EESchema Schematic File Version 2
LIBS:my74xx
LIBS:ftdi
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
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
LIBS:USB2SerialMux-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date "11 jul 2016"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
	5250 2500 4950 2500
Wire Wire Line
	5250 2600 4950 2600
Text Label 5250 2500 0    60   ~ 0
TxD_RxD
Text Label 5250 2600 0    60   ~ 0
RxD_TxD
$Comp
L CONN_01X08 P3
U 1 1 578800A6
P 9850 2000
F 0 "P3" H 9850 2450 50  0000 C CNN
F 1 "CONN_01X08" V 9950 2000 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x08" H 9850 2000 50  0001 C CNN
F 3 "" H 9850 2000 50  0000 C CNN
	1    9850 2000
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X08 P4
U 1 1 57880227
P 9850 4650
F 0 "P4" H 9850 5100 50  0000 C CNN
F 1 "CONN_01X08" V 9950 4650 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x08" H 9850 4650 50  0001 C CNN
F 3 "" H 9850 4650 50  0000 C CNN
	1    9850 4650
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X08 P2
U 1 1 578802D4
P 4650 6250
F 0 "P2" H 4650 6700 50  0000 C CNN
F 1 "CONN_01X08" V 4750 6250 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x08" H 4650 6250 50  0001 C CNN
F 3 "" H 4650 6250 50  0000 C CNN
	1    4650 6250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 6600 4350 6600
Wire Wire Line
	4350 5900 4350 6700
Wire Wire Line
	4350 5900 4450 5900
Wire Wire Line
	4350 6000 4450 6000
Connection ~ 4350 6000
Wire Wire Line
	4350 6100 4450 6100
Connection ~ 4350 6100
Wire Wire Line
	4350 6200 4450 6200
Connection ~ 4350 6200
Wire Wire Line
	4350 6300 4450 6300
Connection ~ 4350 6300
Wire Wire Line
	4350 6400 4450 6400
Connection ~ 4350 6400
Wire Wire Line
	4350 6500 4450 6500
Connection ~ 4350 6500
Wire Wire Line
	3650 4450 3650 4550
Wire Wire Line
	3650 4550 4150 4550
Wire Wire Line
	4000 4550 4000 4450
Wire Wire Line
	3900 4550 3900 4450
Connection ~ 3900 4550
Connection ~ 3800 4550
$Comp
L GND #PWR01
U 1 1 57880618
P 3800 4700
F 0 "#PWR01" H 3800 4450 50  0001 C CNN
F 1 "GND" H 3800 4550 50  0000 C CNN
F 2 "" H 3800 4700 50  0000 C CNN
F 3 "" H 3800 4700 50  0000 C CNN
	1    3800 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 4450 3800 4700
$Comp
L GND #PWR02
U 1 1 578806F7
P 4350 6700
F 0 "#PWR02" H 4350 6450 50  0001 C CNN
F 1 "GND" H 4350 6550 50  0000 C CNN
F 2 "" H 4350 6700 50  0000 C CNN
F 3 "" H 4350 6700 50  0000 C CNN
	1    4350 6700
	1    0    0    -1  
$EndComp
Connection ~ 4350 6600
Wire Wire Line
	6850 2500 7150 2500
Wire Wire Line
	6850 5150 7150 5150
Text Label 6850 2500 2    60   ~ 0
TxD_RxD
Text Label 6850 5150 2    60   ~ 0
RxD_TxD
$Comp
L GND #PWR03
U 1 1 57880CBC
P 7050 3050
F 0 "#PWR03" H 7050 2800 50  0001 C CNN
F 1 "GND" H 7050 2900 50  0000 C CNN
F 2 "" H 7050 3050 50  0000 C CNN
F 3 "" H 7050 3050 50  0000 C CNN
	1    7050 3050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR04
U 1 1 57880CD9
P 7050 5700
F 0 "#PWR04" H 7050 5450 50  0001 C CNN
F 1 "GND" H 7050 5550 50  0000 C CNN
F 2 "" H 7050 5700 50  0000 C CNN
