Schematic of [Example] ESP32 Reference Design
A3
AIN0
B1
A6
A1
A7
A0
B2
A2
B7
SDA
SDA
B6
SCL
AIN1
AIN3
B3
SCL
B0
A5
AIN2
A4
SCL
B4
B5
U7
Manufacturer Part Number
PCA9685PW,118
+3V3
+3V3
C6
Capacitance
=10uF
U2
Manufacturer Part Number
MCP23017-E/SO
C4
Capacitance
0.1uF
+3V3
C8
Capacitance
0.1uF
+3V3
+3V3
+3V3
+3V3
C2
Capacitance
10uF
+3V3
+3V3
R10
Resistance
10kΩ
U5
Manufacturer Part Number
ADS1115IDGSR