ESP32.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:Conn_Coaxial J1
U 1 1 608C993B
P 7950 2200
F 0 "J1" H 8050 2175 50  0000 L CNN
F 1 "ANT" H 8050 2084 50  0000 L CNN
F 2 "TSDZ2-ESP32-Alt:U.FL-R-SMT-1(80)" H 7950 2200 50  0001 C CNN
F 3 "https://datasheet.lcsc.com/lcsc/1811091710_HRS-Hirose-U-FL-R-SMT-1-80_C88374.pdf" H 7950 2200 50  0001 C CNN
F 4 "C88374" H 7950 2200 50  0001 C CNN "LCSC Part #"
	1    7950 2200
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 608CB389
P 9100 4850
F 0 "C1" H 9215 4896 50  0000 L CNN
F 1 "100nF" H 9215 4805 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9138 4700 50  0001 C CNN
F 3 "~" H 9100 4850 50  0001 C CNN
	1    9100 4850
	-1   0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x03 J2
U 1 1 608CC4B1
P 10100 1300
F 0 "J2" H 10180 1342 50  0000 L CNN
F 1 "Conn_01x03" H 10180 1251 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 10100 1300 50  0001 C CNN
F 3 "~" H 10100 1300 50  0001 C CNN
	1    10100 1300
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J3
U 1 1 608CD212
P 10100 1950
F 0 "J3" H 10180 1942 50  0000 L CNN
F 1 "Conn_01x04" H 10180 1851 50  0000 L CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical" H 10100 1950 50  0001 C CNN
F 3 "~" H 10100 1950 50  0001 C CNN
	1    10100 1950
	1    0    0    -1  
$EndComp
$Comp
L RF_Module:ESP32-PICO-D4 U?
U 1 1 608C934B
P 6150 3600
AR Path="/608C934B" Ref="U?"  Part="1" 
AR Path="/608C7C68/608C934B" Ref="U4"  Part="1" 
F 0 "U4" H 6500 1900 50  0000 C CNN
F 1 "ESP32-PICO-D4" H 6550 2000 50  0000 C CNN
F 2 "Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.3x5.3mm" H 6150 1900 50  0001 C CNN
F 3 "https://www.espressif.com/sites/default/files/documentation/esp32-pico-d4_datasheet_en.pdf" H 6400 2600 50  0001 C CNN
F 4 "C193707" H 6150 3600 50  0001 C CNN "LCSC Part #"
	1    6150 3600
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0101
U 1 1 608CED2A
P 6100 1750
F 0 "#PWR0101" H 6100 1600 50  0001 C CNN
F 1 "+3V3" H 6115 1923 50  0000 C CNN
F 2 "" H 6100 1750 50  0001 C CNN
F 3 "" H 6100 1750 50  0001 C CNN
	1    6100 1750
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0102
U 1 1 608D003F
P 6150 5300
F 0 "#PWR0102" H 6150 5050 50  0001 C CNN
F 1 "GND" H 6155 5127 50  0000 C CNN
F 2 "" H 6150 5300 50  0001 C CNN
F 3 "" H 6150 5300 50  0001 C CNN
	1    6150 5300
	1    0    0    -1  
$EndComp
Text Notes 6700 2000 0    50   ~ 0
Controlled impedance antenna trace.
