RS485_TX
RS485_EN
GPIO21
GPIO34
GPIO25
GPIO22
GPIO35
GPIO33
RS485_RX
GPIO26
GPIO32
GPIO23
ESP_IO0
GPIO27
+3V3
R5
Resistance
10 Ω
+3V3
R7
Resistance
10 Ω
C10
Capacitance
0.1uF
C12
Capacitance
0.1uF
R8
Resistance
10kΩ
+3V3
R9
Resistance
10kΩ
BOOT
TERM
IC3