Wire Line 3350 4200 3350 4100 Wire Wire Line 3750 4200 3750 4100 Wire Wire Line 6750 2650 6750 950 Wire Wire Line 6750 2650 6450 2650 Wire Wire Line 6450 3750 8450 3750 Wire Wire Line 6450 3950 8250 3950 Wire Wire Line 6450 4150 8050 4150 Connection ~ 10050 2650 Wire Wire Line 7350 4950 7450 4950 Wire Wire Line 6150 1650 6250 1650 Wire Wire Line 7150 4550 7450 4550 Connection ~ 6600 4250 Wire Wire Line 6600 4550 6750 4550 Connection ~ 5250 5250 Wire Wire Line 5450 5050 5450 5250 Wire Wire Line 5450 5250 5050 5250 Wire Wire Line 4950 1750 4950 1850 Wire Wire Line 5150 1850 5150 1650 Wire Wire Line 5550 1650 5550 1850 Connection ~ 5350 1650 Wire Wire Line 4950 1250 4950 1350 Wire Wire Line 5050 5250 5050 5050 Wire Wire Line 6750 4250 6450 4250 Wire Wire Line 7400 4250 7250 4250 Wire Wire Line 6850 3250 6450 3250 Wire Wire Line 5150 1650 5750 1650 Connection ~ 5550 1650 Wire Wire Line 6600 4950 6750 4950 Connection ~ 6600 4550 Wire Wire Line 9650 2500 9650 2800 Connection ~ 9650 2650 Wire Wire Line 8150 4050 6450 4050 Wire Wire Line 8350 3850 6450 3850 Wire Wire Line 8550 3650 6450 3650 Wire Wire Line 3550 4200 3550 4100 Wire Wire Line 3750 1800 3750 1900 Wire Wire Line 3350 1800 3350 1900 Wire Wire Line 2950 1800 2950 1900 Wire Wire Line 1350 2000 1400 2000 Wire Wire Line 1350 2400 1400 2400 Wire Wire Line 1350 2800 1400 2800 Wire Wire Line 1350 3200 1400 3200 Wire Wire Line 1350 1900 2000 1900 Wire Wire Line 2000 1900 2000 2650 Wire Wire Line 2000 2650 4050 2650 Wire Wire Line 1900 2100 1350 2100 Wire Wire Line 2200 2950 4050 2950 Wire Wire Line 1350 2700 1850 2700 Wire Wire Line 1850 2700 1850 3050 Wire Wire Line 1850 3050 4050 3050 Wire Wire Line 2300 3150 2300 2300 Wire Wire Line 2300 2300 1350 2300 Wire Wire Line 2000 3350 4050 3350 Wire Wire Line 6750 950 3900 950 Wire Wire Line 3750 3600 3750 3350 Connection ~ 3750 3350 Wire Wire Line 3350 3600 3350 3150 Connection ~ 3350 3150 Wire Wire Line 3550 2400 3550 2750 Connection ~ 3550 2750 Wire Wire Line 2950 2400 2950 2950 Connection ~ 2950 2950 Wire Wire Line 6450 3150 6850 3150 Wire Wire Line 6850 3150 6850 3000 Wire Wire Line 6850 3000 7950 3000 Wire Wire Line 7950 3000 7950 2200 Wire Wire Line 7950 2200 8100 2200 Wire Wire Line 8900 2200 9050 2200 Wire Wire Line 9050 2200 9050 2800 Wire Wire Line 9050 2800 6650 2800 Wire Wire Line 6650 2800 6650 2950 Wire Wire Line 6650 2950 6450 2950 Wire Wire Line 8000 1550 8100 1550 Wire Wire Line 8900 2100 9250 2100 Wire Wire Line 5250 5250 5250 5500 Wire Wire Line 7100 3200 7150 3200 Wire Wire Line 8050 3000 9050 3000 Wire Wire Line 9050 3000 