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ESP32-Based Light Sensor with Wi-Fi Connectivity

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Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an ESP32 microcontroller and an LDR (Light Dependent Resistor). The ESP32 is used to read the analog signal from the LDR, which varies with the intensity of light. The circuit is powered by the 3.3V output from the ESP32.

Component List

  1. ESP32 (30 pin)

    • 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, D23, D22, TX0, RX0, D21, D19, D18, D5, TX2, RX2, D4, D2, D15, 3V3
  2. LDR (Light Dependent Resistor)

    • Description: A resistor whose resistance decreases with increasing incident light intensity.
    • Pins: A0, D0, GND, VCC
  3. Comment

    • Description: A placeholder for comments or notes in the circuit design.
    • Pins: None

Wiring Details

ESP32 (30 pin)

LDR (Light Dependent Resistor)

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 ESP32 reads the analog signal from the LDR, which varies with the light intensity, allowing for light-sensitive applications.