Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an ESP32 Wroom microcontroller and an ENS220 evaluation kit. The circuit is designed to interface the ENS220 sensor with the ESP32 microcontroller for data acquisition and processing. The document includes a list of components, wiring details, and code documentation.

Component List

ENS220 Evaluation Kit

• Description: The ENS220 evaluation kit is a sensor module used for environmental sensing.
• Pins:
  • GND
  • 3V3
  • SDA
  • SCL
  • INT
  • CS
  • 1V8out

ESP32 Wroom

• Description: The ESP32 Wroom is a powerful microcontroller with integrated Wi-Fi and Bluetooth capabilities.
• Pins:
  • 2 (3V3)
  • 3 (Reset)
  • 4 (GPIO36)
  • 5 (GPIO39)
  • 6 (GPIO34)
  • 7 (GPIO35)
  • 8 (GPIO32)
  • 9 (GPIO33)
  • 10 (GPIO25)
  • 11 (GPIO26)
  • 12 (GPIO27)
  • 13 (GPIO14)
  • 14 (GPIO12)
  • GND
  • 16 (GPIO13)
  • 17 (GPIO9)
  • 18 (GPIO10)
  • 19 (GPIO11)
  • 5V
  • 37 (GPIO23)
  • 36 (GPIO22/SCL)
  • 35 (GPIO1/TXD0)
  • 34 (GPIO3/RXD0)
  • 33 (GPIO21/SDA)
  • 31 (GPIO19)
  • 30 (GPIO18)
  • 29 (GPIO5)
  • 28 (GPIO17)
  • 27 (GPIO16)
  • 26 (GPIO4)
  • 25 (GPIO0)
  • 24 (GPIO2)
  • 23 (GPIO15)
  • 22 (GPIO8)
  • 21 (GPIO7)
  • 20 (GPIO6)

Wiring Details

ENS220 Evaluation Kit

• 3V3 is connected to 3V3 on the ESP32 Wroom.
• GND is connected to GND on the ESP32 Wroom.
• SCL is connected to GPIO22/SCL on the ESP32 Wroom.
• SDA is connected to GPIO21/SDA on the ESP32 Wroom.

ESP32 Wroom

• 3V3 is connected to 3V3 on the ENS220 evaluation kit.
• GND is connected to GND on the ENS220 evaluation kit.
• GPIO22/SCL is connected to SCL on the ENS220 evaluation kit.
• GPIO21/SDA is connected to SDA on the ENS220 evaluation kit.

Code Documentation

There is no code provided for the microcontrollers in this circuit.

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This document provides a comprehensive overview of the circuit, including the components used and their interconnections. The wiring details ensure that the ENS220 evaluation kit is correctly interfaced with the ESP32 Wroom microcontroller.