mcu.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 5
Title "Black Pill uSDX"
Date "2020-08-25"
Rev "2.0.3"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:Rotary_Encoder_Switch SW201
U 1 1 5ED956B6
P 9800 2200
F 0 "SW201" H 9800 2567 50  0000 C CNN
F 1 "Rotary_Encoder_Switch" H 9800 2476 50  0000 C CNN
F 2 "uSDX:Rotary_Encoder_Sw" H 9650 2360 50  0001 C CNN
F 3 "~" H 9800 2460 50  0001 C CNN
	1    9800 2200
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0228
U 1 1 5EFDFCE6
P 4900 7400
F 0 "#PWR0228" H 4900 7250 50  0001 C CNN
F 1 "+3.3V" H 4915 7573 50  0000 C CNN
F 2 "" H 4900 7400 50  0001 C CNN
F 3 "" H 4900 7400 50  0001 C CNN
	1    4900 7400
	1    0    0    1   
$EndComp
Wire Wire Line
	5000 7400 4900 7400
Wire Wire Line
	5000 7100 4800 7100
Text Label 4800 7100 0    50   ~ 0
SDA2
Text Label 4800 7200 0    50   ~ 0
SCL2
$Comp
L power:GND #PWR0223
U 1 1 5F00BE2D
P 4400 7300
F 0 "#PWR0223" H 4400 7050 50  0001 C CNN
F 1 "GND" H 4405 7127 50  0000 C CNN
F 2 "" H 4400 7300 50  0001 C CNN
F 3 "" H 4400 7300 50  0001 C CNN
	1    4400 7300
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0233
U 1 1 5F0D940B
P 9150 2750
F 0 "#PWR0233" H 9150 2500 50  0001 C CNN
F 1 "GND" H 9155 2577 50  0000 C CNN
F 2 "" H 9150 2750 50  0001 C CNN
F 3 "" H 9150 2750 50  0001 C CNN
	1    9150 2750
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW203
U 1 1 5F239A6B
P 10400 1300
F 0 "SW203" H 10400 1585 50  0000 C CNN
F 1 "1825910-6" H 10400 1494 50  0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm_h5mm" H 10400 1500 50  0001 C CNN
F 3 "~" H 10400 1500 50  0001 C CNN
	1    10400 1300
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R224
U 1 1 5F283AA3
P 10600 2600
F 0 "R224" H 10532 2554 50  0000 R CNN
F 1 "1k" H 10532 2645 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 2590 50  0001 C CNN
F 3 "~" H 10600 2600 50  0001 C CNN
	1    10600 2600
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0231
U 1 1 5F325FF7
P 2050 4850
F 0 "#PWR0231" H 2050 4600 50  0001 C CNN
F 1 "GND" H 2055 4677 50  0000 C CNN
F 2 "" H 2050 4850 50  0001 C CNN
F 3 "" H 2050 4850 50  0001 C CNN
	1    2050 4850
	1    0    0    -1  
$EndComp
Text Label 2050 4500 0    50   ~ 0
DIT
Text Label 2050 4600 0    50   ~ 0
DAH
$Comp
L uSDX:SSD1306 U203
U 1 1 5EFC4A96
P 5550 7250
F 0 "U203" V 5499 7353 50  0000 L CNN
F 1 "OLED Display" V 5590 7353 50  0000 L CNN
F 2 "uSDX:OLED_1.3" H 5550 7250 50  0001 C CNN
F 3 "" H 5550 7250 50  0001 C CNN
	1    5550 7250
	0    1    -1   0   
$EndComp
$Comp
L Connector:AudioJack4 J203
U 1 1 5F1114D7
P 3600 5650
F 0 "J203" H 3270 5625 50  0000 R CNN
F 1 "AudioJack4" H 3270 5534 50  0000 R CNN
F 2 "uSDX:ASJ-112-M" H 3600 5650 50  0001 C CNN
F 3 "http://www.adam-tech.com/downloader.php?p=ASJ-112-X.pdf" H 3600 5650 50  0001 C CNN
	1    3600 5650
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0227
U 1 1 5F11E76E
P 1850 5850
F 0 "#PWR0227" H 1850 5600 50  0001 C CNN
F 1 "GND" H 1855 5677 50  0000 C CNN
F 2 "" H 1850 5850 50  0001 C CNN
F 3 "" H 1850 5850 50  0001 C CNN
	1    1850 5850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 5650 1850 5650
Text Label 1350 5550 0    50   ~ 0
MIC
Wire Wire Line
	2050 5550 3400 5550
Text Notes 2350 5450 0    50   ~ 0
3.5mm headset with mic
Text Notes 1950 4350 0    50   ~ 0
External keyer
Wire Wire Line
	1850 5850 1850 5650
$Comp
L Device:C C210
U 1 1 5F28CB56
P 1900 5550
F 0 "C210" V 2152 5550 50  0000 C CNN
F 1 "10n" V 2061 5550 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 1938 5400 50  0001 C CNN
F 3 "~" H 1900 5550 50  0001 C CNN
	1    1900 5550
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R215
U 1 1 5F28CB5C
P 1600 5800
F 0 "R215" H 1668 5846 50  0000 L CNN
F 1 "2M" H 1668 5755 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 1640 5790 50  0001 C CNN
F 3 "~" H 1600 5800 50  0001 C CNN
	1    1600 5800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R214
U 1 1 5F28CB62
P 1600 5300
F 0 "R214" H 1668 5346 50  0000 L CNN
F 1 "2M" H 1668 5255 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 1640 5290 50  0001 C CNN
F 3 "~" H 1600 5300 50  0001 C CNN
	1    1600 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1150 5550 1300 5550
Wire Wire Line
	1600 5450 1600 5550
Connection ~ 1600 5550
Wire Wire Line
	1600 5550 1750 5550
Wire Wire Line
	1600 5550 1600 5650
Wire Wire Line
	2050 4850 2050 4800
Wire Wire Line
	2050 4700 2250 4700
Wire Wire Line
	2250 4800 2050 4800
Connection ~ 2050 4800
Wire Wire Line
	2050 4800 2050 4700
$Comp
L Connector:AudioJack4 J202
U 1 1 5EEE8932
P 2450 4700
F 0 "J202" H 2120 4675 50  0000 R CNN
F 1 "AudioJack4" H 2120 4584 50  0000 R CNN
F 2 "uSDX:ASJ-112-M" H 2450 4700 50  0001 C CNN
F 3 "http://www.adam-tech.com/downloader.php?p=ASJ-112-X.pdf" H 2450 4700 50  0001 C CNN
	1    2450 4700
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R223
U 1 1 5F5BCF2F
P 10600 2250
F 0 "R223" H 10532 2204 50  0000 R CNN
F 1 "1k" H 10532 2295 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 2240 50  0001 C CNN
F 3 "~" H 10600 2250 50  0001 C CNN
	1    10600 2250
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R222
U 1 1 5F5BD5D8
P 10600 1550
F 0 "R222" H 10532 1504 50  0000 R CNN
F 1 "1k" H 10532 1595 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 1540 50  0001 C CNN
F 3 "~" H 10600 1550 50  0001 C CNN
	1    10600 1550
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R221
U 1 1 5F5BDE16
P 10600 1950
F 0 "R221" H 10532 1904 50  0000 R CNN
F 1 "1k" H 10532 1995 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 1940 50  0001 C CNN
F 3 "~" H 10600 1950 50  0001 C CNN
	1    10600 1950
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R220