F 3 "" H 7050 5700 50  0000 C CNN
	1    7050 5700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7150 2950 7050 2950
Wire Wire Line
	7050 2950 7050 3050
Wire Wire Line
	7150 5600 7050 5600
Wire Wire Line
	7050 5600 7050 5700
Wire Wire Line
	8550 1650 9650 1650
Wire Wire Line
	8550 1750 9650 1750
Wire Wire Line
	8550 1850 9650 1850
Wire Wire Line
	8550 1950 9650 1950
Wire Wire Line
	9650 2050 8550 2050
Wire Wire Line
	9650 2150 8550 2150
Wire Wire Line
	9650 2250 8550 2250
Wire Wire Line
	9650 2350 8550 2350
Wire Wire Line
	9650 4300 8550 4300
Wire Wire Line
	9650 4400 8550 4400
Wire Wire Line
	9650 4500 8550 4500
Wire Wire Line
	9650 4600 8550 4600
Wire Wire Line
	9650 4700 8550 4700
Wire Wire Line
	9650 4800 8550 4800
Wire Wire Line
	9650 4900 8550 4900
Wire Wire Line
	9650 5000 8550 5000
$Comp
L +3.3V #PWR05
U 1 1 57881288
P 2500 4000
F 0 "#PWR05" H 2500 3850 50  0001 C CNN
F 1 "+3.3V" H 2500 4140 50  0000 C CNN
F 2 "" H 2500 4000 50  0000 C CNN
F 3 "" H 2500 4000 50  0000 C CNN
	1    2500 4000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2500 4000 2900 4000
$Comp
L +3.3V #PWR06
U 1 1 5788140F
P 2800 1950
F 0 "#PWR06" H 2800 1800 50  0001 C CNN
F 1 "+3.3V" H 2800 2090 50  0000 C CNN
F 2 "" H 2800 1950 50  0000 C CNN
F 3 "" H 2800 1950 50  0000 C CNN
	1    2800 1950
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR07
U 1 1 57881458
P 2550 1950
F 0 "#PWR07" H 2550 1800 50  0001 C CNN
F 1 "+5V" H 2550 2090 50  0000 C CNN
F 2 "" H 2550 1950 50  0000 C CNN
F 3 "" H 2550 1950 50  0000 C CNN
	1    2550 1950
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR08
U 1 1 578815D1
P 6850 1300
F 0 "#PWR08" H 6850 1150 50  0001 C CNN
F 1 "+3.3V" H 6850 1440 50  0000 C CNN
F 2 "" H 6850 1300 50  0000 C CNN
F 3 "" H 6850 1300 50  0000 C CNN
	1    6850 1300
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR09
U 1 1 578816A8
P 6850 3900
F 0 "#PWR09" H 6850 3750 50  0001 C CNN
F 1 "+3.3V" H 6850 4040 50  0000 C CNN
F 2 "" H 6850 3900 50  0000 C CNN
F 3 "" H 6850 3900 50  0000 C CNN
	1    6850 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6750 4300 7150 4300
Wire Wire Line
	6750 1650 7150 1650
$Comp
L GND #PWR010
U 1 1 57881848
P 8650 3050
F 0 "#PWR010" H 8650 2800 50  0001 C CNN
F 1 "GND" H 8650 2900 50  0000 C CNN
F 2 "" H 8650 3050 50  0000 C CNN
F 3 "" H 8650 3050 50  0000 C CNN
	1    8650 3050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR011
U 1 1 57881865
P 8650 5700
F 0 "#PWR011" H 8650 5450 50  0001 C CNN
F 1 "GND" H 8650 5550 50  0000 C CNN
F 2 "" H 8650 5700 50  0000 C CNN
F 3 "" H 8650 5700 50  0000 C CNN
	1    8650 5700
	1    0    0    -1  
$EndComp
Wire Wire Line
	8550 5600 8650 5600
Wire Wire Line
	8650 5600 8650 5700
Wire Wire Line
	8550 2950 8650 2950
Wire Wire Line
	8650 2950 8650 3050
Wire Wire Line
	2900 2300 2800 2300
Wire Wire Line
	2800 2300 2800 1950
Wire Wire Line
	2450 2400 2900 2400
Wire Wire Line
	2550 2400 2550 1950
Wire Wire Line
	6850 1300 6850 1900
Wire Wire Line
	6850 3900 6850 4550
Wire Wire Line
	8850 2550 8550 2550
Wire Wire Line
	8850 2650 8550 2650
