Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various components such as resistors, pushbuttons, an ultrasonic sensor, a water pump, a power jack, a potentiometer, an LCD display, water level float switch sensors, a fuse holder, a relay module, and two Arduino UNO microcontrollers. The circuit is designed to perform specific functions, which are controlled by the microcontrollers.

Component List

Resistor

• Description: A passive electrical component that implements electrical resistance as a circuit element.
• Pins: pin1, pin2
• Properties:
  • Resistance: 220 Ohms
  • Resistance: 10000 Ohms

Pushbutton

• Description: A simple switch mechanism for controlling some aspect of a machine or a process.
• Pins: Pin 1 (in), Pin 2 (in), Pin 3 (out), Pin 4 (out)

HC-SR04 Ultrasonic Sensor

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

Water Pump

• Description: A device used to move fluids, such as water.
• Pins: VCC, GND

Power Jack

• Description: A connector used to supply power to the circuit.
• Pins: POSITIF, NEGATIF

Potentiometer

• Description: A three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider.
• Pins: GND, Output, VCC

LCD 16x2 (Wokwi Compatible)

• Description: A 16x2 character LCD display.
• Pins: VSS, VDD, V0, RS, RW, E, D0, D1, D2, D3, D4, D5, D6, D7, A, K

Water Level Float Switch Sensor

• Description: A sensor used to detect the level of liquid within a tank.
• Pins: Wire1, Wire2

Fuse Holder

• Description: A holder for a fuse, which is a safety device that protects an electrical circuit from overcurrent.
• Pins: wire 1, wire 2

1 Channel 5V Relay Module

• Description: A relay module used to control high voltage devices with a low voltage signal.
• Pins: VCC+, VCC- (GND), IN, N.O., COM, N.C.

Arduino UNO

• Description: A 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

Wiring Details

Resistor

• 220 Ohms Resistor:

  • pin1: Connected to LCD 16x2 (Wokwi Compatible) A
  • pin2: Connected to LCD 16x2 (Wokwi Compatible) VDD

• 10000 Ohms Resistor:

  • pin1: Connected to Pushbutton Pin 3 (out)
  • pin2: Connected to GND

Pushbutton

• Pushbutton 1:

  • Pin 1 (in): Connected to 5V
  • Pin 2 (in): Connected to Arduino UNO D8
  • Pin 3 (out): Connected to Resistor pin1
  • Pin 4 (out): Not connected

• Pushbutton 2:

  • Pin 1 (in): Connected to 5V
  • Pin 2 (in): Connected to Arduino UNO D9
  • Pin 3 (out): Connected to Resistor pin1
  • Pin 4 (out): Not connected

HC-SR04 Ultrasonic Sensor

• VCC: Connected to 5V
• TRIG: Connected to Arduino UNO D12
• ECHO: Connected to Arduino UNO D13
• GND: Connected to GND

Water Pump

• VCC: Connected to 1 Channel 5V Relay Module COM
• GND: Connected to Power Jack NEGATIF

Power Jack

• POSITIF: Connected to Fuse Holder wire 2
• NEGATIF: Connected to Water Pump GND

Potentiometer

• GND: Connected to LCD 16x2 (Wokwi Compatible) V0
• Output: Connected to LCD 16x2 (Wokwi Compatible) VDD
• VCC: Connected to GND

LCD 16x2 (Wokwi Compatible)

• VSS: Connected to GND
• VDD: Connected to Potentiometer Output
• V0: Connected to Potentiometer GND
• RS: Connected to Arduino UNO D2
• RW: Connected to GND
• E: Connected to Arduino UNO D3
• D4: Connected to Arduino UNO D4
• D5: Connected to Arduino UNO D5
• D6: Connected to Arduino UNO D6
• D7: Connected to Arduino UNO D7
• A: Connected to Resistor pin1
• K: Connected to GND

Water Level Float Switch Sensor

• Sensor 1:

  • Wire1: Connected to GND
  • Wire2: Connected to Arduino UNO A0

• Sensor 2:

  • Wire1: Connected to GND
  • Wire2: Connected to Arduino UNO A1

Fuse Holder

• wire 1: Connected to 1 Channel 5V Relay Module N.C.
• wire 2: Connected to Power Jack POSITIF

1 Channel 5V Relay Module

• VCC+: Connected to 5V
• VCC- (GND): Connected to GND
• IN: Connected to Arduino UNO D11
• N.O.: Not connected
• COM: Connected to Water Pump VCC
• N.C.: Connected to Fuse Holder wire 1

Arduino UNO

• Arduino UNO 1:

  • GND: Connected to GND
  • 5V: Connected to 5V
  • D2: Connected to LCD 16x2 (Wokwi Compatible) RS
  • D3: Connected to LCD 16x2 (Wokwi Compatible) E
  • D4: Connected to LCD 16x2 (Wokwi Compatible) D4
  • D5: Connected to LCD 16x2 (Wokwi Compatible) D5
  • D6: Connected to LCD 16x2 (Wokwi Compatible) D6
  • D7: Connected to LCD 16x2 (Wokwi Compatible) D7
  • D8: Connected to Pushbutton Pin 2 (in)
  • D9: Connected to Pushbutton Pin 2 (in)
  • D11: Connected to 1 Channel 5V Relay Module IN
  • D12: Connected to HC-SR04 Ultrasonic Sensor TRIG
  • D13: Connected to HC-SR04 Ultrasonic Sensor ECHO
  • A0: Connected to Water Level Float Switch Sensor Wire2
  • A1: Connected to Water Level Float Switch Sensor Wire1

• Arduino UNO 2:

  • GND: Connected to GND
  • 5V: Connected to 5V
  • D11: Connected to 1 Channel 5V Relay Module IN
  • A0: Connected to Water Level Float Switch Sensor Wire2
  • A1: Connected to Water Level Float Switch Sensor Wire1

Documented Code

Arduino UNO 1

File Name: sketch.ino

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

}

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

}

File Name: documentation.txt

Arduino UNO 2

File Name: sketch.ino

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

}

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

}

File Name: documentation.txt

This concludes the documentation for the circuit.