U 1 1 5F5BE188
P 10600 3750
F 0 "R220" H 10532 3704 50  0000 R CNN
F 1 "1k" H 10532 3795 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 3740 50  0001 C CNN
F 3 "~" H 10600 3750 50  0001 C CNN
	1    10600 3750
	-1   0    0    1   
$EndComp
Connection ~ 10600 1300
Wire Wire Line
	10600 1300 10600 1400
Wire Wire Line
	10600 2400 10600 2450
Text Label 1900 6300 2    50   ~ 0
SPKR_R
$Comp
L uSDX:black_pill U201
U 1 1 5F3319DA
P 2700 2600
F 0 "U201" H 2675 3865 50  0000 C CNN
F 1 "black_pill" H 2675 3774 50  0000 C CNN
F 2 "Housings_DIP:DIP-40_W15.24mm" H 2700 2600 50  0001 C CNN
F 3 "" H 2700 2600 50  0001 C CNN
	1    2700 2600
	1    0    0    -1  
$EndComp
Text Label 3300 3200 0    50   ~ 0
DIT
Text Label 3300 3300 0    50   ~ 0
DAH
Text Label 2050 2700 2    50   ~ 0
MIC
Text Label 2050 2800 2    50   ~ 0
RX_I_SAFE
Text Label 2050 2900 2    50   ~ 0
RX_Q_SAFE
Text Label 2050 3000 2    50   ~ 0
VBAT
Text Label 2050 3200 2    50   ~ 0
SCL2
$Comp
L power:+3.3V #PWR0201
U 1 1 5F33B81F
P 1200 3300
F 0 "#PWR0201" H 1200 3150 50  0001 C CNN
F 1 "+3.3V" V 1215 3428 50  0000 L CNN
F 2 "" H 1200 3300 50  0001 C CNN
F 3 "" H 1200 3300 50  0001 C CNN
	1    1200 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 3300 1700 3300
$Comp
L power:GND #PWR0205
U 1 1 5F340880
P 2000 3700
F 0 "#PWR0205" H 2000 3450 50  0001 C CNN
F 1 "GND" H 2005 3527 50  0000 C CNN
F 2 "" H 2000 3700 50  0001 C CNN
F 3 "" H 2000 3700 50  0001 C CNN
	1    2000 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 3400 2000 3400
Wire Wire Line
	2000 3400 2000 3600
$Comp
L power:+3.3V #PWR0207
U 1 1 5F344B72
P 3400 1300
F 0 "#PWR0207" H 3400 1150 50  0001 C CNN
F 1 "+3.3V" H 3415 1473 50  0000 C CNN
F 2 "" H 3400 1300 50  0001 C CNN
F 3 "" H 3400 1300 50  0001 C CNN
	1    3400 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 1300 3400 1400
Wire Wire Line
	3400 1600 3300 1600
$Comp
L power:GND #PWR0210
U 1 1 5F34940E
P 4150 1700
F 0 "#PWR0210" H 4150 1450 50  0001 C CNN
F 1 "GND" H 4155 1527 50  0000 C CNN
F 2 "" H 4150 1700 50  0001 C CNN
F 3 "" H 4150 1700 50  0001 C CNN
	1    4150 1700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4150 1700 4000 1700
Text Label 3300 2900 0    50   ~ 0
SPKR_L
Text Label 3300 2800 0    50   ~ 0
SPKR_R
Text Label 3300 2600 0    50   ~ 0
GPS_REF_CLK
Text Label 3300 2500 0    50   ~ 0
SDA2
Text Label 3300 2400 0    50   ~ 0
ENC1_A
Text Label 3300 2300 0    50   ~ 0
ENC1_B
Wire Wire Line
	4400 7300 5000 7300
$Comp
L Device:R_US R217
U 1 1 5F3643E5
P 4800 6800
F 0 "R217" H 4868 6846 50  0000 L CNN
F 1 "1k" H 4868 6755 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 4840 6790 50  0001 C CNN
F 3 "~" H 4800 6800 50  0001 C CNN
	1    4800 6800
	1    0    0    1   
$EndComp
$Comp
L Device:R_US R216
U 1 1 5F364A8D
P 4550 6800
F 0 "R216" H 4618 6846 50  0000 L CNN
F 1 "1k" H 4618 6755 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 4590 6790 50  0001 C CNN
F 3 "~" H 4550 6800 50  0001 C CNN
	1    4550 6800
	1    0    0    1   
$EndComp
Wire Wire Line
	4550 7200 5000 7200
$Comp
L power:+3.3V #PWR0226
U 1 1 5F37A11F
P 4700 6550
F 0 "#PWR0226" H 4700 6400 50  0001 C CNN
F 1 "+3.3V" H 4715 6723 50  0000 C CNN
F 2 "" H 4700 6550 50  0001 C CNN
F 3 "" H 4700 6550 50  0001 C CNN
	1    4700 6550
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4550 6650 4700 6650
Wire Wire Line
	4700 6550 4700 6650
Connection ~ 4700 6650
Wire Wire Line
	4700 6650 4800 6650
Wire Wire Line
	4800 6950 4800 7100
Wire Wire Line
	4550 6950 4550 7200
$Comp
L Device:C C212
U 1 1 5F39EF4E
P 2200 6450
F 0 "C212" H 2315 6496 50  0000 L CNN
F 1 "150n" H 2315 6405 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 2238 6300 50  0001 C CNN
F 3 "~" H 2200 6450 50  0001 C CNN
	1    2200 6450
	1    0    0    -1  
$EndComp
$Comp
L Device:C C216
U 1 1 5F39F89D
P 3000 6450
F 0 "C216" H 3115 6496 50  0000 L CNN
F 1 "150n" H 3115 6405 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 3038 6300 50  0001 C CNN
F 3 "~" H 3000 6450 50  0001 C CNN
	1    3000 6450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0230
U 1 1 5F3E0345
P 2200 6600
F 0 "#PWR0230" H 2200 6350 50  0001 C CNN
F 1 "GND" H 2205 6427 50  0000 C CNN
F 2 "" H 2200 6600 50  0001 C CNN
F 3 "" H 2200 6600 50  0001 C CNN
	1    2200 6600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0234
U 1 1 5F3E05F6
P 3000 6600
F 0 "#PWR0234" H 3000 6350 50  0001 C CNN
F 1 "GND" H 3005 6427 50  0000 C CNN
F 2 "" H 3000 6600 50  0001 C CNN
F 3 "" H 3000 6600 50  0001 C CNN
	1    3000 6600
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 5750 3400 5750
Wire Wire Line
	2200 6100 2200 6150
Text Label 2700 6300 2    50   ~ 0
SPKR_L
Text Notes 3400 6150 0    50   ~ 0
Band-pass filter 50Hz-5kHz\nTuned for 200-ohm load
Connection ~ 3000 6300
$Comp
L Device:L L202
U 1 1 5F3CA3E3
P 2850 6300
F 0 "L202" H 2807 6254 50  0000 R CNN
F 1 "6.8mH" H 2807 6345 50  0000 R CNN
F 2 "Inductors_SMD:L_0805" H 2850 6300 50  0001 C CNN
F 3 "~" H 2850 6300 50  0001 C CNN
	1    2850 6300
	0    1    1    0   
$EndComp
Connection ~ 2200 6300
$Comp
L Device:L L201
U 1 1 5F3C9A87
P 2050 6300
F 0 "L201" H 2007 6254 50  0000 R CNN
F 1 "6.8mH" H 2007 6345 50  0000 R CNN
F 2 "Inductors_SMD:L_0805" H 2050 6300 50  0001 C CNN
F 3 "~" H 2050 6300 50  0001 C CNN
	1    2050 6300
	0    1    1    0   
$EndComp
Wire Wire Line
	3000 5850 3400 5850
$Comp
L Device:R_US R218
U 1 1 5F46BBBE
P 8800 2100
F 0 "R218" H 8732 2054 50  0000 R CNN
F 1 "1k" H 8732 2145 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 8840 2090 50  0001 C CNN
F 3 "~" H 8800 2100 50  0001 C CNN
	1    8800 2100
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R219