9050 5350 Wire Wire Line 9050 5350 6600 5350 Wire Wire Line 10200 4600 9650 4600 Wire Wire Line 9650 4600 9650 3300 Wire Wire Line 8450 3750 8450 6500 Wire Wire Line 8450 6500 10200 6500 Wire Wire Line 8250 3950 8250 6100 Wire Wire Line 8250 6100 10200 6100 Wire Wire Line 8050 4150 8050 5700 Wire Wire Line 8050 5700 10200 5700 Wire Wire Line 6100 6850 6100 6450 Connection ~ 6100 6450 Wire Wire Line 5350 6450 5050 6450 Wire Wire Line 6600 6250 6600 4250 Connection ~ 6600 5350 $Comp L +5V #PWR19 U 1 1 49F9D360 P 4500 6450 F 0 "#PWR19" H 4500 6540 20 0001 C C F 1 "+5V" H 4500 6540 30 0000 C C 1 4500 6450 0 -1 -1 0 $EndComp $Comp L GND #PWR24 U 1 1 49F9D344 P 6600 7100 F 0 "#PWR24" H 6600 7100 30 0001 C C F 1 "GND" H 6600 7030 30 0001 C C 1 6600 7100 1 0 0 -1 $EndComp $Comp L C C5 U 1 1 49F9D313 P 4850 6450 F 0 "C5" H 4900 6550 50 0000 L C F 1 "100uF" H 4900 6350 50 0000 L C 1 4850 6450 0 1 1 0 $EndComp $Comp L R R12 U 1 1 49F9D30B P 5600 6450 F 0 "R12" V 5680 6450 50 0000 C C F 1 "4.7k" V 5600 6450 50 0000 C C 1 5600 6450 0 1 1 0 $EndComp $Comp L R R13 U 1 1 49F9D303 P 6350 6850 F 0 "R13" V 6430 6850 50 0000 C C F 1 "47k" V 6350 6850 50 0000 C C 1 6350 6850 0 1 1 0 $EndComp $Comp L NPN Q1 U 1 1 49F9D2F6 P 6500 6450 F 0 "Q1" H 6650 6450 50 0000 C C F 1 "BC547" H 6402 6600 50 0000 C C 1 6500 6450 1 0 0 -1 $EndComp NoConn ~ 10200 4300 NoConn ~ 10200 6000 NoConn ~ 10200 6200 NoConn ~ 10200 6400 NoConn ~ 10200 6600 NoConn ~ 8550 3200 $Comp L +5V #PWR30 U 1 1 49A30BC6 P 8600 3500 F 0 "#PWR30" H 8600 3590 20 0001 C C F 1 "+5V" H 8600 3590 30 0000 C C 1 8600 3500 0 1 1 0 $EndComp $Comp L GND #PWR25 U 1 1 49A30BBE P 7100 3200 F 0 "#PWR25" H 7100 3200 30 0001 C C F 1 "GND" H 7100 3130 30 0001 C C 1 7100 3200 0 1 1 0 $EndComp $Comp L CRYSTALOSC X1 U 1 1 49A30B95 P 7850 3350 F 0 "X1" H 7850 3050 60 0000 C C F 1 "20MHz" H 7850 3350 60 0000 C C 1 7850 3350 -1 0 0 1 $EndComp $Comp L ATMEGA8-16PI I1 U 1 1 498EDA00 P 5250 3400 F 0 "I1" H 5950 4800 60 0000 C C F 1 "ATMEGA88" H 5900 1950 60 0000 C C 1 5250 3400 1 0 0 -1 $EndComp $Comp L GND #PWR32 U 1 1 498EB42B P 9300 2300 F 0 "#PWR32" H 9300 2300 30 0001 C C F 1 "GND" H 9300 2230 30 0001 C C 1 9300 2300 0 -1 -1 0 $EndComp $Comp L +5V #PWR31 U 1 1 498EB424 P 9250 2100 F 0 "#PWR31" H 9250 2190 20 0001 C C F 1 "+5V" H 9250 2190 30 0000 C C 1 9250 2100 0 1 1 0 $EndComp $Comp L GND #PWR29 U 1 1 498EB373 P 8000 1550 F 0 "#PWR29" H 8000 1550 30 0001 C C F 1 "GND" H 8000 1480 30 0001 C C 1 8000 1550 0 1 1 0 $EndComp $Comp L CONN_2 P1 U 1 1 498EB34F P 8450 1450 F 0 "P1" V 8400 1450 40 0000 C C F 1 "DEBUG" V 8500 