Wire Wire Line
	8850 2750 8550 2750
Wire Wire Line
	8900 5200 8550 5200
Wire Wire Line
	8900 5300 8550 5300
Wire Wire Line
	8900 5400 8550 5400
Text Label 8850 2550 0    60   ~ 0
S0
Text Label 8850 2650 0    60   ~ 0
S1
Text Label 8850 2750 0    60   ~ 0
S2
Text Label 8900 5200 0    60   ~ 0
S0
Text Label 8900 5300 0    60   ~ 0
S1
Text Label 8900 5400 0    60   ~ 0
S2
$Comp
L USB_OTG P1
U 1 1 578834A3
P 1500 6400
F 0 "P1" H 1825 6275 50  0000 C CNN
F 1 "USB_OTG" H 1500 6600 50  0000 C CNN
F 2 "reichelt:USB-MINI-B-SMD" V 1450 6300 50  0001 C CNN
F 3 "" V 1450 6300 50  0000 C CNN
	1    1500 6400
	0    -1   1    0   
$EndComp
Wire Wire Line
	2550 2650 2900 2650
Wire Wire Line
	2550 2750 2900 2750
Text Label 2550 2650 2    60   ~ 0
D-
Text Label 2550 2750 2    60   ~ 0
D+
$Comp
L +5V #PWR012
U 1 1 578920DC
P 1900 6100
F 0 "#PWR012" H 1900 5950 50  0001 C CNN
F 1 "+5V" H 1900 6240 50  0000 C CNN
F 2 "" H 1900 6100 50  0000 C CNN
F 3 "" H 1900 6100 50  0000 C CNN
	1    1900 6100
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR013
U 1 1 578921B9
P 1900 6700
F 0 "#PWR013" H 1900 6450 50  0001 C CNN
F 1 "GND" H 1900 6550 50  0000 C CNN
F 2 "" H 1900 6700 50  0000 C CNN
F 3 "" H 1900 6700 50  0000 C CNN
	1    1900 6700
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 6600 1900 6600
Wire Wire Line
	1900 6600 1900 6700
Wire Wire Line
	2050 6300 1800 6300
Wire Wire Line
	2050 6400 1800 6400
Text Label 2050 6300 0    60   ~ 0
D-
Text Label 2050 6400 0    60   ~ 0
D+
Wire Wire Line
	4150 4550 4150 4450
Connection ~ 4000 4550
$Comp
L C C6
U 1 1 57892501
P 2750 4250
F 0 "C6" H 2775 4350 50  0000 L CNN
F 1 "100n" H 2775 4150 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2788 4100 50  0001 C CNN
F 3 "" H 2750 4250 50  0000 C CNN
	1    2750 4250
	1    0    0    -1  
$EndComp
$Comp
L C C5
U 1 1 57892620
P 2300 2400
F 0 "C5" H 2325 2500 50  0000 L CNN
F 1 "100n" H 2325 2300 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2338 2250 50  0001 C CNN
F 3 "" H 2300 2400 50  0000 C CNN
	1    2300 2400
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR014
U 1 1 57892AF2
P 1400 6900
F 0 "#PWR014" H 1400 6650 50  0001 C CNN
F 1 "GND" H 1400 6750 50  0000 C CNN
F 2 "" H 1400 6900 50  0000 C CNN
F 3 "" H 1400 6900 50  0000 C CNN
	1    1400 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 6900 1400 6800
$Comp
L GND #PWR015
U 1 1 57892B6F
P 2800 6200
F 0 "#PWR015" H 2800 5950 50  0001 C CNN
F 1 "GND" H 2800 6050 50  0000 C CNN
F 2 "" H 2800 6200 50  0000 C CNN
F 3 "" H 2800 6200 50  0000 C CNN
	1    2800 6200
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR016
U 1 1 57892CE9
P 2750 4500
F 0 "#PWR016" H 2750 4250 50  0001 C CNN
F 1 "GND" H 2750 4350 50  0000 C CNN
F 2 "" H 2750 4500 50  0000 C CNN
F 3 "" H 2750 4500 50  0000 C CNN
	1    2750 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 4000 2750 4100
Connection ~ 2750 4000
Wire Wire Line
	2750 4400 2750 4500
$Comp
L C C2
U 1 1 57892EC4
P 6600 1650
F 0 "C2" H 6625 1750 50  0000 L CNN
F 1 "100n" H 6625 1550 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6638 1500 50  0001 C CNN
