EESchema Schematic File Version 2 LIBS:watschn LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:special LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves EELAYER 27 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "7 jun 2014" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L ATMEGA328-P IC1 U 1 1 53580F3E P 4850 3650 F 0 "IC1" H 4100 4900 40 0000 L BNN F 1 "ATMEGA328-P" H 5250 2250 40 0000 L BNN F 2 "DIL28" H 4850 3650 30 0000 C CIN F 3 "" H 4850 3650 60 0000 C CNN 1 4850 3650 1 0 0 -1 $EndComp $Comp L STP_CTRL P2 U 1 1 53581133 P 7450 1650 F 0 "P2" H 7500 1950 60 0000 C CNN F 1 "STP_CTRL" V 7500 1650 50 0000 C CNN F 2 "~" H 7650 1650 60 0000 C CNN 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"~" H 3300 5700 60 0000 C CNN F 3 "~" H 3300 5700 60 0000 C CNN 1 3300 5700 0 -1 -1 0 $EndComp Wire Wire Line 3000 4900 3000 5300 Wire Wire Line 3300 5500 3300 5400 Connection ~ 3300 5400 Wire Wire Line 3000 5700 3000 6100 Wire Wire Line 3300 5900 3300 6100 $Comp L GND #PWR05 U 1 1 536188D4 P 3000 6100 F 0 "#PWR05" H 3000 6100 30 0001 C CNN F 1 "GND" H 3000 6030 30 0001 C CNN F 2 "" H 3000 6100 60 0000 C CNN F 3 "" H 3000 6100 60 0000 C CNN 1 3000 6100 1 0 0 -1 $EndComp $Comp L GND #PWR06 U 1 1 536188E1 P 3300 6100 F 0 "#PWR06" H 3300 6100 30 0001 C CNN F 1 "GND" H 3300 6030 30 0001 C CNN F 2 "" H 3300 6100 60 0000 C CNN F 3 "" H 3300 6100 60 0000 C CNN 1 3300 6100 1 0 0 -1 $EndComp Wire Wire Line 3600 5500 3600 5400 Connection ~ 3600 5400 Connection ~ 3000 2550 Wire Wire Line 2750 2550 3950 2550 Wire Wire Line 3250 2950 3250 2850 Connection ~ 3250 2850 Wire Wire Line 3250 3350 3250 3450 $Comp L GND #PWR07 U 1 1 53618A37 P 3250 3450 F 0 "#PWR07" H 3250 3450 30 0001 C CNN F 1 "GND" H 3250 3380 30 0001 C CNN F 2 "" H 3250 3450 60 0000 C CNN F 3 "" H 3250 3450 60 0000 C CNN 1 3250 3450 1 0 0 -1 $EndComp Wire Wire Line 2650 2800 2650 5200 Wire Wire Line 7250 3150 7250 2900 Wire Wire Line 7250 2900 7600 2900 Wire Wire Line 7250 3500 7600 3500 Wire Wire Line 7250 3500 7250 3250 $Comp L C C4 U 1 1 53618B78 P 7800 2900 F 0 "C4" H 7800 3000 40 0000 L CNN F 1 "22p" H 7806 2815 40 0000 L CNN F 2 "~" H 7838 2750 30 0000 C CNN F 3 "~" H 7800 2900 60 0000 C CNN 1 7800 2900 0 -1 -1 0 $EndComp $Comp L C C5 U 1 1 53618B85 P 7800 3500 F 0 "C5" H 7800 3600 40 0000 L CNN F 1 "22p" H 7806 3415 40 0000 L CNN F 2 "~" H 7838 3350 30 0000 C CNN F 3 "~" H 7800 3500 60 0000 C CNN 1 7800 3500 0 -1 -1 0 $EndComp Wire Wire Line 8000 2900 8000 4200 Connection ~ 8000 3500 $Comp L CP1 C2 U 1 1 53618C4B P 3250 3150 F 0 "C2" H 3300 3250 50 0000 L CNN F 1 "10u" H 3300 3050 50 0000 L CNN F 2 "~" H 3250 3150 60 0000 C CNN F 3 "~" H 3250 3150 60 0000 C CNN 1 3250 3150 1 0 0 -1 $EndComp $Comp L C C3 U 1 1 53618C72 P 3600 3150 F 0 "C3" H 3600 3250 40 0000 L CNN F 1 "100n" H 3606 3065 40 0000 L CNN F 2 "~" H 3638 3000 30 0000 C CNN F 3 "~" H 3600 3150 60 0000 C CNN 1 3600 3150 1 0 0 -1 $EndComp Wire Wire Line 3600 2850 3600 2950 Connection ~ 3600 2850 Wire Wire Line 3600 3350 3600 3450 $Comp L GND #PWR08 U 1 1 53618CD3 P 3600 3450 F 0 "#PWR08" H 3600 3450 30 0001 C CNN F 1 "GND" H 3600 3380 30 0001 C CNN F 2 "" H 3600 3450 60 0000 C CNN F 3 "" H 3600 3450 60 0000 C CNN 1 3600 3450 1 0 0 -1 $EndComp Wire Wire Line 8000 4000 7800 4000 $Comp L GND #PWR09 U 1 1 53618D51 P 8000 4200 F 0 "#PWR09" H 8000 4200 30 0001 C CNN F 1 "GND" H 8000 4130 30 0001 C CNN F 2 "" H 8000 4200 60 0000 C CNN F 3 "" H 8000 4200 60 0000 C CNN 1 8000 4200 1 0 0 -1 $EndComp Connection ~ 8000 4000 $Comp L R R2 U 1 1 53618E1F P 5750 5300 F 0 "R2" V 5830 5300 40 0000 C CNN F 1 "68" V 5757 5301 40 0000 C CNN F 2 "~" V 5680 5300 30 0000 C CNN F 3 "~" H 5750 5300 30 0000 C CNN 1 5750 5300 0 -1 -1 0 $EndComp $Comp L R R1 U 1 1 53618E32 P 5750 5400 F 0 "R1" V 5650 5400 40 0000 C CNN F 1 "68" V 5757 5401 40 0000 C CNN F 2 "~" V 5680 5400 30 0000 C CNN F 3 "~" H 5750 5400 30 0000 C CNN 1 5750 5400 0 -1 -1 0 $EndComp Text Label 5000 5300 0 60 ~ 0 D- Text Label 5000 5400 0 60 ~ 0 D+ Wire Wire Line 6900 4550 6900 5300 Wire Wire Line 6900 5300 6000 5300 $Comp L JUMPER JP2 U 1 1 53618FED P 7500 4850 F 0 "JP2" H 7500 5000 60 0000 C CNN F 1 "JUMPER" H 7500 4770 40 0000 C CNN F 2 "~" H 7500 4850 60 0000 C CNN F 3 "~" H 7500 4850 60 0000 C CNN 1 7500 4850 1 0 0 -1 $EndComp Wire Wire Line 7800 4850 8000 4850 Wire Wire Line 8000 4850 8000 5050 $Comp L GND #PWR010 U 1 1 53619068 P 8000 5050 F 0 "#PWR010" H 8000 5050 30 0001 C CNN F 1 "GND" H 8000 4980 30 0001 C CNN F 2 "" H 8000 5050 60 0000 C CNN F 3 "" H 8000 5050 60 0000 C CNN 1 8000 5050 1 0 0 -1 $EndComp NoConn ~ 8000 1450 NoConn ~ 8000 1750 NoConn ~ 7000 1750 Wire Wire Line 7000 4350 7000 5400 Wire Wire Line 7000 5400 6000 5400 Connection ~ 2650 2800 Connection 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