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1120
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1126
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1128
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1130
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1471
1472
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1500
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1523
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1574
1575
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1577
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1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
DTR
Connection ~ 1500 1300
$Comp
L Regulator_Linear:AP2112K-3.3 U2
U 1 1 5C146BB0
P 2200 1400
F 0 "U2" H 2200 1742 50 0000 C CNN
F 1 "AP2112K-3.3" H 2200 1651 50 0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23-5_HandSoldering" H 2200 1725 50 0001 C CNN
F 3 "https://www.diodes.com/assets/Datasheets/AP2112.pdf" H 2200 1500 50 0001 C CNN
1 2200 1400
1 0 0 -1
$EndComp
Wire Wire Line
1500 1300 1650 1300
Wire Wire Line
1900 1300 1650 1300
Connection ~ 1650 1300
Wire Wire Line
1650 1600 1650 1650
Wire Wire Line
1650 1650 1800 1650
Wire Wire Line
1900 1650 1900 1400
Wire Wire Line
1800 1700 1800 1650
Connection ~ 1800 1650
Wire Wire Line
1800 1650 1900 1650
Wire Wire Line
2200 1700 2200 1950
NoConn ~ 2150 6800
NoConn ~ 2250 6800
NoConn ~ 2350 6800
NoConn ~ 2450 6800
NoConn ~ 2550 6800
NoConn ~ 2650 6800
NoConn ~ 1550 5350
NoConn ~ 1550 5450
NoConn ~ 1550 5950
NoConn ~ 1550 6050
$Comp
L MBRA160T3G:MBRA160T3G D1
U 1 1 5C2B9D66
P 850 1300
F 0 "D1" H 850 1517 50 0000 C CNN
F 1 "MBRA160T3G" H 850 1426 50 0000 C CNN
F 2 "adafruit:SOD-323F" H 850 1300 50 0001 L BNN
F 3 "MBRA160T3G" H 850 1300 50 0001 L BNN
F 4 "Unavailable" H 850 1300 50 0001 L BNN "Feld4"
F 5 "DO-214 ON Semiconductor" H 850 1300 50 0001 L BNN "Feld5"
F 6 "ON Semiconductor" H 850 1300 50 0001 L BNN "Feld6"
F 7 "None" H 850 1300 50 0001 L BNN "Feld7"
F 8 "MBRA Series 60 V 1 A Surface Mount Schottky Power Rectifier CASE-403D" H 850 1300 50 0001 L BNN "Feld8"
1 850 1300
1 0 0 -1
$EndComp
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP7
U 1 1 5C2BC96E
P 3900 3400
F 0 "JP7" H 3772 3354 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 3772 3445 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 3930 3550 20 0001 C CNN
F 3 "" H 3900 3400 60 0000 C CNN
1 3900 3400
-1 0 0 1
$EndComp
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP10
U 1 1 5C2BCA94
P 3900 3600
F 0 "JP10" H 3772 3554 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 3772 3645 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 3930 3750 20 0001 C CNN
F 3 "" H 3900 3600 60 0000 C CNN
1 3900 3600
-1 0 0 1
$EndComp
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP11
U 1 1 5C2BCB3E
P 3900 3800
F 0 "JP11" H 3772 3754 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 3772 3845 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 3930 3950 20 0001 C CNN
F 3 "" H 3900 3800 60 0000 C CNN
1 3900 3800
