Circuit Documentation

Summary

This document provides a detailed overview of a circuit designed using an ESP32-S3 microcontroller and various sensors and actuators. The circuit includes temperature, pH, turbidity, TDS, and DO sensors, as well as a water pump, heater, servo, aerator, and water filter. The ESP32-S3 microcontroller is used to read sensor data and control the actuators via relays.

Component List

1. ESP32-S3

   • Description: A powerful microcontroller with Wi-Fi and Bluetooth capabilities.
   • Pins: 3v3, EN, GPIO4, GPIO5, GPIO6, GPIO7, GPIO15, GPIO16, GPIO17, GPIO18, GPIO8, GPIO46, GPIO9, GPIO10, GPIO11, GPIO12, GPIO13, GPIO14, 5V, GND, GPIO43, GPIO44, GPIO1, GPIO2, GPIO42, GPIO41, GPIO40, GPIO39, GPIO38, GPIO37, GPIO36, GPIO35, GPIO0, GPIO45, GPIO48, GPIO47, GPIO21, GPIO20, GPIO19

2. Temperature Sensor (LM35)

   • Description: A precision integrated-circuit temperature sensor.
   • Pins: +Vs, Vout, GND

3. PH Meter

   • Description: A sensor to measure the pH level of a solution.
   • Pins: Signal, VCC, GND

4. Turbidity Sensor

   • Description: A sensor to measure the turbidity (cloudiness) of water.
   • Pins: OUT, VCC, GND

5. TDS Sensor

   • Description: A sensor to measure the Total Dissolved Solids (TDS) in water.
   • Pins: AI, GND, 5V

6. DO Sensor

   • Description: A sensor to measure the dissolved oxygen in water.
   • Pins: Vcc, Gnd, Out

7. 5V Mini Water Pump

   • Description: A small water pump powered by 5V.
   • Pins: positive pin, negative pin

8. Water Heater

   • Description: A device to heat water.
   • Pins: V+, V-

9. Servo (Wokwi Compatible)

   • Description: A servo motor compatible with Wokwi.
   • Pins: GND, V+, PWM

10. Aerator

    • Description: A device to aerate water.
    • Pins: v-, v+

11. Water Filter

    • Description: A device to filter water.
    • Pins: v+, v-

12. 5V Relay

    • Description: A relay module to control high-power devices.
    • Pins: Normally Open, Common terminal, Normally Closed, In, GND, VCC

Wiring Details

ESP32-S3

• GPIO4: Connected to the "In" pin of a 5V relay.
• GPIO5: Connected to the "In" pin of a 5V relay.
• GPIO6: Connected to the "In" pin of a 5V relay.
• GPIO7: Connected to the "In" pin of a 5V relay.
• GPIO19: Connected to the "PWM" pin of the Servo.
• GPIO36: Connected to the "Signal" pin of the PH Meter.
• GPIO37: Connected to the "AI" pin of the TDS Sensor.
• GPIO38: Connected to the "OUT" pin of the Turbidity Sensor.
• GPIO39: Connected to the "Out" pin of the DO Sensor.
• GPIO40: Connected to the "Vout" pin of the Temperature Sensor.
• 5V: Connected to the "VCC" pins of various components.
• GND: Connected to the "GND" pins of various components.

Temperature Sensor (LM35)

• +Vs: Connected to the "VCC" pin of a 5V relay.
• Vout: Connected to the "GPIO40" pin of the ESP32-S3.
• GND: Connected to the "GND" pin of a 5V relay.

PH Meter

• Signal: Connected to the "GPIO36" pin of the ESP32-S3.
• VCC: Connected to the "VCC" pin of a 5V relay.
• GND: Connected to the "GND" pin of a 5V relay.

Turbidity Sensor

• OUT: Connected to the "GPIO38" pin of the ESP32-S3.
• VCC: Connected to the "VCC" pin of a 5V relay.
• GND: Connected to the "GND" pin of a 5V relay.

TDS Sensor

• AI: Connected to the "GPIO37" pin of the ESP32-S3.
• 5V: Connected to the "VCC" pin of a 5V relay.
• GND: Connected to the "GND" pin of a 5V relay.

DO Sensor

• Vcc: Connected to the "VCC" pin of a 5V relay.
• Out: Connected to the "GPIO39" pin of the ESP32-S3.
• Gnd: Connected to the "GND" pin of a 5V relay.

5V Mini Water Pump

• positive pin: Connected to the "Common terminal" pin of a 5V relay.
• negative pin: Connected to the "Normally Closed" pin of a 5V relay.

Water Heater

• V+: Connected to the "Common terminal" pin of a 5V relay.
• V-: Connected to the "Normally Closed" pin of a 5V relay.

Servo (Wokwi Compatible)

• GND: Connected to the "GND" pin of a 5V relay.
• V+: Connected to the "VCC" pin of a 5V relay.
• PWM: Connected to the "GPIO19" pin of the ESP32-S3.

Aerator

• v-: Connected to the "Normally Closed" pin of a 5V relay.
• v+: Connected to the "Common terminal" pin of a 5V relay.

Water Filter

• v+: Connected to the "Common terminal" pin of a 5V relay.
• v-: Connected to the "Normally Closed" pin of a 5V relay.

5V Relay

• In: Connected to various GPIO pins of the ESP32-S3.
• VCC: Connected to the "5V" pin of the ESP32-S3.
• GND: Connected to the "GND" pin of the ESP32-S3.
• Common terminal: Connected to various components.
• Normally Closed: Connected to various components.
• Normally Open: Not used in this circuit.

Code

No code is provided for this circuit.