U 1 1 5F46D11B
P 8800 2300
F 0 "R219" H 8732 2254 50  0000 R CNN
F 1 "1k" H 8732 2345 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 8840 2290 50  0001 C CNN
F 3 "~" H 8800 2300 50  0001 C CNN
	1    8800 2300
	0    -1   -1   0   
$EndComp
$Comp
L power:+3.3V #PWR0229
U 1 1 5F46D35C
P 8550 2100
F 0 "#PWR0229" H 8550 1950 50  0001 C CNN
F 1 "+3.3V" H 8565 2273 50  0000 C CNN
F 2 "" H 8550 2100 50  0001 C CNN
F 3 "" H 8550 2100 50  0001 C CNN
	1    8550 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 2100 8650 2300
Wire Wire Line
	8650 2100 8550 2100
Connection ~ 8650 2100
Wire Wire Line
	8950 2100 9000 2100
Wire Wire Line
	9500 2300 9300 2300
Wire Wire Line
	9500 2200 9150 2200
Wire Wire Line
	9150 2200 9150 2750
$Comp
L Device:C C214
U 1 1 5F48D182
P 9300 2600
F 0 "C214" V 9048 2600 50  0000 C CNN
F 1 "100n" V 9139 2600 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 9338 2450 50  0001 C CNN
F 3 "~" H 9300 2600 50  0001 C CNN
	1    9300 2600
	-1   0    0    1   
$EndComp
$Comp
L Device:C C213
U 1 1 5F491F88
P 9000 2600
F 0 "C213" V 8748 2600 50  0000 C CNN
F 1 "100n" V 8839 2600 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 9038 2450 50  0001 C CNN
F 3 "~" H 9000 2600 50  0001 C CNN
	1    9000 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 2750 9150 2750
Wire Wire Line
	9000 2450 9000 2100
Connection ~ 9000 2100
Wire Wire Line
	9000 2100 9500 2100
Wire Wire Line
	9300 2450 9300 2300
Connection ~ 9300 2300
Wire Wire Line
	9300 2300 8950 2300
Connection ~ 9150 2750
Wire Wire Line
	9150 2750 9150 2800
Wire Wire Line
	9150 2750 9300 2750
Text Label 9200 2100 0    50   ~ 0
ENC1_A
Text Label 9200 2300 0    50   ~ 0
ENC1_B
Wire Wire Line
	5800 1500 5800 1550
Connection ~ 5800 1550
$Comp
L power:GND #PWR0225
U 1 1 5F530782
P 1600 5950
F 0 "#PWR0225" H 1600 5700 50  0001 C CNN
F 1 "GND" H 1605 5777 50  0000 C CNN
F 2 "" H 1600 5950 50  0001 C CNN
F 3 "" H 1600 5950 50  0001 C CNN
	1    1600 5950
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0224
U 1 1 5F5309CE
P 1600 5150
F 0 "#PWR0224" H 1600 5000 50  0001 C CNN
F 1 "+3.3V" H 1615 5323 50  0000 C CNN
F 2 "" H 1600 5150 50  0001 C CNN
F 3 "" H 1600 5150 50  0001 C CNN
	1    1600 5150
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0235
U 1 1 5F53CA20
P 10600 850
F 0 "#PWR0235" H 10600 700 50  0001 C CNN
F 1 "+3.3V" H 10615 1023 50  0000 C CNN
F 2 "" H 10600 850 50  0001 C CNN
F 3 "" H 10600 850 50  0001 C CNN
	1    10600 850 
	1    0    0    -1  
$EndComp
Text Label 5300 2150 0    50   ~ 0
RX_Q_SAFE
Text Label 5250 1550 0    50   ~ 0
RX_I_SAFE
Wire Wire Line
	2050 4600 2250 4600
Wire Wire Line
	2250 4500 1850 4500
Text Label 1850 4500 0    50   ~ 0
PTT
$Comp
L Connector:Conn_01x02_Female J201
U 1 1 5F5BD660
P 2300 7100
F 0 "J201" H 2328 7076 50  0000 L CNN
F 1 "Conn_01x02_Female" H 2328 6985 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 2300 7100 50  0001 C CNN
F 3 "~" H 2300 7100 50  0001 C CNN
	1    2300 7100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0232
U 1 1 5F5BDC9F
P 2100 7200
F 0 "#PWR0232" H 2100 6950 50  0001 C CNN
F 1 "GND" H 2105 7027 50  0000 C CNN
F 2 "" H 2100 7200 50  0001 C CNN
F 3 "" H 2100 7200 50  0001 C CNN
	1    2100 7200
	1    0    0    -1  
$EndComp
Text Label 2100 7100 2    50   ~ 0
GPS_REF_CLK
Text Label 2050 2200 2    50   ~ 0
BUTTONS
Wire Wire Line
	1750 3100 2050 3100
Text HLabel 1750 2100 0    50   Input ~ 0
CLK_MEASURE
Text HLabel 1750 2300 0    50   Output ~ 0
TX_BIAS
Text HLabel 1750 3100 0    50   Output ~ 0
RX_EN
Wire Wire Line
	1750 2300 2050 2300
Wire Wire Line
	1750 2100 2050 2100
Text HLabel 3300 1900 2    50   3State ~ 0
SDA1
Text HLabel 3300 2000 2    50   3State ~ 0
SCL1
Text HLabel 3300 3000 2    50   Output ~ 0
TX_Q
Text HLabel 3300 3100 2    50   Output ~ 0
TX_I
Text HLabel 4950 1550 0    50   Input ~ 0
RX_I
Text HLabel 5000 2150 0    50   Input ~ 0
RX_Q
Text HLabel 5600 4100 0    50   Input ~ 0
SWR2
Text HLabel 5300 3150 0    50   Input ~ 0
SWR1
Text Label 6700 3250 2    50   ~ 0
SWR1_SAFE
Text Label 2050 2500 2    50   ~ 0
SWR1_SAFE
Text Label 2050 2600 2    50   ~ 0
SWR2_SAFE
$Comp
L Device:R_US R212
U 1 1 5F55A3F2
P 6150 3250
F 0 "R212" H 6082 3204 50  0000 R CNN
F 1 "1k" H 6082 3295 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 6190 3240 50  0001 C CNN
F 3 "~" H 6150 3250 50  0001 C CNN
	1    6150 3250
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R210
U 1 1 5F416999
P 5550 3550
F 0 "R210" H 5482 3504 50  0000 R CNN
F 1 "10k" H 5482 3595 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5590 3540 50  0001 C CNN
F 3 "~" H 5550 3550 50  0001 C CNN
	1    5550 3550
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R206
U 1 1 5F417011
P 5050 3550
F 0 "R206" H 4982 3504 50  0000 R CNN
F 1 "100" H 4982 3595 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5090 3540 50  0001 C CNN
F 3 "~" H 5050 3550 50  0001 C CNN
	1    5050 3550
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5300 3350 5300 3550
Wire Wire Line
	5300 3550 5200 3550
Wire Wire Line
	5400 3550 5300 3550
Connection ~ 5300 3550
Wire Wire Line
	6000 3250 5950 3250
Wire Wire Line
	5700 3550 5950 3550
Wire Wire Line
	5950 3550 5950 3250
Connection ~ 5950 3250
Wire Wire Line
	5950 3250 5900 3250
$Comp
L power:GND #PWR0211
U 1 1 5F46E0E2
P 4850 3600
F 0 "#PWR0211" H 4850 3350 50  0001 C CNN
F 1 "GND" H 4855 3427 50  0000 C CNN
F 2 "" H 4850 3600 50  0001 C CNN
F 3 "" H 4850 3600 50  0001 C CNN
	1    4850 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 3550 4850 3550
Wire Wire Line
	4850 3550 4850 3600
Text Notes 4650 4900 0    50   ~ 0
This gain is merely a guess. It may be too high or too low.