Wire Wire Line
	6950 2200 7750 2200
$Comp
L power:GND #PWR0103
U 1 1 608D7979
P 7950 2450
F 0 "#PWR0103" H 7950 2200 50  0001 C CNN
F 1 "GND" H 7955 2277 50  0000 C CNN
F 2 "" H 7950 2450 50  0001 C CNN
F 3 "" H 7950 2450 50  0001 C CNN
	1    7950 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	7950 2450 7950 2400
Text HLabel 9900 3000 0    50   Input ~ 0
SDA
Text HLabel 9900 3200 0    50   Input ~ 0
SCL
$Comp
L 74xGxx:74LVC2G17 U3
U 1 1 608DE339
P 1650 1900
F 0 "U3" H 1625 2167 50  0000 C CNN
F 1 "SN74LVC2G17DBVR" H 1625 2076 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6_Handsoldering" H 1650 1900 50  0001 C CNN
F 3 "https://datasheet.lcsc.com/lcsc/Texas-Instruments-TI-SN74LVC2G17DBVR_C10429.pdf" H 1650 1900 50  0001 C CNN
F 4 "C10429" H 1650 1900 50  0001 C CNN "LCSC Part #"
	1    1650 1900
	1    0    0    -1  
$EndComp
$Comp
L 74xGxx:74LVC2G17 U3
U 2 1 608DEEDC
P 1650 2650
F 0 "U3" H 1625 2917 50  0000 C CNN
F 1 "SN74LVC2G17DBVR" H 1625 2826 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6_Handsoldering" H 1650 2650 50  0001 C CNN
F 3 "https://datasheet.lcsc.com/lcsc/Texas-Instruments-TI-SN74LVC2G17DBVR_C10429.pdf" H 1650 2650 50  0001 C CNN
F 4 "C10429" H 1650 2650 50  0001 C CNN "LCSC Part #"
	2    1650 2650
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 608E2C44
P 2150 3100
F 0 "C2" H 2265 3146 50  0000 L CNN
F 1 "100nF" H 2265 3055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2188 2950 50  0001 C CNN
F 3 "~" H 2150 3100 50  0001 C CNN
	1    2150 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 608E39B2
P 2250 2150
F 0 "C3" H 2365 2196 50  0000 L CNN
F 1 "100nF" H 2365 2105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2288 2000 50  0001 C CNN
F 3 "~" H 2250 2150 50  0001 C CNN
	1    2250 2150
	1    0    0    -1  
$EndComp
Text Notes 1350 1200 0    98   ~ 0
Level Shifters
NoConn ~ 6950 3400
NoConn ~ 6950 3200
NoConn ~ 6950 4000
NoConn ~ 6950 3600
NoConn ~ 6950 2900
NoConn ~ 5350 3800
NoConn ~ 5350 3900
NoConn ~ 5350 4000
NoConn ~ 5350 4100
NoConn ~ 6950 3100
NoConn ~ 6950 3000
NoConn ~ 5350 3700
NoConn ~ 5350 3600
NoConn ~ 6950 4900
NoConn ~ 6950 3900
NoConn ~ 6950 3700
NoConn ~ 6950 3800
Wire Wire Line
	6950 2700 7100 2700
Wire Wire Line
	7100 2500 6950 2500
NoConn ~ 6950 4600
NoConn ~ 6950 4700
NoConn ~ 6950 4400
$Comp
L TSDZ2-ESP32-Alt:Ai-Thinker-CP2102 U5
U 1 1 608EBA28
P 1100 7500
F 0 "U5" H 1352 7534 50  0000 L CNN
F 1 "Ai-Thinker-CP2102" H 1352 7443 50  0000 L CNN
F 2 "" H 1100 7500 50  0001 C CNN
F 3 "https://datasheet.lcsc.com/lcsc/Ai-Thinker-CP2102_C192392.pdf" H 1100 7500 50  0001 C CNN
F 4 "C192392" H 1125 7409 50  0001 L CNN "LCSC Part #"
	1    1100 7500
	1    0    0    -1  
$EndComp
Text Notes 700  7200 0    98   ~ 0
USB-Serial Adaptor
Wire Wire Line
	5950 1850 5950 2000
Wire Wire Line
	6050 1850 6050 2000
Wire Wire Line
	6150 1850 6150 2000
Wire Wire Line
	6250 1850 6250 2000
Wire Wire Line
	5950 1850 6050 1850
Connection ~ 6050 1850
Wire Wire Line
	6050 1850 6100 1850
Connection ~ 6150 1850
Wire Wire Line
	6150 1850 6250 1850
Wire Wire Line
	6100 1850 6100 1750
Connection ~ 6100 1850
Wire Wire Line
	6100 1850 6150 1850
Wire Wire Line
	6150 5200 6150 5300
$Comp
L Device:C C?
U 1 1 608F090F
P 5050 5300
F 0 "C?" H 5165 5346 50  0000 L CNN
F 1 "100nF" H 5165 5255 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5088 5150 50  0001 C CNN
F 3 "~" H 5050 5300 50  0001 C CNN
	1    5050 5300
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR?
U 1 1 608F14E7
P 4550 5000
F 0 "#PWR?" H 4550 4850 50  0001 C CNN
F 1 "+3V3" H 4565 5173 50  0000 C CNN
F 2 "" H 4550 5000 50  0001 C CNN
F 3 "" H 4550 5000 50  0001 C CNN
	1    4550 5000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 608F1D5C
P 4550 5600
F 0 "#PWR?" H 4550 5350 50  0001 C CNN
F 1 "GND" H 4555 5427 50  0000 C CNN
F 2 "" H 4550 5600 50  0001 C CNN
F 3 "" H 4550 5600 50  0001 C CNN
	1    4550 5600
	1    0    0    -1  
$EndComp
Text Notes 4250 4700 0    50   ~ 0
ESP32 Decoupling
$Comp
L Device:C C?
