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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "mikroPhone expansion breakout"
Date "2024-02-02"
Rev "4.0"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector_Generic:Conn_02x08_Odd_Even J1
U 1 1 60DA2442
P 4450 3150
F 0 "J1" H 4500 3550 50 0000 C CNN
F 1 "IN" H 4500 2650 50 0000 C CNN
F 2 "Connector_Molex:Molex_SlimStack_55560-0161_2x08_P0.50mm_Vertical" H 4450 3150 50 0001 C CNN
F 3 "~" H 4450 3150 50 0001 C CNN
1 4450 3150
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 60DA9CCD
P 4150 3650
F 0 "#PWR0101" H 4150 3400 50 0001 C CNN
F 1 "GND" H 4155 3477 50 0000 C CNN
F 2 "" H 4150 3650 50 0001 C CNN
F 3 "" H 4150 3650 50 0001 C CNN
1 4150 3650
1 0 0 -1
$EndComp
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 60DB0F71
P 5150 3650
F 0 "#FLG0101" H 5150 3725 50 0001 C CNN
F 1 "PWR_FLAG" H 5150 3823 50 0000 C CNN
F 2 "" H 5150 3650 50 0001 C CNN
F 3 "~" H 5150 3650 50 0001 C CNN
1 5150 3650
-1 0 0 1
$EndComp
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 614F0F2F
P 3850 2750
F 0 "#FLG0102" H 3850 2825 50 0001 C CNN
F 1 "PWR_FLAG" H 3850 2923 50 0000 C CNN
F 2 "" H 3850 2750 50 0001 C CNN
F 3 "~" H 3850 2750 50 0001 C CNN
1 3850 2750
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0104
U 1 1 614F178C
P 4150 2750
F 0 "#PWR0104" H 4150 2600 50 0001 C CNN
F 1 "+3.3V" H 4165 2923 50 0000 C CNN
F 2 "" H 4150 2750 50 0001 C CNN
F 3 "" H 4150 2750 50 0001 C CNN
1 4150 2750
1 0 0 -1
$EndComp
Wire Wire Line
4250 2850 4150 2850
Wire Wire Line
4150 2850 4150 2750
Wire Wire Line
4250 2950 4150 2950
Wire Wire Line
4150 2950 4150 2850
Connection ~ 4150 2850
Wire Wire Line
3850 2750 3850 2850
Wire Wire Line
3850 2850 4150 2850
Text Label 5250 3350 2 50 ~ 0
I2C_SDA
Text Label 3750 3050 0 50 ~ 0
SPI_MOSI
Text Label 3750 3150 0 50 ~ 0
SPI_MISO
Text Label 3750 3250 0 50 ~ 0
SPI_SCK
Text Label 9450 2600 2 50 ~ 0
UART_TX
Text Label 9450 2700 2 50 ~ 0
UART_RX
Wire Wire Line
9450 2700 8950 2700
Wire Wire Line
9450 2600 8950 2600
Wire Wire Line
3750 3250 4250 3250
Wire Wire Line
3750 3150 4250 3150
Wire Wire Line
3750 3050 4250 3050
Wire Wire Line
4250 3350 4150 3350
Wire Wire Line
4150 3350 4150 3650
$Comp
L power:GND #PWR0107
U 1 1 61516CA6
P 4850 3650
F 0 "#PWR0107" H 4850 3400 50 0001 C CNN
F 1 "GND" H 4855 3477 50 0000 C CNN
F 2 "" H 4850 3650 50 0001 C CNN
F 3 "" H 4850 3650 50 0001 C CNN
1 4850 3650
1 0 0 -1
$EndComp
Wire Wire Line
4750 3550 4850 3550
Wire Wire Line
4850 3550 4850 3650
Text Label 5250 3450 2 50 ~ 0
I2C_SCL
Text Label 5250 3250 2 50 ~ 0
GPIO2
Text Label 5250 3150 2 50 ~ 0
GPIO3
Wire Wire Line
4750 3050 4850 3050
Wire Wire Line
4850 3050 4850 3550
Connection ~ 4850 3550
$Comp
L power:VDD #PWR0108
U 1 1 61522E27
P 4850 2750
F 0 "#PWR0108" H 4850 2600 50 0001 C CNN
F 1 "VDD" H 4865 2923 50 0000 C CNN
F 2 "" H 4850 2750 50 0001 C CNN
F 3 "" H 4850 2750 50 0001 C CNN
1 4850 2750
1 0 0 -1
$EndComp
Wire Wire Line
4750 2950 4850 2950
Wire Wire Line
4850 2950 4850 2850
Wire Wire Line
4750 2850 4850 2850
Connection ~ 4850 2850
Wire Wire Line
4850 2850 4850 2750
Wire Wire Line
4750 3150 5250 3150
Wire Wire Line
4750 3250 5250 3250
Wire Wire Line
4750 3350 5250 3350