Text Label 7000 4200 2    50   ~ 0
SWR2_SAFE
$Comp
L Device:R_US R213
U 1 1 5F482DC8
P 6450 4200
F 0 "R213" H 6382 4154 50  0000 R CNN
F 1 "1k" H 6382 4245 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 6490 4190 50  0001 C CNN
F 3 "~" H 6450 4200 50  0001 C CNN
	1    6450 4200
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R211
U 1 1 5F482DFA
P 5850 4500
F 0 "R211" H 5782 4454 50  0000 R CNN
F 1 "10k" H 5782 4545 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5890 4490 50  0001 C CNN
F 3 "~" H 5850 4500 50  0001 C CNN
	1    5850 4500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R209
U 1 1 5F482E04
P 5350 4500
F 0 "R209" H 5282 4454 50  0000 R CNN
F 1 "100" H 5282 4545 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5390 4490 50  0001 C CNN
F 3 "~" H 5350 4500 50  0001 C CNN
	1    5350 4500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5600 4300 5600 4500
Wire Wire Line
	5600 4500 5500 4500
Wire Wire Line
	5700 4500 5600 4500
Connection ~ 5600 4500
Wire Wire Line
	6300 4200 6250 4200
Wire Wire Line
	6000 4500 6250 4500
Wire Wire Line
	6250 4500 6250 4200
Connection ~ 6250 4200
Wire Wire Line
	6250 4200 6200 4200
$Comp
L power:GND #PWR0212
U 1 1 5F482E1B
P 5150 4550
F 0 "#PWR0212" H 5150 4300 50  0001 C CNN
F 1 "GND" H 5155 4377 50  0000 C CNN
F 2 "" H 5150 4550 50  0001 C CNN
F 3 "" H 5150 4550 50  0001 C CNN
	1    5150 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 4500 5150 4500
Wire Wire Line
	5150 4500 5150 4550
$Comp
L power:+12VA #PWR?
U 1 1 5F4E044B
P 7050 1400
AR Path="/5F5D026F/5F4E044B" Ref="#PWR?"  Part="1" 
AR Path="/5ED6119E/5F4E044B" Ref="#PWR0221"  Part="1" 
F 0 "#PWR0221" H 7050 1250 50  0001 C CNN
F 1 "+12VA" H 7065 1573 50  0000 C CNN
F 2 "" H 7050 1400 50  0001 C CNN
F 3 "" H 7050 1400 50  0001 C CNN
	1    7050 1400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0222
U 1 1 5F4E6ECD
P 7050 2100
F 0 "#PWR0222" H 7050 1850 50  0001 C CNN
F 1 "GND" H 7055 1927 50  0000 C CNN
F 2 "" H 7050 2100 50  0001 C CNN
F 3 "" H 7050 2100 50  0001 C CNN
	1    7050 2100
	1    0    0    -1  
$EndComp
Text HLabel 3300 2100 2    50   Input ~ 0
UART1_RX
Text HLabel 3300 2200 2    50   Output ~ 0
UART1_TX
Text HLabel 5950 1550 2    50   Output ~ 0
AUDIO_I
Wire Wire Line
	5950 1550 5800 1550
Text HLabel 5950 2150 2    50   Output ~ 0
AUDIO_Q
Text HLabel 1150 5550 0    50   Input ~ 0
USB_MIC
$Comp
L Device:C C207
U 1 1 5F77E44C
P 3600 1550
F 0 "C207" V 3348 1550 50  0000 C CNN
F 1 "1u" V 3439 1550 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 3638 1400 50  0001 C CNN
F 3 "~" H 3600 1550 50  0001 C CNN
	1    3600 1550
	-1   0    0    1   
$EndComp
Connection ~ 3600 1700
Wire Wire Line
	3600 1700 3300 1700
$Comp
L Device:C C208
U 1 1 5F782E2B
P 4000 1550
F 0 "C208" V 3748 1550 50  0000 C CNN
F 1 "100n" V 3839 1550 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 4038 1400 50  0001 C CNN
F 3 "~" H 4000 1550 50  0001 C CNN
	1    4000 1550
	-1   0    0    1   
$EndComp
Connection ~ 4000 1700
Wire Wire Line
	4000 1700 3600 1700
Wire Wire Line
	3400 1400 3600 1400
Connection ~ 3400 1400
Wire Wire Line
	3400 1400 3400 1600
Connection ~ 3600 1400
Wire Wire Line
	3600 1400 4000 1400
$Comp
L Device:C C204
U 1 1 5F79EE34
P 1700 3450
F 0 "C204" V 1448 3450 50  0000 C CNN
F 1 "1u" V 1539 3450 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 1738 3300 50  0001 C CNN
F 3 "~" H 1700 3450 50  0001 C CNN
	1    1700 3450
	-1   0    0    1   
$EndComp
Wire Wire Line
	1700 3300 1300 3300
$Comp
L Device:C C202
U 1 1 5F79FA03
P 1300 3450
F 0 "C202" V 1048 3450 50  0000 C CNN
F 1 "100n" V 1139 3450 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 1338 3300 50  0001 C CNN
F 3 "~" H 1300 3450 50  0001 C CNN
	1    1300 3450
	-1   0    0    1   
$EndComp
Connection ~ 1300 3300
Wire Wire Line
	1300 3300 1200 3300
Connection ~ 1700 3300
Wire Wire Line
	1300 3600 1700 3600
Connection ~ 2000 3600
Wire Wire Line
	2000 3600 2000 3700
Connection ~ 1700 3600
Wire Wire Line
	1700 3600 2000 3600
$Comp
L Connector:TestPoint TP201
U 1 1 5F7B51D5
P 2200 6150
F 0 "TP201" V 2154 6338 50  0000 L CNN
F 1 "TestPoint" V 2245 6338 50  0000 L CNN
F 2 "Measurement_Points:Measurement_Point_Round-SMD-Pad_Small" H 2400 6150 50  0001 C CNN
F 3 "~" H 2400 6150 50  0001 C CNN
	1    2200 6150
	0    1    1    0   
$EndComp
Connection ~ 2200 6150
Wire Wire Line
	2200 6150 2200 6300
$Comp
L Connector:TestPoint TP202
U 1 1 5F7B5C2C
P 3000 6200
F 0 "TP202" V 2954 6388 50  0000 L CNN
F 1 "TestPoint" V 3045 6388 50  0000 L CNN
F 2 "Measurement_Points:Measurement_Point_Round-SMD-Pad_Small" H 3200 6200 50  0001 C CNN
F 3 "~" H 3200 6200 50  0001 C CNN
	1    3000 6200
	0    1    1    0   
$EndComp
Wire Wire Line
	3000 6200 3000 6300
$Comp
L Device:R_US R202
U 1 1 5F81EBE3
P 5200 5950
AR Path="/5ED6119E/5F81EBE3" Ref="R202"  Part="1" 
AR Path="/5F81EBE3" Ref="R?"  Part="1" 
F 0 "R202" H 5268 5996 50  0000 L CNN
F 1 "10k" H 5268 5905 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 5240 5940 50  0001 C CNN
F 3 "~" H 5200 5950 50  0001 C CNN
	1    5200 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R201
U 1 1 5F81EBE9
P 5200 5550
AR Path="/5ED6119E/5F81EBE9" Ref="R201"  Part="1" 
