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Files

Schematic

Layout

3D View

D2
GPIO23
D1
C4
Capacitance
10uF
GPIO2
GPIO13
C3
Capacitance
10uF
ESP_TX
GND
GPIO35
R1
Resistance
Resistance
Resistance
10kΩ
+3V3
C11
Capacitance
0.1uF
GPIO26
GPIO34
C8
Capacitance
10uF
PWR
R6
Resistance
10 Ω
R2
Resistance
Resistance
Resistance
5.1kΩ
ESP_EN
ESP_RX
R5
Resistance
10 Ω
C6
Capacitance
0.1uF
R4
Resistance
1kΩ
GPIO5
GPIO33
GPIO32
R3
Resistance
Resistance
Resistance
5.1kΩ
GPIO12
GPIO36
GPIO25
GPIO0
R7
Resistance
10 Ω
GPIO15
C10
Capacitance
0.1uF
C2
Capacitance
0.1uF
C1
Capacitance
0.1uF
C12
Capacitance
0.1uF
GPIO16
GPIO21
R8
Resistance
10kΩ
GND
GPIO14
GPIO17
+5V
R9
Resistance
10kΩ
GPIO27
GPIO39
GPIO22
C9
Capacitance
10uF
RST
C5
Capacitance
10uF
BOOT
USB1
U2
TERM
U1
Q1
IC3
Q2
A RS485 B
IC1
D3

ESP32 RS485 (Modbus) Controller Module