Circuit Documentation

Summary

This circuit is designed to interface various sensors and modules with an Arduino UNO microcontroller. The sensors include a TDS sensor, a turbidity sensor, a pH meter, and a temperature sensor. Additionally, the circuit includes a SIM800L GSM module for communication, a solar panel for power, a battery charger, and a boost converter for voltage regulation.

Component List

1. Arduino UNO

   • Description: Microcontroller board based on the ATmega328P.
   • Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

2. TDS Sensor Module

   • Description: Measures the total dissolved solids in water.
   • Pins: TDS Negative, TDS Positive, TDS A

3. Sonda Sensor TDS

   • Description: Probe for measuring total dissolved solids.
   • Pins: +, -

4. Resistor

   • Description: Passive electrical component that implements electrical resistance.
   • Pins: pin1, pin2
   • Properties: Resistance: NaN Ohms

5. Turbidity Module

   • Description: Measures the turbidity (cloudiness) of water.
   • Pins: GND, AO, DO, VCC, S+, SO, S-

6. Sonda Sensor Turbidez / turbidity

   • Description: Probe for measuring turbidity.
   • Pins: S, -, +

7. PH Meter

   • Description: Measures the pH level of a solution.
   • Pins: Signal, VCC, GND

8. Temperature Sensor

   • Description: Measures temperature.
   • Pins: Temp GND Black, Temp VDD Red, Temp DQ Data Yellow

9. SIM800L GSM Module

   • Description: GSM module for communication.
   • Pins: 5V, GND, VDD, SIM_TXD, SIM_RXD, RST

10. Solar Panel

    • Description: Converts sunlight into electrical energy.
    • Pins: +, -

11. Diode

    • Description: Allows current to flow in one direction only.
    • Pins: cathode, anode

12. Boost Converter MT3608

    • Description: Boosts the input voltage to a higher output voltage.
    • Pins: OUTPUT +, OUTPUT -, INPUT +, INPUT -

13. 18650 Li-ion Battery

    • Description: Rechargeable lithium-ion battery.
    • Pins: -, +

14. Battery Charger 4.2V

    • Description: Charges the 18650 Li-ion battery.
    • Pins: OUT+, OUT-, B+, B-, IN+, IN-

Wiring Details

Arduino UNO

• 5V connected to:

  • Resistor pin2
  • SIM800L GSM Module 5V
  • Temperature Sensor Temp VDD Red
  • PH Meter VCC
  • Turbidity Module VCC
  • TDS Sensor Module TDS Positive

• GND connected to:

  • SIM800L GSM Module GND
  • Temperature Sensor Temp GND Black
  • PH Meter GND
  • Turbidity Module GND
  • TDS Sensor Module TDS Negative
  • Boost Converter MT3608 OUTPUT -

• Vin connected to:

  • Boost Converter MT3608 OUTPUT +

• D8 connected to:

  • Resistor pin1
  • Temperature Sensor Temp DQ Data Yellow

• A0 connected to:

  • TDS Sensor Module TDS A

• A1 connected to:

  • Turbidity Module AO

• A2 connected to:

  • PH Meter Signal

• D3 connected to:

  • SIM800L GSM Module SIM_RXD

• D2 connected to:

  • SIM800L GSM Module SIM_TXD

TDS Sensor Module

• TDS Negative connected to:

  • Arduino UNO GND

• TDS Positive connected to:

  • Arduino UNO 5V

• TDS A connected to:

  • Arduino UNO A0

Sonda Sensor TDS

• + connected to:

  • TDS Sensor Module TDS Positive

• - connected to:

  • TDS Sensor Module TDS Negative

Resistor

• pin1 connected to:

  • Arduino UNO D8
  • Temperature Sensor Temp DQ Data Yellow

• pin2 connected to:

  • Arduino UNO 5V

Turbidity Module

• GND connected to:

  • Arduino UNO GND

• AO connected to:

  • Arduino UNO A1

• VCC connected to:

  • Arduino UNO 5V

• S+ connected to:

  • Sonda Sensor Turbidez / turbidity +

• SO connected to:

  • Sonda Sensor Turbidez / turbidity -

• S- connected to:

  • Sonda Sensor Turbidez / turbidity S

Sonda Sensor Turbidez / turbidity

• + connected to:

  • Turbidity Module S+

• - connected to:

  • Turbidity Module SO

• S connected to:

  • Turbidity Module S-

PH Meter

• Signal connected to:

  • Arduino UNO A2

• VCC connected to:

  • Arduino UNO 5V

• GND connected to:

  • Arduino UNO GND

Temperature Sensor

• Temp GND Black connected to:

  • Arduino UNO GND

• Temp VDD Red connected to:

  • Arduino UNO 5V

• Temp DQ Data Yellow connected to:

  • Resistor pin1
  • Arduino UNO D8

SIM800L GSM Module

• 5V connected to:

  • Arduino UNO 5V

• GND connected to:

  • Arduino UNO GND

• SIM_TXD connected to:

  • Arduino UNO D2

• SIM_RXD connected to:

  • Arduino UNO D3

Solar Panel

• + connected to:

  • Diode anode

• - connected to:

  • Battery Charger 4.2V IN-

Diode

• anode connected to:

  • Solar Panel +

• cathode connected to:

  • Battery Charger 4.2V IN+

Boost Converter MT3608

• OUTPUT + connected to:

  • Arduino UNO Vin

• OUTPUT - connected to:

  • Arduino UNO GND

• INPUT + connected to:

  • Battery Charger 4.2V OUT+

• INPUT - connected to:

  • Battery Charger 4.2V OUT-

18650 Li-ion Battery

• - connected to:

  • Battery Charger 4.2V B-

• + connected to:

  • Battery Charger 4.2V B+

Battery Charger 4.2V

• OUT+ connected to:

  • Boost Converter MT3608 INPUT +

• OUT- connected to:

  • Boost Converter MT3608 INPUT -

• B+ connected to:

  • 18650 Li-ion Battery +

• B- connected to:

  • 18650 Li-ion Battery -

• IN+ connected to:

  • Diode cathode

• IN- connected to:

  • Solar Panel -

Documented Code

Arduino UNO Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Sonda Sensor TDS Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

This documentation provides a comprehensive overview of the circuit, including a detailed list of components, their connections, and the code used in the microcontrollers.