Circuit Documentation

Summary

This document provides a detailed overview of a circuit designed to control a water pump and monitor water quality using a turbidity module and a pH meter. The circuit is controlled by an ATMEGA328 microcontroller, which interfaces with a motor driver to control the water pump and reads data from the turbidity module and pH meter.

Component List

1. Water Pump

   • Pins: VCC, GND
   • Description: A pump used to move water.
   • Purpose in Circuit: Controlled by the motor driver to manage water flow.

2. Motor Driver

   • Pins: VB+, VB-, M1A, M1B, M2A, M2B, 5V, GND
   • Description: A driver used to control motors.
   • Purpose in Circuit: Controls the water pump based on signals from the microcontroller.

3. Turbidity Module

   • Pins: VCC, GND, OUT
   • Description: A sensor used to measure the turbidity (cloudiness) of water.
   • Purpose in Circuit: Provides turbidity data to the microcontroller.

4. pH Meter V1.1

   • Pins: DATA, VCC, GND
   • Description: A sensor used to measure the pH level of water.
   • Purpose in Circuit: Provides pH data to the microcontroller.

5. ATMEGA328

   • Pins: RESET, D0, D1, D2, D3, D4, VCC, GND, CRYSTAL, D5, D6, D7, D8, D9, D10, D11, D12, D13, AREF, A0, A1, A2, A3, A4, A5
   • Description: A microcontroller used to control the circuit.
   • Purpose in Circuit: Reads data from sensors and controls the motor driver.

Wiring Details

Water Pump

• VCC is connected to VB+ of the Motor Driver.
• GND is connected to the common ground shared with the ATMEGA328, Motor Driver, pH Meter, and Turbidity Module.

Motor Driver

• VB+ is connected to VCC of the Water Pump.
• VB- is connected to the common ground.
• M1A is connected to D2 of the ATMEGA328.
• M1B is connected to D3 of the ATMEGA328.
• M2A is connected to D4 of the ATMEGA328.
• M2B is connected to D5 of the ATMEGA328.
• 5V is not connected in this circuit.
• GND is connected to the common ground.

Turbidity Module

• VCC is connected to VCC of the ATMEGA328.
• GND is connected to the common ground.
• OUT is connected to A2 of the ATMEGA328.

pH Meter V1.1

• DATA is connected to A0 of the ATMEGA328.
• VCC is not connected in this circuit.
• GND is connected to the common ground.

ATMEGA328

• A0 is connected to DATA of the pH Meter.
• A2 is connected to OUT of the Turbidity Module.
• D2 is connected to M1A of the Motor Driver.
• D3 is connected to M1B of the Motor Driver.
• D4 is connected to M2A of the Motor Driver.
• D5 is connected to M2B of the Motor Driver.
• VCC is connected to VCC of the Turbidity Module.
• GND is connected to the common ground shared with the Motor Driver, pH Meter, Water Pump, and Turbidity Module.

Code

No code is provided for this circuit.

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This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. The circuit is designed to control a water pump and monitor water quality using a turbidity module and a pH meter, all controlled by an ATMEGA328 microcontroller.