Circuit Documentation

Summary

This document provides a detailed overview of a circuit that integrates an HC-SR04 Ultrasonic Sensor with an ESP32 microcontroller. The circuit is designed to measure distances using ultrasonic waves and process the data using the ESP32.

Component List

HC-SR04 Ultrasonic Sensor

• Description: The HC-SR04 is an ultrasonic sensor used for distance measurement. It emits an ultrasonic wave and measures the time it takes for the echo to return, allowing it to calculate the distance to an object.
• Pins:
  • VCC
  • TRIG
  • ECHO
  • GND

ESP32 - 38 pins

• Description: The ESP32 is a powerful microcontroller with integrated Wi-Fi and Bluetooth capabilities. It is widely used in IoT applications.
• Pins:
  • 3V3
  • EN
  • SP
  • SN
  • G34
  • G35
  • G32
  • G33
  • G25
  • G26
  • G27
  • G14
  • G12
  • GND
  • G13
  • SD2
  • SD3
  • CMD
  • 5V
  • G23
  • G22
  • TXD
  • RXD
  • G21
  • G19
  • G18
  • G5
  • G17
  • G16
  • G4
  • G0
  • G2
  • G15
  • SD1
  • SD0
  • CLK

Wiring Details

HC-SR04 Ultrasonic Sensor

• VCC connected to ESP32 5V
• TRIG connected to ESP32 G33
• ECHO connected to ESP32 G32
• GND connected to ESP32 GND

ESP32 - 38 pins

• 5V connected to HC-SR04 VCC
• G33 connected to HC-SR04 TRIG
• G32 connected to HC-SR04 ECHO
• GND connected to HC-SR04 GND

Code

No code is provided for this circuit.

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This document provides a comprehensive overview of the components and wiring details for the circuit. If you have any questions or need further assistance, please feel free to reach out.