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0128
U 1 1 5C2BCBC2
P 3500 3800
F 0 "#PWR0128" H 3500 3550 50 0001 C CNN
F 1 "GND" H 3505 3627 50 0000 C CNN
F 2 "" H 3500 3800 50 0001 C CNN
F 3 "" H 3500 3800 50 0001 C CNN
1 3500 3800
0 1 1 0
$EndComp
Wire Wire Line
3600 3600 3500 3600
Wire Wire Line
3600 3800 3500 3800
Wire Wire Line
3500 3400 3600 3400
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP12
U 1 1 5C2E117F
P 9200 1450
F 0 "JP12" H 9072 1404 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 9072 1495 50 0000 R CNN
F 2 "SparkFun-Connectors:1X01NS-KIT" H 9230 1600 20 0001 C CNN
F 3 "" H 9200 1450 60 0000 C CNN
1 9200 1450
0 -1 -1 0
$EndComp
Wire Wire Line
9350 1150 9200 1150
Wire Wire Line
9000 1150 9200 1150
Connection ~ 9200 1150
Wire Wire Line
10200 4000 10200 4050
Text GLabel 10700 1700 2 60 Input ~ 0
USB_DM
Wire Wire Line
10400 1700 10700 1700
Text GLabel 10700 1800 2 60 Input ~ 0
USB_DP
Wire Wire Line
10400 1800 10700 1800
Wire Wire Line
5350 1450 5250 1450
Text GLabel 5350 1450 2 60 Input ~ 0
RTS
Wire Wire Line
5350 1650 5250 1650
Text GLabel 5350 1650 2 60 Input ~ 0
DTR
Wire Wire Line
3750 2650 3750 2800
$Comp
L power:GND #PWR0141
U 1 1 5C1F810A
P 3750 2800
F 0 "#PWR0141" H 3750 2550 50 0001 C CNN
F 1 "GND" H 3755 2627 50 0000 C CNN
F 2 "" H 3750 2800 50 0001 C CNN
F 3 "" H 3750 2800 50 0001 C CNN
1 3750 2800
1 0 0 -1
$EndComp
$Comp
L Device:C C9
U 1 1 5C1F8060
P 3750 2500
F 0 "C9" H 3865 2546 50 0000 L CNN
F 1 "0u1" H 3865 2455 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3788 2350 50 0001 C CNN
F 3 "~" H 3750 2500 50 0001 C CNN
1 3750 2500
1 0 0 -1
$EndComp
Wire Wire Line
3850 1250 3750 1250
Connection ~ 3750 1250
Wire Wire Line
3750 900 3750 1250
Wire Wire Line
3750 900 4650 900
Wire Wire Line
3750 2350 3750 1850
Wire Wire Line
3750 1250 3750 1850
Connection ~ 3750 1850
Wire Wire Line
3750 1850 3850 1850
Wire Wire Line
4650 950 4650 900
Wire Wire Line
4450 850 4450 950
$Comp
L power:VBUS #PWR0140
U 1 1 5C1C46E8
P 4450 850
F 0 "#PWR0140" H 4450 700 50 0001 C CNN
F 1 "VBUS" H 4465 1023 50 0000 C CNN
F 2 "" H 4450 850 50 0001 C CNN
F 3 "" H 4450 850 50 0001 C CNN
1 4450 850
1 0 0 -1
$EndComp
Wire Wire Line
4450 2750 4450 2800
Wire Wire Line
4650 2750 4650 2800
$Comp
L power:GND #PWR0139
U 1 1 5C1B09E4
P 4650 2800
F 0 "#PWR0139" H 4650 2550 50 0001 C CNN
F 1 "GND" H 4655 2627 50 0000 C CNN
F 2 "" H 4650 2800 50 0001 C CNN
F 3 "" H 4650 2800 50 0001 C CNN
1 4650 2800
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0138
U 1 1 5C1B0961
P 4450 2800
F 0 "#PWR0138" H 4450 2550 50 0001 C CNN
F 1 "GND" H 4455 2627 50 0000 C CNN
F 2 "" H 4450 2800 50 0001 C CNN
F 3 "" H 4450 2800 50 0001 C CNN
1 4450 2800
1 0 0 -1
$EndComp
Text GLabel 5350 1250 2 60 Input ~ 0
RXD_ESP
Text GLabel 5350 1350 2 60 Input ~ 0
TXD_ESP
Text GLabel 3700 1650 0 60 Input ~ 0
USB_DP
Text GLabel 3700 1550 0 60 Input ~ 0
USB_DM
$Comp
L Interface_USB:FT231XS U4
U 1 1 5C109200
P 4550 1850
F 0 "U4" H 4550 2928 50 0000 C CNN
F 1 "FT231XS" H 4550 2837 50 0000 C CNN