AR Path="/5F81EBE9" Ref="R?"  Part="1" 
F 0 "R201" H 5268 5596 50  0000 L CNN
F 1 "150k" H 5268 5505 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 5240 5540 50  0001 C CNN
F 3 "~" H 5200 5550 50  0001 C CNN
	1    5200 5550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0204
U 1 1 5F81EBEF
P 5200 6200
AR Path="/5ED6119E/5F81EBEF" Ref="#PWR0204"  Part="1" 
AR Path="/5F81EBEF" Ref="#PWR?"  Part="1" 
F 0 "#PWR0204" H 5200 5950 50  0001 C CNN
F 1 "GND" H 5205 6027 50  0000 C CNN
F 2 "" H 5200 6200 50  0001 C CNN
F 3 "" H 5200 6200 50  0001 C CNN
	1    5200 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 5700 5200 5750
Connection ~ 5200 5750
Wire Wire Line
	5200 5750 5200 5800
Text Label 5650 5750 0    50   ~ 0
VBAT
$Comp
L power:+12V #PWR0203
U 1 1 5F81EBF9
P 5200 5400
AR Path="/5ED6119E/5F81EBF9" Ref="#PWR0203"  Part="1" 
AR Path="/5F81EBF9" Ref="#PWR?"  Part="1" 
F 0 "#PWR0203" H 5200 5250 50  0001 C CNN
F 1 "+12V" H 5215 5573 50  0000 C CNN
F 2 "" H 5200 5400 50  0001 C CNN
F 3 "" H 5200 5400 50  0001 C CNN
	1    5200 5400
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0206
U 1 1 5F81EC05
P 4850 5450
AR Path="/5ED6119E/5F81EC05" Ref="#PWR0206"  Part="1" 
AR Path="/5F81EC05" Ref="#PWR?"  Part="1" 
F 0 "#PWR0206" H 4850 5300 50  0001 C CNN
F 1 "+3.3V" H 4865 5623 50  0000 C CNN
F 2 "" H 4850 5450 50  0001 C CNN
F 3 "" H 4850 5450 50  0001 C CNN
	1    4850 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 5750 5550 5750
Wire Wire Line
	5550 5750 5650 5750
Connection ~ 5550 5750
$Comp
L Amplifier_Operational:LM4562 U202
U 2 1 5F83693B
P 5900 4200
AR Path="/5ED6119E/5F83693B" Ref="U202"  Part="2" 
AR Path="/5F5D026F/5F83693B" Ref="U?"  Part="2" 
F 0 "U202" H 5900 4567 50  0000 C CNN
F 1 "LM4562" H 5900 4476 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 5900 4200 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/snas326k/snas326k.pdf" H 5900 4200 50  0001 C CNN
	2    5900 4200
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM4562 U202
U 1 1 5F840C97
P 5600 3250
AR Path="/5ED6119E/5F840C97" Ref="U202"  Part="1" 
AR Path="/5F5D026F/5F840C97" Ref="U?"  Part="2" 
F 0 "U202" H 5600 3617 50  0000 C CNN
F 1 "LM4562" H 5600 3526 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 5600 3250 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/snas326k/snas326k.pdf" H 5600 3250 50  0001 C CNN
	1    5600 3250
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM4562 U202
U 3 1 5F8421FA
P 7150 1750
AR Path="/5ED6119E/5F8421FA" Ref="U202"  Part="3" 
AR Path="/5F5D026F/5F8421FA" Ref="U?"  Part="2" 
F 0 "U202" H 7250 1850 50  0000 C CNN
F 1 "LM4562" H 7250 1750 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 7150 1750 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/snas326k/snas326k.pdf" H 7150 1750 50  0001 C CNN
	3    7150 1750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C209
U 1 1 5F84DACD
P 6850 1750
F 0 "C209" V 6598 1750 50  0000 C CNN
F 1 "1u" V 6689 1750 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 6888 1600 50  0001 C CNN
F 3 "~" H 6850 1750 50  0001 C CNN
	1    6850 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	6850 1600 6850 1450
Wire Wire Line
	6850 1450 7050 1450
Wire Wire Line
	7050 1400 7050 1450
Connection ~ 7050 1450
Wire Wire Line
	6850 1900 6850 2050
Wire Wire Line
	6850 2050 7050 2050
Wire Wire Line
	7050 2050 7050 2100
Connection ~ 7050 2050
$Comp
L Device:C C205
U 1 1 5F879BB3
P 5550 5950
F 0 "C205" V 5298 5950 50  0000 C CNN
F 1 "1u" V 5389 5950 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 5588 5800 50  0001 C CNN
F 3 "~" H 5550 5950 50  0001 C CNN
	1    5550 5950
	-1   0    0    1   
$EndComp
Wire Wire Line
	5550 5800 5550 5750
Wire Wire Line
	5200 6100 5550 6100
Connection ~ 5200 6100
$Comp
L Device:LED D203
U 1 1 5F88EE79
P 3900 3650
F 0 "D203" V 3939 3532 50  0000 R CNN
F 1 "LED" V 3848 3532 50  0000 R CNN
F 2 "LEDs:LED_0805" H 3900 3650 50  0001 C CNN
F 3 "~" H 3900 3650 50  0001 C CNN
	1    3900 3650
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED D202
U 1 1 5F88FDD1
P 3400 3650
F 0 "D202" V 3439 3532 50  0000 R CNN
F 1 "LED" V 3348 3532 50  0000 R CNN
F 2 "LEDs:LED_0805" H 3400 3650 50  0001 C CNN
F 3 "~" H 3400 3650 50  0001 C CNN
	1    3400 3650
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3300 3500 3400 3500
$Comp
L Device:R_US R203
U 1 1 5F8A5A27
P 3400 3950
AR Path="/5ED6119E/5F8A5A27" Ref="R203"  Part="1" 
AR Path="/5F8A5A27" Ref="R?"  Part="1" 
F 0 "R203" H 3468 3996 50  0000 L CNN
F 1 "1k" H 3468 3905 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 3440 3940 50  0001 C CNN
F 3 "~" H 3400 3950 50  0001 C CNN
	1    3400 3950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R205
U 1 1 5F8A5E82
P 3900 3950
AR Path="/5ED6119E/5F8A5E82" Ref="R205"  Part="1" 
AR Path="/5F8A5E82" Ref="R?"  Part="1" 
F 0 "R205" H 3968 3996 50  0000 L CNN
F 1 "1k" H 3968 3905 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 3940 3940 50  0001 C CNN
F 3 "~" H 3900 3950 50  0001 C CNN
	1    3900 3950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0208
U 1 1 5F8A6F50
P 3600 4100
F 0 "#PWR0208" H 3600 3850 50  0001 C CNN
F 1 "GND" H 3605 3927 50  0000 C CNN
