Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an ESP32 microcontroller, a DHT11 temperature and humidity sensor, and a SparkFun Soil Moisture Sensor. The ESP32 serves as the central processing unit, interfacing with the sensors to collect environmental data.

Component List

ESP32

• Description: A powerful microcontroller with built-in Wi-Fi and Bluetooth capabilities.
• Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, VIN, 3V3, D15, D2, D4, RX2, TX2, D5, D18, D19, D21, RX0, TX0, D22, D23, BOOT
• Purpose in Circuit: Acts as the main controller, processing data from the sensors and potentially communicating with other devices or systems.

DHT11

• Description: A basic, low-cost digital temperature and humidity sensor.
• Pins: DATA, GND, VCC
• Purpose in Circuit: Measures temperature and humidity and sends the data to the ESP32.

SparkFun Soil Moisture Sensor

• Description: A sensor used to measure the moisture content in the soil.
• Pins: VCC, GND, SIG
• Purpose in Circuit: Measures soil moisture levels and sends the data to the ESP32.

Wiring Details

ESP32

• D35: Connected to SIG pin of the SparkFun Soil Moisture Sensor
• GND: Connected to GND pins of both the SparkFun Soil Moisture Sensor and the DHT11
• VIN: Connected to VCC pin of the SparkFun Soil Moisture Sensor
• 3V3: Connected to VCC pin of the DHT11
• D5: Connected to DATA pin of the DHT11

DHT11

• VCC: Connected to 3V3 pin of the ESP32
• GND: Connected to GND pin of the ESP32
• DATA: Connected to D5 pin of the ESP32

SparkFun Soil Moisture Sensor

• VCC: Connected to VIN pin of the ESP32
• GND: Connected to GND pin of the ESP32
• SIG: Connected to D35 pin of the ESP32

Code

No code is provided for this circuit.

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This documentation provides a comprehensive overview of the components and their connections within the circuit. For further details or modifications, please refer to the specific datasheets of each component.