1450 40 0000 C C 1 8450 1450 1 0 0 -1 $EndComp NoConn ~ 6450 2850 NoConn ~ 6450 3350 NoConn ~ 10200 5800 NoConn ~ 10200 5600 NoConn ~ 10200 5500 NoConn ~ 10200 5400 NoConn ~ 10200 5300 NoConn ~ 10200 5200 NoConn ~ 10200 5100 NoConn ~ 10200 5000 NoConn ~ 10200 4900 NoConn ~ 10200 4800 NoConn ~ 10200 4700 NoConn ~ 10200 4500 NoConn ~ 1350 4100 NoConn ~ 1350 4000 NoConn ~ 1350 3900 NoConn ~ 1350 3800 NoConn ~ 1350 3700 NoConn ~ 1350 3600 NoConn ~ 1350 3500 $Comp L GND #PWR9 U 1 1 498EAE81 P 1400 3400 F 0 "#PWR9" H 1400 3400 30 0001 C C F 1 "GND" H 1400 3330 30 0001 C C 1 1400 3400 0 -1 -1 0 $EndComp $Comp L GND #PWR8 U 1 1 498EAE77 P 1400 3200 F 0 "#PWR8" H 1400 3200 30 0001 C C F 1 "GND" H 1400 3130 30 0001 C C 1 1400 3200 0 -1 -1 0 $EndComp $Comp L GND #PWR7 U 1 1 498EAE72 P 1400 3000 F 0 "#PWR7" H 1400 3000 30 0001 C C F 1 "GND" H 1400 2930 30 0001 C C 1 1400 3000 0 -1 -1 0 $EndComp $Comp L GND #PWR6 U 1 1 498EAE6A P 1400 2800 F 0 "#PWR6" H 1400 2800 30 0001 C C F 1 "GND" H 1400 2730 30 0001 C C 1 1400 2800 0 -1 -1 0 $EndComp $Comp L GND #PWR5 U 1 1 498EAE66 P 1400 2600 F 0 "#PWR5" H 1400 2600 30 0001 C C F 1 "GND" H 1400 2530 30 0001 C C 1 1400 2600 0 -1 -1 0 $EndComp $Comp L GND #PWR4 U 1 1 498EAE5E P 1400 2400 F 0 "#PWR4" H 1400 2400 30 0001 C C F 1 "GND" H 1400 2330 30 0001 C C 1 1400 2400 0 -1 -1 0 $EndComp $Comp L GND #PWR3 U 1 1 498EAE57 P 1400 2200 F 0 "#PWR3" H 1400 2200 30 0001 C C F 1 "GND" H 1400 2130 30 0001 C C 1 1400 2200 0 -1 -1 0 $EndComp $Comp L GND #PWR2 U 1 1 498EAE53 P 1400 2000 F 0 "#PWR2" H 1400 2000 30 0001 C C F 1 "GND" H 1400 1930 30 0001 C C 1 1400 2000 0 -1 -1 0 $EndComp $Comp L GND #PWR1 U 1 1 498EAE46 P 1400 1800 F 0 "#PWR1" H 1400 1800 30 0001 C C F 1 "GND" H 1400 1730 30 0001 C C 1 1400 1800 0 -1 -1 0 $EndComp $Comp L +5V #PWR14 U 1 1 498EAD13 P 3350 4200 F 0 "#PWR14" H 3350 4290 20 0001 C C F 1 "+5V" H 3350 4290 30 0000 C C 1 3350 4200 -1 0 0 1 $EndComp $Comp L +5V #PWR16 U 1 1 498EAD0F P 3550 4200 F 0 "#PWR16" H 3550 4290 20 0001 C C F 1 "+5V" H 3550 4290 30 0000 C C 1 3550 4200 -1 0 0 1 $EndComp $Comp L +5V #PWR18 U 1 1 498EAD09 P 3750 4200 F 0 "#PWR18" H 3750 4290 20 0001 C C F 1 "+5V" H 3750 4290 30 0000 C C 1 3750 4200 -1 0 0 1 $EndComp $Comp L +5V #PWR10 U 1 1 498EAD02 P 2750 1800 F 0 "#PWR10" H 2750 1890 20 0001 C C F 1 "+5V" H 2750 1890 30 0000 C C 1 2750 1800 1 0 0 -1 $EndComp $Comp L +5V #PWR11 U 1 1 498EACFF P 2950 1800 F 0 "#PWR11" H 2950 1890 20 0001 C C F 1 "+5V" H 2950 1890 30 0000 C C 1 2950 1800 1 0 0 -1 $EndComp $Comp L +5V #PWR12 U 1 1 498EACFC P 3150 1800 F 0 "#PWR12" H 3150 1890 20 