Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an ESP32 microcontroller, a KY 038 sound sensor, and an Ultrasonic Sensor. The ESP32 serves as the central processing unit, interfacing with the sensors to gather data. The KY 038 sound sensor detects sound levels, while the Ultrasonic Sensor measures distance.

Component List

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

KY 038

• Description: A sound sensor module used to detect sound levels.
• Pins: +, G, A0, D0

Ultrasonic Sensor

• Description: A sensor used to measure distance by using ultrasonic waves.
• Pins: +VCC, Trigger, Echo, GND

Wiring Details

ESP32 (30 pin)

• D26: Connected to Trigger pin of Ultrasonic Sensor
• D27: Connected to Echo pin of Ultrasonic Sensor
• GND: Connected to GND pin of Ultrasonic Sensor and G pin of KY 038
• Vin: Connected to +VCC pin of Ultrasonic Sensor
• D4: Connected to A0 pin of KY 038
• 3V3: Connected to + pin of KY 038

KY 038

• A0: Connected to D4 pin of ESP32
• G: Connected to GND pin of ESP32
• +: Connected to 3V3 pin of ESP32

Ultrasonic Sensor

• Trigger: Connected to D26 pin of ESP32
• Echo: Connected to D27 pin of ESP32
• GND: Connected to GND pin of ESP32
• +VCC: Connected to Vin pin of ESP32

Code

There is no code provided for the microcontrollers in this circuit.

This document provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and code documentation. This should serve as a useful reference for understanding and replicating the circuit.