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1
R3
Resistance
10kΩ
SDA
AIN0
ESP_IO18
ESP_IO27
SCL
ESP_IO4
ESP_IO32
ESP_IO13
ESP_IO33
ESP_RX
ESP_IO2
ESP_IO35
R5
Resistance
5.1KΩ
ESP_IO23
USB_D-
ESP_IO5
ESP_IO25
ESP_IO14
ESP_IO0
ESP_TX
USB_D+
ESP_IO16
ESP_IO17
R4
Resistance
4.7kΩ
ESP_IO15
R6
Resistance
33.2KΩ
USB_D+
ESP_IO26
ESP_IO12
USB_D-
ESP_IO34
R7
Resistance
10kΩ
ESP_IO19
VUSB
+3V3
VIN
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
C4
Capacitance
0.1uF
C8
Capacitance
0.1uF
C1
Capacitance
0.1uF
C7
Capacitance
10uF
R2
Resistance
10KΩ
U4
Manufacturer Part Number
USB4110-GF-A
L1
Inductance
=2.2uH
U5
Manufacturer Part Number
ADS1115IDGSR
U3
Manufacturer Part Number
TPS564201DDCR
U1
Manufacturer Part Number
ESP32-WROOM-32

[Example] ESP32 Reference Design