Schematic of [Example] ESP32 Reference Design
R3
Resistance
10kΩ
R12
Resistance
1kΩ
R14
Resistance
10kΩ
R9
Resistance
4.7kΩ
R11
Resistance
1kΩ
R8
Resistance
4.7kΩ
R5
Resistance
5.1KΩ
L1
Inductance
=2.2uH
R13
Resistance
10kΩ
R4
Resistance
4.7kΩ
R6
Resistance
33.2KΩ
R7
Resistance
10kΩ
U7
Manufacturer Part Number
PCA9685PW,118
VUSB
VUSB
+3V3
+3V3
VIN
+3V3
C6
Capacitance
=10uF
+3V3
C4
Capacitance
0.1uF
+3V3
+3V3
C8
Capacitance
0.1uF
+3V3
+3V3
C3
Capacitance
22uF
+3V3
+3V3
+3V3
C1
Capacitance
0.1uF
C7
Capacitance
10uF
C2
Capacitance
10uF
+3V3
AIN0
PWM1
PWM2
PWM0
USB_D-
SDA
USB_D+
DTS
USB_D-
ESP_TX
USB_D+
AIN1
AIN3
RST
SCL
ESP_RX
USB_D-
AIN2
USB_D+
Q1
Q2
U6
Manufacturer Part Number
CP2102N-Axx-xQFN28
U4
Manufacturer Part Number
USB4110-GF-A
U3
Manufacturer Part Number
TPS564201DDCR
R10
Resistance
10kΩ
U5
Manufacturer Part Number
ADS1115IDGSR