F 2 "" H 3600 4100 50  0001 C CNN
F 3 "" H 3600 4100 50  0001 C CNN
	1    3600 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 4100 3600 4100
Connection ~ 3600 4100
Wire Wire Line
	3600 4100 3900 4100
Wire Wire Line
	3900 3400 3900 3500
Wire Wire Line
	3300 3400 3900 3400
Text Label 3400 3500 0    50   ~ 0
RED_LED
Text Label 3700 3400 0    50   ~ 0
GREEN_LED
Wire Wire Line
	2050 1600 2150 1600
Text Label 2050 2400 2    50   ~ 0
Therm
$Comp
L Device:R_US R204
U 1 1 5F9590D5
P 7100 6000
AR Path="/5ED6119E/5F9590D5" Ref="R204"  Part="1" 
AR Path="/5F9590D5" Ref="R?"  Part="1" 
F 0 "R204" H 7168 6046 50  0000 L CNN
F 1 "10k" H 7168 5955 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 7140 5990 50  0001 C CNN
F 3 "~" H 7100 6000 50  0001 C CNN
	1    7100 6000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0209
U 1 1 5F9594C0
P 6950 6200
AR Path="/5ED6119E/5F9594C0" Ref="#PWR0209"  Part="1" 
AR Path="/5F9594C0" Ref="#PWR?"  Part="1" 
F 0 "#PWR0209" H 6950 5950 50  0001 C CNN
F 1 "GND" H 6955 6027 50  0000 C CNN
F 2 "" H 6950 6200 50  0001 C CNN
F 3 "" H 6950 6200 50  0001 C CNN
	1    6950 6200
	1    0    0    -1  
$EndComp
Text HLabel 7150 5800 2    50   Input ~ 0
Therm
Wire Wire Line
	7150 5800 7100 5800
Wire Wire Line
	7100 5850 7100 5800
Connection ~ 7100 5800
$Comp
L Device:C C206
U 1 1 5F980065
P 6750 5950
F 0 "C206" V 6498 5950 50  0000 C CNN
F 1 "10n" V 6589 5950 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 6788 5800 50  0001 C CNN
F 3 "~" H 6750 5950 50  0001 C CNN
	1    6750 5950
	-1   0    0    1   
$EndComp
Wire Wire Line
	6750 5800 7100 5800
Wire Wire Line
	6750 6100 6750 6200
Wire Wire Line
	6750 6200 6950 6200
Wire Wire Line
	7100 6200 7100 6150
Connection ~ 6950 6200
Wire Wire Line
	6950 6200 7100 6200
Text Notes 6650 5700 0    50   ~ 0
Thermistor\nTemperature\nMeasurement
NoConn ~ 2050 1600
NoConn ~ 2050 1700
NoConn ~ 2050 2000
NoConn ~ 3300 1800
NoConn ~ 2050 3500
NoConn ~ 3300 2700
$Comp
L Device:C C211
U 1 1 5FE4A70F
P 2200 5950
F 0 "C211" H 2315 5996 50  0000 L CNN
F 1 "15u" H 2315 5905 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 2238 5800 50  0001 C CNN
F 3 "~" H 2200 5950 50  0001 C CNN
	1    2200 5950
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 5800 2200 5900
Wire Wire Line
	2200 5750 2200 5800
Connection ~ 2200 5800
$Comp
L Device:C C215
U 1 1 5FE64B72
P 3000 6000
F 0 "C215" H 3115 6046 50  0000 L CNN
F 1 "15u" H 3115 5955 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 3038 5850 50  0001 C CNN
F 3 "~" H 3000 6000 50  0001 C CNN
	1    3000 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3000 6150 3000 6200
Connection ~ 3000 6200
$Comp
L Device:R_US R207
U 1 1 5FE73124
P 5100 1550
F 0 "R207" H 5032 1504 50  0000 R CNN
F 1 "1k" H 5032 1595 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5140 1540 50  0001 C CNN
F 3 "~" H 5100 1550 50  0001 C CNN
	1    5100 1550
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R208
U 1 1 5FE73A28
P 5150 2150
F 0 "R208" H 5082 2104 50  0000 R CNN
F 1 "1k" H 5082 2195 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5190 2140 50  0001 C CNN
F 3 "~" H 5150 2150 50  0001 C CNN
	1    5150 2150
	0    1    1    0   
$EndComp
Wire Wire Line
	5250 1550 5800 1550
$Comp
L Device:D_Schottky_x2_Serial_AKC D206
U 1 1 5F449091
P 6900 3250
F 0 "D206" V 6946 3330 50  0000 L CNN
F 1 "BAT54S" V 6855 3330 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 6900 3250 50  0001 C CNN
F 3 "~" H 6900 3250 50  0001 C CNN
	1    6900 3250
	0    1    -1   0   
$EndComp
$Comp
L power:GND #PWR0218
U 1 1 5F44AF69
P 6900 3550
F 0 "#PWR0218" H 6900 3300 50  0001 C CNN
F 1 "GND" H 6905 3377 50  0000 C CNN
F 2 "" H 6900 3550 50  0001 C CNN
F 3 "" H 6900 3550 50  0001 C CNN
	1    6900 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	5300 2150 5800 2150
$Comp
L Device:D_Schottky_x2_Serial_AKC D204
U 1 1 5F460D50
P 5800 1300
F 0 "D204" H 5800 1517 50  0000 C CNN
F 1 "BAT54S" H 5800 1426 50  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 5800 1300 50  0001 C CNN
F 3 "~" H 5800 1300 50  0001 C CNN
	1    5800 1300
	-1   0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0213
U 1 1 5F460D5A
P 5500 1300
F 0 "#PWR0213" H 5500 1150 50  0001 C CNN
F 1 "+3.3V" H 5515 1473 50  0000 C CNN
F 2 "" H 5500 1300 50  0001 C CNN
F 3 "" H 5500 1300 50  0001 C CNN
	1    5500 1300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0215
U 1 1 5F460D64
P 6100 1300
F 0 "#PWR0215" H 6100 1050 50  0001 C CNN
F 1 "GND" H 6105 1127 50  0000 C CNN
F 2 "" H 6100 1300 50  0001 C CNN
F 3 "" H 6100 1300 50  0001 C CNN
	1    6100 1300
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Schottky_x2_Serial_AKC D205
U 1 1 5F470D9A
P 5800 1900
F 0 "D205" H 5800 2117 50  0000 C CNN
F 1 "BAT54S" H 5800 2026 50  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 5800 1900 50  0001 C CNN
F 3 "~" H 5800 1900 50  0001 C CNN
	1    5800 1900
	-1   0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0214
U 1 1 5F470DA4
P 5500 1900
F 0 "#PWR0214" H 5500 1750 50  0001 C CNN
F 1 "+3.3V" H 5515 2073 50  0000 C CNN
F 2 "" H 5500 1900 50  0001 C CNN
F 3 "" H 5500 1900 50  0001 C CNN
