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 component list, wiring details, and code documentation.
Component List
ENS220 Evaluation Kit
- Description: Environmental sensor module
- Pins:
- GND
- 3V3
- SDA
- SCL
- INT
- CS
- 1V8out
ESP32 Wroom
- Description: Wi-Fi and Bluetooth microcontroller module
- 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)
Comments
- Description: Placeholder for comments in the circuit design
- Pins: None
Wiring Details
ENS220 Evaluation Kit
- 3V3 is connected to ESP32 Wroom 2 (3V3)
- GND is connected to ESP32 Wroom GND
- INT is connected to ESP32 Wroom 37 (GPIO23)
- SCL is connected to ESP32 Wroom 36 (GPIO22/SCL)
- SDA is connected to ESP32 Wroom 33 (GPIO21/SDA)
ESP32 Wroom
- 2 (3V3) is connected to ENS220 Evaluation Kit 3V3
- GND is connected to ENS220 Evaluation Kit GND
- 37 (GPIO23) is connected to ENS220 Evaluation Kit INT
- 36 (GPIO22/SCL) is connected to ENS220 Evaluation Kit SCL
- 33 (GPIO21/SDA) is connected to ENS220 Evaluation Kit SDA
Code Documentation
No code is provided for this circuit.
This document provides a comprehensive overview of the circuit, including the components used, their connections, and the absence of embedded code. This should serve as a useful reference for understanding and replicating the circuit design.