F 2 "adafruit:TSSOP20" H 5150 900 50 0001 C CNN
F 3 "http://www.ftdichip.com/Products/ICs/FT231X.html" H 4550 1850 50 0001 C CNN
1 4550 1850
1 0 0 -1
$EndComp
Wire Wire Line
3700 1550 3850 1550
Wire Wire Line
3700 1650 3850 1650
Wire Wire Line
5250 1250 5350 1250
Wire Wire Line
5250 1350 5350 1350
$Comp
L win:Q_PMOS_GDS Q1
U 1 1 5C39087D
P 1050 1000
F 0 "Q1" H 1241 1046 50 0000 L CNN
F 1 "Q_PMOS_GDS" H 1241 955 50 0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 1250 1100 29 0001 C CNN
F 3 "" H 1050 1000 60 0000 C CNN
1 1050 1000
1 0 0 -1
$EndComp
$Comp
L win:Q_PMOS_GDS Q2
U 1 1 5C390C0D
P 10100 3800
F 0 "Q2" H 10291 3846 50 0000 L CNN
F 1 "Q_PMOS_GDS" H 10291 3755 50 0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 10300 3900 29 0001 C CNN
F 3 "" H 10100 3800 60 0000 C CNN
1 10100 3800
1 0 0 -1
$EndComp
Text Notes 6350 4350 0 60 ~ 0
MMBT2907A
Text Notes 12300 2050 0 60 ~ 0
\nI desoldered Q1 + Q2 and made a wire from collector to emitter (both Q1/Q2). That directly routes the control signals to Reset/GPIO0. \n\nNow it is working ok. No more timing issues - I could even wait for 1sec between the 2 instructions.
Text Notes 12300 3300 0 60 ~ 0
The circuit is an XOR, and it exists for compatibility between the ESP8266 and the Arduino IDE Serial Monitor.\n\nIf you hold GPIO0 low while RST is low, it puts the ESP8266 in bootloader mode instead of just restarting the firmware. When communicating through a Serial connection, the ESP8266 uses GPIO0 as the RTS signal for flow control.\n\nThe Arduino IDE uses both the DTR and RTS signals to reset a chip and launch the bootloader, but its standard signals would put the ESP8266 into flash programming mode instead of just resetting the serial interface.\n\nThe XOR allows the Serial connection to use RTS for flow control while the regular firmware is running, but prevents GPIO0 from being held low during reset.
$Comp
L Transistor_BJT:MBT3946DW1T1 Q4
U 1 1 5C3D577F
P 6000 3650
F 0 "Q4" H 6191 3696 50 0000 L CNN
F 1 "MBT3946DW1T1" H 6191 3605 50 0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-363_SC-70-6_Handsoldering" H 6200 3750 50 0001 C CNN
F 3 "http://www.onsemi.com/pub_link/Collateral/MBT3946DW1T1-D.PDF" H 6000 3650 50 0001 C CNN
1 6000 3650
1 0 0 -1
$EndComp
$Comp
L Transistor_BJT:MBT3946DW1T1 Q4
U 2 1 5C3D5844
P 6000 4400
F 0 "Q4" H 6191 4446 50 0000 L CNN
F 1 "MBT3946DW1T1" H 6191 4355 50 0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-363_SC-70-6_Handsoldering" H 6200 4500 50 0001 C CNN
F 3 "http://www.onsemi.com/pub_link/Collateral/MBT3946DW1T1-D.PDF" H 6000 4400 50 0001 C CNN
2 6000 4400
1 0 0 -1
$EndComp
Wire Wire Line
5250 3650 5350 3650
Connection ~ 5350 3650
$Comp
L Device:C C7
U 1 1 5C400C06
P 650 5400
F 0 "C7" H 765 5446 50 0000 L CNN
F 1 "0u1" H 765 5355 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 688 5250 50 0001 C CNN
F 3 "~" H 650 5400 50 0001 C CNN
1 650 5400
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR01
U 1 1 5C400DC0
P 650 5750
F 0 "#PWR01" H 650 5500 50 0001 C CNN