U 1 1 608F2F8F
P 4550 5300
F 0 "C?" H 4665 5346 50  0000 L CNN
F 1 "100nF" H 4665 5255 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4588 5150 50  0001 C CNN
F 3 "~" H 4550 5300 50  0001 C CNN
	1    4550 5300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 608F352E
P 4050 5300
F 0 "C?" H 4165 5346 50  0000 L CNN
F 1 "100nF" H 4165 5255 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4088 5150 50  0001 C CNN
F 3 "~" H 4050 5300 50  0001 C CNN
	1    4050 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 5150 4050 5100
Wire Wire Line
	4050 5100 4550 5100
Wire Wire Line
	5050 5100 5050 5150
Wire Wire Line
	5050 5450 5050 5500
Wire Wire Line
	5050 5500 4550 5500
Wire Wire Line
	4050 5500 4050 5450
Wire Wire Line
	4550 5500 4550 5450
Wire Wire Line
	4550 5150 4550 5100
Connection ~ 4550 5500
Wire Wire Line
	4550 5500 4050 5500
Connection ~ 4550 5100
Wire Wire Line
	4550 5100 5050 5100
Wire Wire Line
	4550 5000 4550 5100
Wire Wire Line
	4550 5500 4550 5600
NoConn ~ 5350 2400
NoConn ~ 5350 2500
NoConn ~ 5350 2600
NoConn ~ 5350 2700
Text Label 5200 2200 2    50   ~ 0
RST
Wire Wire Line
	5200 2200 5350 2200
Text Label 7150 2200 0    50   ~ 0
ESP_ANT
Wire Wire Line
	6950 4500 7100 4500
Wire Wire Line
	6950 4100 7100 4100
Wire Wire Line
	6950 4200 7100 4200
Wire Wire Line
	6950 4300 7100 4300
Wire Wire Line
	6950 3300 7100 3300
Wire Wire Line
	6950 3500 7100 3500
Wire Wire Line
	6950 2400 7100 2400
Wire Wire Line
	6950 2800 7100 2800
NoConn ~ 6950 2600
$Comp
L Sensor_Temperature:DS18B20 U?
U 1 1 608FFD52
P 9900 4850
F 0 "U?" H 9670 4896 50  0000 R CNN
F 1 "DS18B20" H 9670 4805 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 8900 4600 50  0001 C CNN
F 3 "http://datasheets.maximintegrated.com/en/ds/DS18B20.pdf" H 9750 5100 50  0001 C CNN
	1    9900 4850
	1    0    0    -1  
$EndComp
Text Label 10600 4850 0    50   ~ 0
DS18B20_DQ
Wire Wire Line
	10600 4850 10300 4850
Text Notes 9050 4050 0    79   ~ 0
External Temperature Sensor
Wire Wire Line
	9100 4700 9100 4450
Wire Wire Line
	9100 4450 9900 4450
Wire Wire Line
	9900 4450 9900 4550
Wire Wire Line
	9900 5150 9900 5250
Wire Wire Line
	9900 5250 9100 5250
Wire Wire Line
	9100 5250 9100 5000
$Comp
L power:+3V3 #PWR?
U 1 1 60905DC3
P 9900 4350
F 0 "#PWR?" H 9900 4200 50  0001 C CNN
F 1 "+3V3" H 9915 4523 50  0000 C CNN
F 2 "" H 9900 4350 50  0001 C CNN
F 3 "" H 9900 4350 50  0001 C CNN
	1    9900 4350
	1    0    0    -1  
$EndComp
Wire Wire Line
	9900 4350 9900 4450
Connection ~ 9900 4450
$Comp
L power:GND #PWR?
U 1 1 609085F1
P 9900 5350
F 0 "#PWR?" H 9900 5100 50  0001 C CNN
F 1 "GND" H 9905 5177 50  0000 C CNN
F 2 "" H 9900 5350 50  0001 C CNN
F 3 "" H 9900 5350 50  0001 C CNN
	1    9900 5350
	1    0    0    -1  
$EndComp
Wire Wire Line
	9900 5350 9900 5250
Connection ~ 9900 5250
$Comp
L Device:R R?
U 1 1 6090A18E
P 10300 4650
F 0 "R?" H 10370 4696 50  0000 L CNN
F 1 "4.7k" H 10370 4605 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 10230 4650 50  0001 C CNN
F 3 "~" H 10300 4650 50  0001 C CNN
	1    10300 4650
	1    0    0    -1  
$EndComp
Wire Wire Line
	10300 4850 10300 4800
Wire Wire Line
	10300 4450 9900 4450
Wire Wire Line
	10300 4500 10300 4450
Connection ~ 10300 4850
Wire Wire Line
	10300 4850 10200 4850
$EndSCHEMATC