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D2
D1
C4
Capacitance
10uF
C3
Capacitance
10uF
R1
Resistance
Resistance
Resistance
10kΩ
C11
Capacitance
0.1uF
J1
C8
Capacitance
10uF
PWR
R6
Resistance
10 Ω
R2
Resistance
Resistance
Resistance
5.1kΩ
C9
Capacitance
10uF
R5
Resistance
10 Ω
C6
Capacitance
0.1uF
R4
Resistance
1kΩ
J2
R3
Resistance
Resistance
Resistance
5.1kΩ
R7
Resistance
10 Ω
C5
Capacitance
10uF
C10
Capacitance
0.1uF
C2
Capacitance
0.1uF
C1
Capacitance
0.1uF
C12
Capacitance
0.1uF
R8
Resistance
10kΩ
R9
Resistance
10kΩ
RST
USB1
Q1
U2
BOOT
Q2
TERM
IC3
U1
IC1
A RS485 B
D3

ESP32 RS485 (Modbus) Controller Reference Design ibga