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Schematic

Layout

3D View

D2
D1
C4
Capacitance
10uF
C3
Capacitance
10uF
C11
Capacitance
0.1uF
C8
Capacitance
10uF
C6
Capacitance
0.1uF
C7
Capacitance
0.1uF
C10
Capacitance
0.1uF
C2
Capacitance
0.1uF
C1
Capacitance
0.1uF
C12
Capacitance
0.1uF
ESP1
R1
Resistance
Resistance
Resistance
10kΩ
R8
Resistance
Resistance
Resistance
82kΩ
PWR
R7
Resistance
Resistance
Resistance
220kΩ
R2
Resistance
Resistance
Resistance
5.1kΩ
R4
Resistance
1kΩ
R3
Resistance
Resistance
Resistance
5.1kΩ
R6
Resistance
Resistance
Resistance
10kΩ
R5
Resistance
Resistance
Resistance
10kΩ
C9
Capacitance
10uF
USB1
EN
C5
Capacitance
10uF
BOOT
J2
U1
J1
Q1
IC1
Q2

ESP-WROOM-02U Reference Design