0001 C C F 1 "+5V" H 3150 1890 30 0000 C C 1 3150 1800 1 0 0 -1 $EndComp $Comp L +5V #PWR13 U 1 1 498EACF8 P 3350 1800 F 0 "#PWR13" H 3350 1890 20 0001 C C F 1 "+5V" H 3350 1890 30 0000 C C 1 3350 1800 1 0 0 -1 $EndComp $Comp L +5V #PWR15 U 1 1 498EACF3 P 3550 1800 F 0 "#PWR15" H 3550 1890 20 0001 C C F 1 "+5V" H 3550 1890 30 0000 C C 1 3550 1800 1 0 0 -1 $EndComp $Comp L +5V #PWR17 U 1 1 498EACEF P 3750 1800 F 0 "#PWR17" H 3750 1890 20 0001 C C F 1 "+5V" H 3750 1890 30 0000 C C 1 3750 1800 1 0 0 -1 $EndComp $Comp L R R5 U 1 1 498EACC2 P 3350 3850 F 0 "R5" V 3430 3850 50 0000 C C F 1 "1k" V 3350 3850 50 0000 C C 1 3350 3850 1 0 0 -1 $EndComp $Comp L R R7 U 1 1 498EACBE P 3550 3850 F 0 "R7" V 3630 3850 50 0000 C C F 1 "1k" V 3550 3850 50 0000 C C 1 3550 3850 1 0 0 -1 $EndComp $Comp L R R9 U 1 1 498EACAD P 3750 3850 F 0 "R9" V 3830 3850 50 0000 C C F 1 "1k" V 3750 3850 50 0000 C C 1 3750 3850 1 0 0 -1 $EndComp $Comp L R R1 U 1 1 498EAC92 P 2750 2150 F 0 "R1" V 2830 2150 50 0000 C C F 1 "1k" V 2750 2150 50 0000 C C 1 2750 2150 1 0 0 -1 $EndComp $Comp L R R2 U 1 1 498EAC8C P 2950 2150 F 0 "R2" V 3030 2150 50 0000 C C F 1 "1k" V 2950 2150 50 0000 C C 1 2950 2150 1 0 0 -1 $EndComp $Comp L R R3 U 1 1 498EAC87 P 3150 2150 F 0 "R3" V 3230 2150 50 0000 C C F 1 "1k" V 3150 2150 50 0000 C C 1 3150 2150 1 0 0 -1 $EndComp $Comp L R R4 U 1 1 498EAC82 P 3350 2150 F 0 "R4" V 3430 2150 50 0000 C C F 1 "1k" V 3350 2150 50 0000 C C 1 3350 2150 1 0 0 -1 $EndComp $Comp L R R6 U 1 1 498EAC76 P 3550 2150 F 0 "R6" V 3630 2150 50 0000 C C F 1 "1k" V 3550 2150 50 0000 C C 1 3550 2150 1 0 0 -1 $EndComp $Comp L R R8 U 1 1 498EAC70 P 3750 2150 F 0 "R8" V 3830 2150 50 0000 C C F 1 "1k" V 3750 2150 50 0000 C C 1 3750 2150 1 0 0 -1 $EndComp Text Label 1450 2900 0 31 ~ Z reference Text Label 1450 3300 0 31 ~ Z limit Text Label 1450 3100 0 31 ~ Z limit Text Label 1450 2300 0 31 ~ Y reference Text Label 1450 2700 0 31 ~ Y limit Text Label 1450 2500 0 31 ~ Y limit Text Label 1450 1700 0 31 ~ X reference Text Label 1450 2100 0 31 ~ X limit Text Label 1450 1900 0 31 ~ X limit Text Label 9350 6700 0 50 ~ Z reference Text Label 9350 6500 0 50 ~ Z limit Text Label 9350 6300 0 50 ~ Y reference Text Label 9350 6100 0 50 ~ Y limit Text Label 9350 5900 0 50 ~ X reference Text Label 9350 5700 0 50 ~ X limit $Comp L GND #PWR34 U 1 1 498EA8D5 P 10050 2450 F 0 "#PWR34" H 10050 2450 30 0001 C C F 1 "GND" H 10050 2380 30 0001 C C 1 10050 2450 -1 0 0 1 $EndComp $Comp L +5V #PWR33 U 1 1 498EA8D0 P 9650 2500 F 0 "#PWR33" H 9650 2590 20 0001 C C F 1 "+5V" H 9650 2590 30 0000 C C 1 9650 2500 