F 3 "" H 6600 1650 50  0000 C CNN
	1    6600 1650
	0    -1   -1   0   
$EndComp
Connection ~ 6850 1650
$Comp
L C C3
U 1 1 57893092
P 6600 4300
F 0 "C3" H 6625 4400 50  0000 L CNN
F 1 "100n" H 6625 4200 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6638 4150 50  0001 C CNN
F 3 "" H 6600 4300 50  0000 C CNN
	1    6600 4300
	0    -1   -1   0   
$EndComp
Connection ~ 6850 4300
$Comp
L GND #PWR017
U 1 1 5789333C
P 6350 4300
F 0 "#PWR017" H 6350 4050 50  0001 C CNN
F 1 "GND" H 6350 4150 50  0000 C CNN
F 2 "" H 6350 4300 50  0000 C CNN
F 3 "" H 6350 4300 50  0000 C CNN
	1    6350 4300
	0    1    1    0   
$EndComp
Wire Wire Line
	6450 4300 6350 4300
$Comp
L GND #PWR018
U 1 1 57893416
P 6350 1650
F 0 "#PWR018" H 6350 1400 50  0001 C CNN
F 1 "GND" H 6350 1500 50  0000 C CNN
F 2 "" H 6350 1650 50  0000 C CNN
F 3 "" H 6350 1650 50  0000 C CNN
	1    6350 1650
	0    1    1    0   
$EndComp
Wire Wire Line
	6350 1650 6450 1650
Wire Wire Line
	6850 1900 7150 1900
Wire Wire Line
	6850 4550 7150 4550
$Comp
L C C1
U 1 1 57894879
P 2450 6200
F 0 "C1" H 2475 6300 50  0000 L CNN
F 1 "4,7u" H 2475 6100 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 2488 6050 50  0001 C CNN
F 3 "" H 2450 6200 50  0000 C CNN
	1    2450 6200
	0    -1   -1   0   
$EndComp
Connection ~ 2550 2400
$Comp
L GND #PWR019
U 1 1 57895711
P 2050 2400
F 0 "#PWR019" H 2050 2150 50  0001 C CNN
F 1 "GND" H 2050 2250 50  0000 C CNN
F 2 "" H 2050 2400 50  0000 C CNN
F 3 "" H 2050 2400 50  0000 C CNN
	1    2050 2400
	0    1    1    0   
$EndComp
Wire Wire Line
	2050 2400 2150 2400
Wire Wire Line
	1800 6200 2300 6200
Wire Wire Line
	1900 6200 1900 6100
Connection ~ 1900 6200
$Comp
L C C4
U 1 1 578961B9
P 2450 5900
F 0 "C4" H 2475 6000 50  0000 L CNN
F 1 "10n" H 2475 5800 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2488 5750 50  0001 C CNN
F 3 "" H 2450 5900 50  0000 C CNN
	1    2450 5900
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2800 6200 2600 6200
Wire Wire Line
	2700 5900 2700 6200
Connection ~ 2700 6200
Wire Wire Line
	2200 5900 2200 6200
Connection ~ 2200 6200
Wire Wire Line
	2600 5900 2700 5900
Wire Wire Line
	2300 5900 2200 5900
$Comp
L 74HC4051 U2
U 1 1 5789DF39
P 7850 2300
F 0 "U2" H 7850 2300 50  0000 C CNN
F 1 "74HC4051" H 7850 2150 50  0000 C CNN
F 2 "Housings_SSOP:TSSOP-16_4.4x5mm_Pitch0.65mm" H 7850 2300 50  0001 C CNN
F 3 "" H 7850 2300 50  0000 C CNN
	1    7850 2300
	-1   0    0    -1  
$EndComp
$Comp
L 74HCT4051 U3
U 1 1 5789E407
P 7850 4950
F 0 "U3" H 7850 4950 50  0000 C CNN
F 1 "74HCT4051" H 7850 4800 50  0000 C CNN
F 2 "Housings_SSOP:TSSOP-16_4.4x5mm_Pitch0.65mm" H 7850 4950 50  0001 C CNN
F 3 "" H 7850 4950 50  0000 C CNN
	1    7850 4950
	-1   0    0    -1  
$EndComp
$Comp
L FT232RL U1
U 1 1 5789EA06
P 3900 3100
F 0 "U1" H 3900 3300 60  0000 C CNN
F 1 "FT232RL" H 3900 2800 60  0000 C CNN
F 2 "Housings_SSOP:SSOP-28_5.3x10.2mm_Pitch0.65mm" H 3850 3250 60  0001 C CNN
F 3 "" H 3850 3250 60  0000 C CNN
	1    3900 3100
	1    0    0    -1  
$EndComp
$EndSCHEMATC