ESP32 and DHT22 Wi-Fi Enabled Temperature and Humidity Sensor
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Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes a DHT22 temperature and humidity sensor and an ESP32 microcontroller. The DHT22 sensor is connected to the ESP32 to provide environmental data, which can be processed or transmitted by the ESP32.
Component List
DHT22
- Description: Temperature and Humidity Sensor
- Pins: GND, VCC, DAT
- Purpose: Measures temperature and humidity
ESP32 (30 pin)
- Description: Microcontroller with Wi-Fi and Bluetooth capabilities
- Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, Vin, D23, D22, TX0, RX0, D21, D19, D18, D5, TX2, RX2, D4, D2, D15, 3V3
- Purpose: Processes data from the DHT22 sensor and can transmit data via Wi-Fi or Bluetooth
Comment
- Description: Placeholder for comments or notes
- Pins: None
- Purpose: Not used in the circuit
Wiring Details
DHT22
- GND: Connected to ESP32 GND
- VCC: Connected to ESP32 3V3
- DAT: Connected to ESP32 D26
ESP32 (30 pin)
- GND: Connected to DHT22 GND
- 3V3: Connected to DHT22 VCC
- D26: Connected to DHT22 DAT
Code
There is no code provided for this circuit.
This document provides a comprehensive overview of the components and their connections in the circuit. The DHT22 sensor is used to measure temperature and humidity, and the ESP32 microcontroller processes this data. The wiring details ensure proper connections between the components.