R3
Resistance
10kΩ
SDA
ESP_IO18
ESP_IO27
SCL
ESP_IO32
ESP_IO13
ESP_IO33
ESP_IO35
R5
Resistance
5.1KΩ
ESP_IO23
USB_D-
ESP_IO5
ESP_IO25
ESP_IO14
USB_D+
ESP_IO16
ESP_IO17
R4
Resistance
4.7kΩ
ESP_IO15
USB_D+
ESP_IO26
ESP_IO12
USB_D-
ESP_IO34
ESP_IO19
VUSB
+3V3
+3V3
+3V3
+3V3
+3V3
U2
Manufacturer Part Number
MCP23017-E/SO
U4
Manufacturer Part Number
USB4110-GF-A
U5
Manufacturer Part Number
ADS1115IDGSR
U8