1 0 0 -1 $EndComp Text Label 10050 3750 1 60 ~ GND Text Label 9650 3750 1 60 ~ VCC $Comp L C C4 U 1 1 498EA625 P 9850 2650 F 0 "C4" H 9900 2750 50 0000 L C F 1 "10u" H 9900 2550 50 0000 L C 1 9850 2650 0 1 1 0 $EndComp $Comp L R R11 U 1 1 498EA622 P 9650 3050 F 0 "R11" V 9730 3050 50 0000 C C F 1 "1" V 9650 3050 50 0000 C C 1 9650 3050 1 0 0 -1 $EndComp $Comp L GND #PWR28 U 1 1 498EA508 P 7450 4950 F 0 "#PWR28" H 7450 4950 30 0001 C C F 1 "GND" H 7450 4880 30 0001 C C 1 7450 4950 0 -1 -1 0 $EndComp $Comp L SW_PUSH SW1 U 1 1 498EA4EB P 7050 4950 F 0 "SW1" H 7200 5060 50 0000 C C F 1 "RESET_SW" H 7050 4870 50 0000 C C 1 7050 4950 1 0 0 -1 $EndComp $Comp L DB25 J1 U 1 1 498E18B4 P 900 2900 F 0 "J1" H 950 4250 70 0000 C C F 1 "To Machine" H 850 1550 70 0000 C C 1 900 2900 -1 0 0 1 $EndComp $Comp L DB25 J2 U 1 1 498E18A6 P 10650 5500 F 0 "J2" H 10700 6850 70 0000 C C F 1 "To CNC control" H 10600 4150 70 0000 C C 1 10650 5500 1 0 0 -1 $EndComp $Comp L CONN_3X2 P2 U 1 1 498E17B8 P 8500 2250 F 0 "P2" H 8500 2500 50 0000 C C F 1 "ISP" V 8500 2300 40 0000 C C 1 8500 2250 1 0 0 -1 $EndComp $Comp L GND #PWR23 U 1 1 498E1776 P 6250 1650 F 0 "#PWR23" H 6250 1650 30 0001 C C F 1 "GND" H 6250 1580 30 0001 C C 1 6250 1650 0 -1 -1 0 $EndComp $Comp L C C2 U 1 1 498E16E0 P 5950 1650 F 0 "C2" H 6000 1750 50 0000 L C F 1 "220u" H 6000 1550 50 0000 L C 1 5950 1650 0 -1 -1 0 $EndComp $Comp L GND #PWR27 U 1 1 498E15A1 P 7450 4550 F 0 "#PWR27" H 7450 4550 30 0001 C C F 1 "GND" H 7450 4480 30 0001 C C 1 7450 4550 0 -1 -1 0 $EndComp $Comp L +5V #PWR26 U 1 1 498E159B P 7400 4250 F 0 "#PWR26" H 7400 4340 20 0001 C C F 1 "+5V" H 7400 4340 30 0000 C C 1 7400 4250 0 1 1 0 $EndComp $Comp L C C3 U 1 1 498E1589 P 6950 4550 F 0 "C3" H 7000 4650 50 0000 L C F 1 "47p" H 7000 4450 50 0000 L C 1 6950 4550 0 1 1 0 $EndComp $Comp L R R10 U 1 1 498E157D P 7000 4250 F 0 "R10" V 7080 4250 50 0000 C C F 1 "1k" V 7000 4250 50 0000 C C 1 7000 4250 0 1 1 0 $EndComp NoConn ~ 4050 3950 NoConn ~ 4050 3850 $Comp L GND #PWR21 U 1 1 498E154D P 5250 5500 F 0 "#PWR21" H 5250 5500 30 0001 C C F 1 "GND" H 5250 5430 30 0001 C C 1 5250 5500 1 0 0 -1 $EndComp $Comp L GND #PWR20 U 1 1 498E150F P 4950 1250 F 0 "#PWR20" H 4950 1250 30 0001 C C F 1 "GND" H 4950 1180 30 0001 C C 1 4950 1250 -1 0 0 1 $EndComp $Comp L C C1 U 1 1 498E1505 P 4950 1550 F 0 "C1" H 5000 1650 50 0000 L C F 1 "47p" H 5000 1450 50 0000 L C 1 4950 1550 -1 0 0 1 $EndComp $Comp L +5V #PWR22 U 1 1 498E14F2 P 5350 1400 F 0 "#PWR22" H 5350 1490 20 0001 C C F 1 "+5V" H 5350 1490 30 0000 C C 1 5350 1400 1 0 0 -1 $EndComp $EndSCHEMATC