	1    5500 1900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0216
U 1 1 5F470DAE
P 6100 1900
F 0 "#PWR0216" H 6100 1650 50  0001 C CNN
F 1 "GND" H 6105 1727 50  0000 C CNN
F 2 "" H 6100 1900 50  0001 C CNN
F 3 "" H 6100 1900 50  0001 C CNN
	1    6100 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 2100 5800 2150
Connection ~ 5800 2150
Wire Wire Line
	5800 2150 5950 2150
$Comp
L power:+3.3V #PWR0217
U 1 1 5F44A10D
P 6900 2950
F 0 "#PWR0217" H 6900 2800 50  0001 C CNN
F 1 "+3.3V" H 6915 3123 50  0000 C CNN
F 2 "" H 6900 2950 50  0001 C CNN
F 3 "" H 6900 2950 50  0001 C CNN
	1    6900 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6300 3250 6700 3250
$Comp
L Device:D_Schottky_x2_Serial_AKC D207
U 1 1 5F4C61E5
P 7250 4200
F 0 "D207" V 7296 4280 50  0000 L CNN
F 1 "BAT54S" V 7205 4280 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 7250 4200 50  0001 C CNN
F 3 "~" H 7250 4200 50  0001 C CNN
	1    7250 4200
	0    1    -1   0   
$EndComp
$Comp
L power:GND #PWR0220
U 1 1 5F4C61EF
P 7250 4500
F 0 "#PWR0220" H 7250 4250 50  0001 C CNN
F 1 "GND" H 7255 4327 50  0000 C CNN
F 2 "" H 7250 4500 50  0001 C CNN
F 3 "" H 7250 4500 50  0001 C CNN
	1    7250 4500
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0219
U 1 1 5F4C61F9
P 7250 3900
F 0 "#PWR0219" H 7250 3750 50  0001 C CNN
F 1 "+3.3V" H 7265 4073 50  0000 C CNN
F 2 "" H 7250 3900 50  0001 C CNN
F 3 "" H 7250 3900 50  0001 C CNN
	1    7250 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7050 4200 6600 4200
$Comp
L Device:D_Schottky_x2_Serial_AKC D201
U 1 1 5F62DE0B
P 4850 5750
F 0 "D201" V 4896 5830 50  0000 L CNN
F 1 "BAT54S" V 4805 5830 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 4850 5750 50  0001 C CNN
F 3 "~" H 4850 5750 50  0001 C CNN
	1    4850 5750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4850 6050 4850 6100
Wire Wire Line
	4850 6100 5200 6100
Wire Wire Line
	5200 6100 5200 6200
Wire Wire Line
	5050 5750 5200 5750
Text Label 1850 1800 2    50   ~ 0
ENC2_A
Text Label 1850 1900 2    50   ~ 0
ENC2_B
Wire Wire Line
	1850 1800 2050 1800
Wire Wire Line
	2050 1900 1850 1900
$Comp
L Device:R_US R232
U 1 1 5F69FD69
P 10600 4500
F 0 "R232" H 10532 4454 50  0000 R CNN
F 1 "1k" H 10532 4545 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 4490 50  0001 C CNN
F 3 "~" H 10600 4500 50  0001 C CNN
	1    10600 4500
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R231
U 1 1 5F69FD76
P 10600 4150
F 0 "R231" H 10532 4104 50  0000 R CNN
F 1 "1k" H 10532 4195 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 4140 50  0001 C CNN
F 3 "~" H 10600 4150 50  0001 C CNN
	1    10600 4150
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R230
U 1 1 5F69FD80
P 10600 3450
F 0 "R230" H 10532 3404 50  0000 R CNN
F 1 "1k" H 10532 3495 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 3440 50  0001 C CNN
F 3 "~" H 10600 3450 50  0001 C CNN
	1    10600 3450
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R229
U 1 1 5F69FD8A
P 10600 3000
F 0 "R229" H 10532 2954 50  0000 R CNN
F 1 "1k" H 10532 3045 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 2990 50  0001 C CNN
F 3 "~" H 10600 3000 50  0001 C CNN
	1    10600 3000
	-1   0    0    1   
$EndComp
Wire Wire Line
	10600 4300 10600 4350
$Comp
L Device:R_US R228
U 1 1 5F6CDADC
P 10600 1000
F 0 "R228" H 10532 954 50  0000 R CNN
F 1 "1k" H 10532 1045 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10640 990 50  0001 C CNN
F 3 "~" H 10600 1000 50  0001 C CNN
	1    10600 1000
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0236
U 1 1 5F6D008F
P 9150 4300
F 0 "#PWR0236" H 9150 4050 50  0001 C CNN
F 1 "GND" H 9155 4127 50  0000 C CNN
F 2 "" H 9150 4300 50  0001 C CNN
F 3 "" H 9150 4300 50  0001 C CNN
	1    9150 4300
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R225
U 1 1 5F6D0099
P 8800 3600
F 0 "R225" H 8732 3554 50  0000 R CNN
F 1 "1k" H 8732 3645 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 8840 3590 50  0001 C CNN
F 3 "~" H 8800 3600 50  0001 C CNN
	1    8800 3600
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R226
U 1 1 5F6D00A3
P 8800 3800
F 0 "R226" H 8732 3754 50  0000 R CNN
F 1 "1k" H 8732 3845 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 8840 3790 50  0001 C CNN
F 3 "~" H 8800 3800 50  0001 C CNN
	1    8800 3800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8650 3600 8650 3800
Wire Wire Line
	8650 3600 8550 3600
Connection ~ 8650 3600
Wire Wire Line
	8950 3600 9000 3600
Wire Wire Line
	9500 3800 9300 3800
Wire Wire Line
	9500 3700 9150 3700
Wire Wire Line
	9150 3700 9150 4250
$Comp
L Device:C C203
U 1 1 5F6D00BE
P 9300 4100
F 0 "C203" V 9048 4100 50  0000 C CNN
F 1 "100n" V 9139 4100 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 9338 3950 50  0001 C CNN
F 3 "~" H 9300 4100 50  0001 C CNN
	1    9300 4100
	-1   0    0    1   
$EndComp
$Comp
L Device:C C201
U 1 1 5F6D00C8
P 9000 4100
F 0 "C201" V 8748 4100 50  0000 C CNN
F 1 "100n" V 8839 4100 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 9038 3950 50  0001 C CNN
F 3 "~" H 9000 4100 50  0001 C CNN
	1    9000 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 4250 9150 4250
Wire Wire Line
	9000 3950 9000 3600
Connection ~ 9000 3600
