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Files

Schematic

Layout

3D View

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

ESP32 RS485 (Modbus) Controller Module 9y2J