F 1 "GND" H 655 5577 50 0000 C CNN
F 2 "" H 650 5750 50 0001 C CNN
F 3 "" H 650 5750 50 0001 C CNN
1 650 5750
1 0 0 -1
$EndComp
Wire Wire Line
650 5550 650 5750
Wire Wire Line
650 5250 650 5100
Text Notes 550 1500 0 60 ~ 0
NSR0320MW2T1G\n
Wire Wire Line
10200 3550 10200 3600
$Comp
L power:GND #PWR0136
U 1 1 5C3E68AF
P 9800 4200
F 0 "#PWR0136" H 9800 3950 50 0001 C CNN
F 1 "GND" H 9805 4027 50 0000 C CNN
F 2 "" H 9800 4200 50 0001 C CNN
F 3 "" H 9800 4200 50 0001 C CNN
1 9800 4200
1 0 0 -1
$EndComp
Wire Wire Line
1550 5550 1500 5550
Wire Wire Line
3500 6950 3500 7000
Wire Wire Line
2850 7000 3500 7000
Wire Wire Line
2850 6800 2850 7000
Connection ~ 3500 7000
Wire Wire Line
3500 7000 3500 7050
Wire Wire Line
2050 6800 2050 6950
NoConn ~ 3250 6050
Wire Wire Line
2750 6800 2750 6950
NoConn ~ 3250 6150
Wire Wire Line
650 5000 650 5100
Connection ~ 650 5100
Wire Wire Line
9700 3800 9800 3800
Wire Wire Line
9800 3850 9800 3800
Connection ~ 9800 3800
Wire Wire Line
9800 3800 9900 3800
Wire Wire Line
9800 4150 9800 4200
Wire Wire Line
9800 850 9800 950
Connection ~ 9800 950
Wire Wire Line
9800 950 9800 1000
Wire Wire Line
5350 4150 6000 4150
Wire Notes Line
500 2400 3150 2400
Wire Notes Line
4150 4100 4150 7800
Wire Notes Line
7400 4900 7400 6550
Wire Notes Line
450 4100 4800 4100
Wire Notes Line
3150 450 3150 4100
Wire Notes Line
6000 450 6000 3050
Wire Wire Line
6100 3350 6100 3450
Wire Wire Line
5350 4050 6100 4050
Wire Wire Line
6150 4650 6100 4650
Wire Wire Line
6100 4650 6100 4600
Wire Wire Line
5250 4400 5350 4400
Wire Wire Line
5350 4150 5350 4400
Connection ~ 5350 4400
Wire Wire Line
5350 4400 5450 4400
Wire Wire Line
5800 4400 5750 4400
Wire Notes Line
4800 3050 4800 4900
Wire Notes Line
8400 3050 8400 450
Wire Notes Line
7000 4900 7000 3050
Wire Notes Line
9650 4900 9650 4600
Wire Notes Line
9650 4600 11200 4600
Wire Notes Line
4800 4900 9650 4900
Wire Notes Line
9550 4900 9550 6550
Wire Notes Line
11200 3050 11200 3200
Wire Notes Line
11200 3200 11250 3200
Wire Notes Line
3150 3050 11200 3050
Text GLabel 4850 6200 0 60 Input ~ 0
GNSS_ON_OFF
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP2
U 1 1 5C4394EF
P 5300 5950
F 0 "JP2" H 5172 5904 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 5172 5995 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 5330 6100 20 0001 C CNN
F 3 "" H 5300 5950 60 0000 C CNN
1 5300 5950
-1 0 0 1
$EndComp
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP3
U 1 1 5C43955D
P 5300 6200
F 0 "JP3" H 5172 6154 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 5172 6245 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 5330 6350 20 0001 C CNN
F 3 "" H 5300 6200 60 0000 C CNN
1 5300 6200
-1 0 0 1
$EndComp
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP5
U 1 1 5C4395CB
P 5300 6450
F 0 "JP5" H 5172 6404 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 5172 6495 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 5330 6600 20 0001 C CNN
F 3 "" H 5300 6450 60 0000 C CNN
1 5300 6450
-1 0 0 1
$EndComp