Wire Wire Line
	9000 3600 9500 3600
Wire Wire Line
	9300 3950 9300 3800
Connection ~ 9300 3800
Wire Wire Line
	9300 3800 8950 3800
Connection ~ 9150 4250
Wire Wire Line
	9150 4250 9150 4300
Wire Wire Line
	9150 4250 9300 4250
Text Label 9200 3600 0    50   ~ 0
ENC2_A
Text Label 9200 3800 0    50   ~ 0
ENC2_B
$Comp
L power:GND #PWR0237
U 1 1 5F6E24BF
P 10600 4650
F 0 "#PWR0237" H 10600 4400 50  0001 C CNN
F 1 "GND" H 10605 4477 50  0000 C CNN
F 2 "" H 10600 4650 50  0001 C CNN
F 3 "" H 10600 4650 50  0001 C CNN
	1    10600 4650
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R227
U 1 1 5F756B0E
P 10200 4500
F 0 "R227" H 10132 4454 50  0000 R CNN
F 1 "1M" H 10132 4545 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10240 4490 50  0001 C CNN
F 3 "~" H 10200 4500 50  0001 C CNN
	1    10200 4500
	-1   0    0    1   
$EndComp
Wire Wire Line
	10200 4650 10600 4650
Connection ~ 10600 4650
Wire Wire Line
	10600 1700 10600 1750
Wire Wire Line
	10600 2750 10600 2800
Wire Wire Line
	10600 3150 10600 3200
Wire Wire Line
	10200 1300 10200 1750
$Comp
L Switch:SW_Push SW204
U 1 1 5F7A435C
P 10400 1750
F 0 "SW204" H 10400 2035 50  0000 C CNN
F 1 "1825910-6" H 10400 1944 50  0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm_h5mm" H 10400 1950 50  0001 C CNN
F 3 "~" H 10400 1950 50  0001 C CNN
	1    10400 1750
	1    0    0    -1  
$EndComp
Connection ~ 10600 1750
Wire Wire Line
	10600 1750 10600 1800
$Comp
L Switch:SW_Push SW205
U 1 1 5F7A45E7
P 10400 2450
F 0 "SW205" H 10400 2735 50  0000 C CNN
F 1 "1825910-6" H 10400 2644 50  0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm_h5mm" H 10400 2650 50  0001 C CNN
F 3 "~" H 10400 2650 50  0001 C CNN
	1    10400 2450
	1    0    0    -1  
$EndComp
Connection ~ 10200 2450
Wire Wire Line
	10200 2450 10200 2800
Connection ~ 10600 2450
$Comp
L Switch:SW_Push SW206
U 1 1 5F7A4BC4
P 10400 2800
F 0 "SW206" H 10400 3085 50  0000 C CNN
F 1 "1825910-6" H 10400 2994 50  0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm_h5mm" H 10400 3000 50  0001 C CNN
F 3 "~" H 10400 3000 50  0001 C CNN
	1    10400 2800
	1    0    0    -1  
$EndComp
Connection ~ 10200 2800
Wire Wire Line
	10200 2800 10200 3200
Connection ~ 10600 2800
Wire Wire Line
	10600 2800 10600 2850
$Comp
L Switch:SW_Push SW207
U 1 1 5F7A50DF
P 10400 3200
F 0 "SW207" H 10400 3485 50  0000 C CNN
F 1 "1825910-6" H 10400 3394 50  0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm_h5mm" H 10400 3400 50  0001 C CNN
F 3 "~" H 10400 3400 50  0001 C CNN
	1    10400 3200
	1    0    0    -1  
$EndComp
Connection ~ 10200 3200
Connection ~ 10600 3200
Wire Wire Line
	10600 3200 10600 3300
$Comp
L Switch:SW_Push SW208
U 1 1 5F7A54CE
P 10400 3950
F 0 "SW208" H 10400 4235 50  0000 C CNN
F 1 "1825910-6" H 10400 4144 50  0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm_h5mm" H 10400 4150 50  0001 C CNN
F 3 "~" H 10400 4150 50  0001 C CNN
	1    10400 3950
	1    0    0    -1  
$EndComp
Connection ~ 10600 3950
Wire Wire Line
	10600 3950 10600 4000
$Comp
L Switch:SW_Push SW209
U 1 1 5F7A591D
P 10400 4350
F 0 "SW209" H 10400 4635 50  0000 C CNN
F 1 "1825910-6" H 10400 4544 50  0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm_h5mm" H 10400 4550 50  0001 C CNN
F 3 "~" H 10400 4550 50  0001 C CNN
	1    10400 4350
	1    0    0    -1  
$EndComp
Connection ~ 10200 4350
Connection ~ 10600 4350
Text Label 10200 1500 1    50   ~ 0
BUTTONS
$Comp
L Device:D_Schottky_x2_Serial_AKC D208
U 1 1 5F642D20
P 1300 5150
F 0 "D208" V 1346 5230 50  0000 L CNN
F 1 "BAT54S" V 1255 5230 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 1300 5150 50  0001 C CNN
F 3 "~" H 1300 5150 50  0001 C CNN
	1    1300 5150
	1    0    0    -1  
$EndComp
Connection ~ 1600 5150
Wire Wire Line
	1300 5350 1300 5550
Connection ~ 1300 5550
Wire Wire Line
	1300 5550 1600 5550
$Comp
L power:GND #PWR0116
U 1 1 5F662BCA
P 1000 5150
F 0 "#PWR0116" H 1000 4900 50  0001 C CNN
F 1 "GND" H 1005 4977 50  0000 C CNN
F 2 "" H 1000 5150 50  0001 C CNN
F 3 "" H 1000 5150 50  0001 C CNN
	1    1000 5150
	1    0    0    -1  
$EndComp
Wire Wire Line
	10600 3900 10600 3950
$Comp
L Device:Rotary_Encoder_Switch SW202
U 1 1 5F6D0085
P 9800 3700
F 0 "SW202" H 9800 4067 50  0000 C CNN
F 1 "Rotary_Encoder_Switch" H 9800 3976 50  0000 C CNN
F 2 "uSDX:Rotary_Encoder_Sw" H 9650 3860 50  0001 C CNN
F 3 "~" H 9800 3960 50  0001 C CNN
	1    9800 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	10100 3600 10600 3600
Wire Wire Line
	10100 3800 10200 3800
Wire Wire Line
	10200 3800 10200 3950
Connection ~ 10200 3950
Wire Wire Line
	10200 3950 10200 4350
Connection ~ 10600 3600
Wire Wire Line
	10200 3200 10200 3800
Connection ~ 10200 3800
Wire Wire Line
	10100 2300 10200 2300
Connection ~ 10200 2300
Wire Wire Line
	10200 2300 10200 2450
Wire Wire Line
	10100 2100 10600 2100
Connection ~ 10600 2100
Wire Wire Line
	10200 1750 10200 2300
Connection ~ 10200 1750
Wire Wire Line
	10600 1150 10600 1300
$Comp
L power:+3.3V #PWR0117
U 1 1 5FAFB4A3
P 8550 3600
F 0 "#PWR0117" H 8550 3450 50  0001 C CNN
F 1 "+3.3V" H 8565 3773 50  0000 C CNN
F 2 "" H 8550 3600 50  0001 C CNN
F 3 "" H 8550 3600 50  0001 C CNN
	1    8550 3600
	1    0    0    -1  
$EndComp
$EndSCHEMATC