Schematic of [Example] ESP32 Reference Design
R3
Resistance
10kΩ
R9
Resistance
4.7kΩ
R8
Resistance
4.7kΩ
R5
Resistance
5.1KΩ
R4
Resistance
4.7kΩ
R6
Resistance
33.2KΩ
R7
Resistance
10kΩ
U7
Manufacturer Part Number
PCA9685PW,118
AIN0
VUSB
VUSB
+3V3
+3V3
USB_D-
+3V3
+3V3
+3V3
USB_D+
USB_D-
+3V3
+3V3
+3V3
USB_D+
AIN1
SCL
USB_D-
AIN2
USB_D+
+3V3
C6
Capacitance
=10uF
C4
Capacitance
0.1uF
R10
Resistance
10kΩ
U3
Manufacturer Part Number
TPS564201DDCR
C8
Capacitance
0.1uF
C3
Capacitance
22uF
C1
Capacitance
0.1uF
C7
Capacitance
10uF
C2
Capacitance
10uF
R2
Resistance
10KΩ
U4
Manufacturer Part Number
USB4110-GF-A
U5
Manufacturer Part Number
ADS1115IDGSR