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP6
U 1 1 5C439639
P 5300 6700
F 0 "JP6" H 5172 6654 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 5172 6745 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 5330 6850 20 0001 C CNN
F 3 "" H 5300 6700 60 0000 C CNN
1 5300 6700
-1 0 0 1
$EndComp
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP8
U 1 1 5C439C14
P 5300 6950
F 0 "JP8" H 5172 6904 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 5172 6995 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 5330 7100 20 0001 C CNN
F 3 "" H 5300 6950 60 0000 C CNN
1 5300 6950
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR02
U 1 1 5C43AA8D
P 4850 6950
F 0 "#PWR02" H 4850 6700 50 0001 C CNN
F 1 "GND" H 4855 6777 50 0000 C CNN
F 2 "" H 4850 6950 50 0001 C CNN
F 3 "" H 4850 6950 50 0001 C CNN
1 4850 6950
0 1 1 0
$EndComp
Wire Wire Line
5000 6950 4850 6950
Wire Wire Line
5000 6700 4850 6700
Wire Wire Line
5000 6450 4850 6450
Wire Wire Line
5000 6200 4850 6200
Wire Wire Line
5000 5950 4850 5950
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP9
U 1 1 5C4617E5
P 5300 7250
F 0 "JP9" H 5172 7204 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 5172 7295 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 5330 7400 20 0001 C CNN
F 3 "" H 5300 7250 60 0000 C CNN
1 5300 7250
-1 0 0 1
$EndComp
$Comp
L SparkfunConnectors:M01NOSILK-KIT JP13
U 1 1 5C46185F
P 5300 7550
F 0 "JP13" H 5172 7504 50 0000 R CNN
F 1 "M01NOSILK-KIT" H 5172 7595 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 5330 7700 20 0001 C CNN
F 3 "" H 5300 7550 60 0000 C CNN
1 5300 7550
-1 0 0 1
$EndComp
Text GLabel 3450 5250 2 50 Input ~ 0
SCL
Text GLabel 3450 5150 2 50 Input ~ 0
SDA
Wire Wire Line
3250 5150 3450 5150
Text GLabel 1500 5650 0 60 Input ~ 0
MP_BUTTON
Wire Wire Line
1550 5650 1500 5650
Text GLabel 4800 7250 0 50 Input ~ 0
SDA
Wire Wire Line
5000 7250 4800 7250
Text GLabel 4800 7550 0 50 Input ~ 0
SCL
Wire Wire Line
5000 7550 4800 7550
Wire Wire Line
6650 6200 6650 6250
Wire Wire Line
6650 5600 6650 5750
$Comp
L Racon8_PushButton:SW_Push SW1
U 1 1 5C043779
P 6650 6000
F 0 "SW1" V 6604 6148 50 0000 L CNN
F 1 "SW_Push" V 6695 6148 50 0000 L CNN
F 2 "Racon8Switch:Racon8SMTSwitch" H 6650 6200 50 0001 C CNN
F 3 "" H 6650 6200 50 0001 C CNN
1 6650 6000
0 1 1 0
$EndComp
Wire Wire Line
6850 6150 6850 6250
Wire Wire Line
6850 6250 6650 6250
Connection ~ 6650 6250
Wire Wire Line
6650 6250 6650 6300
Wire Wire Line
6850 5900 6850 5750
Wire Wire Line
6850 5750 6650 5750
Connection ~ 6650 5750
Wire Wire Line
6650 5750 6650 5800
$Comp
L SparkfunConnectors:M021X02_NO_SILK J1
U 1 1 5C48CC63
P 7250 6000
F 0 "J1" H 7123 6004 50 0000 R CNN
F 1 "M021X02_NO_SILK" H 7123 6095 50 0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm_SMD_Pin1Left" H 7280 6150 20 0001 C CNN
F 3 "" H 7250 6000 60 0000 C CNN
1 7250 6000
-1 0 0 1
$EndComp
Wire Wire Line
6850 5900 6950 5900
Wire Wire Line
6950 5900 6950 6000
Wire Wire Line
6850 6150 6950 6150
Wire Wire Line
6950 6150 6950 6100
$EndSCHEMATC