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Battery-Powered ESP32 Weather Station with DHT11 Sensors

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Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes multiple ESP32 microcontrollers, DHT11 humidity and temperature sensors, resistors, and batteries. The circuit is designed to measure environmental conditions and transmit the data using the ESP32 microcontrollers.

Component List

  1. ESP32 38 PINS

    • Description: A versatile microcontroller with Wi-Fi and Bluetooth capabilities.
    • Pins: GND, 23, 22/SCL, 1, 2, 21/SDA, 19, 18, 5, 17/TX2, 16/RX2, 4, 0, 15, D1, D0, CLK, 3V3, EN, VP, VN, 34, 35, 32, 33, 25, 26, 27, 14, 12, 13, D2, D3, 11, 5V/VIN

  2. DHT11 Humidity and Temperature Sensor

    • Description: A sensor used to measure humidity and temperature.
    • Pins: VDD, DATA, NULL, GND

  3. Resistor

    • Description: A passive electrical component that implements electrical resistance.
    • Pins: pin1, pin2
    • Properties: Resistance = 1320 Ohms

  4. Battery

    • Description: A power source for the circuit.
    • Pins: -, +

  5. Laptop

    • Description: Used for programming and powering the ESP32 microcontrollers via USB.
    • Pins: usb

Wiring Details

ESP32 38 PINS

DHT11 Humidity and Temperature Sensor

Resistor

Battery

Code

No code is provided for this circuit.

This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. Each section is designed to offer clear and concise information to facilitate understanding and replication of the circuit.