Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an ESP32 microcontroller, an HC-SR04 ultrasonic sensor, a servo motor, and a water level sensor. The ESP32 serves as the central controller, interfacing with the sensors and the servo motor to perform various tasks.

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. HC-SR04 Ultrasonic Sensor

   • Description: A sensor used to measure distance by using ultrasonic waves.
   • Pins: VCC, TRIG, ECHO, GND

3. Servo

   • Description: A motor that can be precisely controlled in terms of angular position.
   • Pins: GND, VCC, PWM

4. Water Level Sensor

   • Description: A sensor used to detect the level of water.
   • Pins: SIG, VCC, GND

Wiring Details

ESP32 (30 pin)

• D32 is connected to SIG of the Water Level Sensor.
• GND is connected to:
  • GND of the HC-SR04 Ultrasonic Sensor
  • GND of the Servo
  • GND of the Water Level Sensor
• Vin is connected to:
  • VCC of the Servo
  • VCC of the Water Level Sensor
• D23 is connected to PWM of the Servo.
• D19 is connected to TRIG of the HC-SR04 Ultrasonic Sensor.
• D4 is connected to ECHO of the HC-SR04 Ultrasonic Sensor.
• 3V3 is connected to VCC of the HC-SR04 Ultrasonic Sensor.

HC-SR04 Ultrasonic Sensor

• GND is connected to GND of the ESP32.
• VCC is connected to 3V3 of the ESP32.
• TRIG is connected to D19 of the ESP32.
• ECHO is connected to D4 of the ESP32.

Servo

• GND is connected to GND of the ESP32.
• VCC is connected to Vin of the ESP32.
• PWM is connected to D23 of the ESP32.

Water Level Sensor

• SIG is connected to D32 of the ESP32.
• GND is connected to GND of the ESP32.
• VCC is connected to Vin of the ESP32.

Code

No code is provided for this circuit.