Wire Wire Line
4750 3450 5250 3450
Wire Wire Line
4850 3550 5150 3550
Wire Wire Line
5150 3550 5150 3650
Text Label 7950 2600 0 50 ~ 0
I2C_SDA
Text Label 7950 2700 0 50 ~ 0
I2C_SCL
Wire Wire Line
8450 2600 7950 2600
Wire Wire Line
8450 2700 7950 2700
$Comp
L power:VDD #PWR0111
U 1 1 615475BF
P 9000 2150
F 0 "#PWR0111" H 9000 2000 50 0001 C CNN
F 1 "VDD" H 9000 2300 50 0000 C CNN
F 2 "" H 9000 2150 50 0001 C CNN
F 3 "" H 9000 2150 50 0001 C CNN
1 9000 2150
1 0 0 -1
$EndComp
$Comp
L power:PWR_FLAG #FLG0103
U 1 1 6155AB9A
P 5150 2750
F 0 "#FLG0103" H 5150 2825 50 0001 C CNN
F 1 "PWR_FLAG" H 5150 2923 50 0000 C CNN
F 2 "" H 5150 2750 50 0001 C CNN
F 3 "~" H 5150 2750 50 0001 C CNN
1 5150 2750
1 0 0 -1
$EndComp
Wire Wire Line
4850 2850 5150 2850
Wire Wire Line
5150 2850 5150 2750
$Comp
L myConn:Spacer J3
U 1 1 65BF75AF
P 4500 4500
F 0 "J3" H 4580 4542 50 0000 L CNN
F 1 "Spacer" H 4580 4451 50 0000 L CNN
F 2 "footprints:Spacer_small" H 4500 4500 50 0001 C CNN
F 3 "~" H 4500 4500 50 0001 C CNN
1 4500 4500
1 0 0 -1
$EndComp
$Comp
L myConn:Spacer J4
U 1 1 65BF7FCD
P 4500 4700
F 0 "J4" H 4580 4742 50 0000 L CNN
F 1 "Spacer" H 4580 4651 50 0000 L CNN
F 2 "footprints:Spacer_small" H 4500 4700 50 0001 C CNN
F 3 "~" H 4500 4700 50 0001 C CNN
1 4500 4700
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 65BF84F2
P 4200 4800
F 0 "#PWR0112" H 4200 4550 50 0001 C CNN
F 1 "GND" H 4205 4627 50 0000 C CNN
F 2 "" H 4200 4800 50 0001 C CNN
F 3 "" H 4200 4800 50 0001 C CNN
1 4200 4800
1 0 0 -1
$EndComp
Wire Wire Line
4300 4500 4200 4500
Wire Wire Line
4200 4500 4200 4700
Wire Wire Line
4300 4700 4200 4700
Connection ~ 4200 4700
Wire Wire Line
4200 4700 4200 4800
$Comp
L Connector_Generic:Conn_02x06_Odd_Even J2
U 1 1 65C12A3F
P 8650 2400
F 0 "J2" H 8700 2700 50 0000 C CNN
F 1 "OUT" H 8700 2000 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Vertical" H 8650 2400 50 0001 C CNN
F 3 "~" H 8650 2400 50 0001 C CNN
1 8650 2400
1 0 0 -1
$EndComp
Text Label 7950 2500 0 50 ~ 0
GPIO2
Text Label 7950 2400 0 50 ~ 0
GPIO3
Wire Wire Line
8450 2400 7950 2400
Wire Wire Line
8450 2500 7950 2500
Text Label 3750 3450 0 50 ~ 0
UART_TX
Text Label 3750 3550 0 50 ~ 0
UART_RX
Wire Wire Line
3750 3550 4250 3550
Wire Wire Line
3750 3450 4250 3450
Text Label 9450 2300 2 50 ~ 0
SPI_MOSI
Text Label 9450 2400 2 50 ~ 0
SPI_MISO
Text Label 9450 2500 2 50 ~ 0
SPI_SCK
Wire Wire Line
9450 2500 8950 2500
Wire Wire Line
9450 2400 8950 2400
Wire Wire Line
9450 2300 8950 2300
Wire Wire Line
8950 2200 9000 2200
Wire Wire Line
9000 2200 9000 2150
$Comp
L power:+3.3V #PWR0102
U 1 1 65C27ACC
P 8400 2150
F 0 "#PWR0102" H 8400 2000 50 0001 C CNN
F 1 "+3.3V" H 8400 2300 50 0000 C CNN
F 2 "" H 8400 2150 50 0001 C CNN
F 3 "" H 8400 2150 50 0001 C CNN
1 8400 2150
1 0 0 -1
$EndComp
Wire Wire Line
8400 2150 8400 2200
Wire Wire Line
8400 2200 8450 2200
Wire Wire Line
8450 2300 8400 2300
Wire Wire Line
8400 2300 8400 2750
$Comp
L power:GND #PWR0103
U 1 1 65C2ABE1
P 8400 2750
F 0 "#PWR0103" H 8400 2500 50 0001 C CNN
F 1 "GND" H 8405 2577 50 0000 C CNN
F 2 "" H 8400 2750 50 0001 C CNN
F 3 "" H 8400 2750 50 0001 C CNN
1 8400 2750
1 0 0 -1
$EndComp
$EndSCHEMATC
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