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Schematic

Layout

3D View

R3
Resistance
10kΩ
R12
Resistance
1kΩ
R14
Resistance
10kΩ
R9
Resistance
4.7kΩ
R11
Resistance
1kΩ
R8
Resistance
4.7kΩ
R5
Resistance
5.1KΩ
R13
Resistance
10kΩ
R4
Resistance
4.7kΩ
R6
Resistance
33.2KΩ
R7
Resistance
10kΩ
C6
Capacitance
=10uF
C4
Capacitance
0.1uF
L1
Inductance
=2.2uH
C8
Capacitance
0.1uF
C3
Capacitance
22uF
C1
Capacitance
0.1uF
C7
Capacitance
10uF
C2
Capacitance
10uF
U7
Manufacturer Part Number
PCA9685PW,118
AIN0
VUSB
+3V3
VUSB
+3V3
+3V3
PWM1
PWM15
VIN
PWM13
PWM2
PWM5
+3V3
+3V3
PWM0
PWM9
PWM10
SDA
PWM6
USB_D-
+3V3
+3V3
SDA
+3V3
+3V3
PWM7
PWM11
USB_D+
DTS
USB_D-
+3V3
ESP_TX
+3V3
+3V3
USB_D+
AIN1
PWM12
AIN3
ESP_IO0
RST
SCL
PWM3
ESP_RX
USB_D-
AIN2
PWM8
SCL
ESP_EN
USB_D+
PWM14
PWM4
+3V3
U4
Manufacturer Part Number
USB4110-GF-A
U3
Manufacturer Part Number
TPS564201DDCR
U5
Manufacturer Part Number
ADS1115IDGSR
R10
Resistance
10kΩ
R2
Resistance
10KΩ
Q1
Q2
U6
Manufacturer Part Number
CP2102N-A02-GQFN28

[Example] ESP32 Reference Design