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Fire Robot Relay & Motor Guide

The document provides detailed connection instructions for a Fire Fighting Robot project, including wiring for a relay module, water pump, and L298N motor driver. It specifies connections between the Arduino and various components, including digital pins and power supply connections. Additionally, it includes a sample Arduino code for controlling motor movement.

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janannianbalagan
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32 views5 pages

Fire Robot Relay & Motor Guide

The document provides detailed connection instructions for a Fire Fighting Robot project, including wiring for a relay module, water pump, and L298N motor driver. It specifies connections between the Arduino and various components, including digital pins and power supply connections. Additionally, it includes a sample Arduino code for controlling motor movement.

Uploaded by

janannianbalagan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Here are the step-by-step

connections for the relay


module in your Fire Fighting
Robot project:
Relay Module Connections:

1. VCC: Connect to Arduino 5V


2. GND: Connect to Arduino GND
3. IN: Connect to Arduino Digital Pin 8 (D8)
4. NO (Normally Open): Connect to Water Pump (+)
5. NC (Normally Closed): Not used
6. COM (Common): Connect to Water Pump (-)

Water Pump Connections:

1. (+): Connect to Relay Module NO


2. (-): Connect to Relay Module COM

Arduino Connections:

- Digital Pin 8 (D8): Relay Module IN


- 5V: Relay Module VCC
- GND: Relay Module GND
Motor relay:
Based on our previous conversation, here are the connections for your Fire
Fighting Robot using the single-channel EE2008 relay module:

Connections:

1. IN (I/P) → Arduino Digital Pin 6


2. VCC → 5V Power Supply
3. GND → Power Supply GND
4. NO (Normally Open) → Motor 1 (+) (Rear Left Wheel)
5. COM (Common) → Motor 1 (-) (Rear Left Wheel)
6. NC (Normally Closed) → Motor 2 (+) (Rear Right Wheel)
7. Dummy Motor 1 (Front Left): No connections
8. Dummy Motor 2 (Front Right): No connections

Here's a detailed connection


guide for the L298N motor
driver:
L298N Motor Driver Connections:

Motor 1 (Rear Left Wheel)


1. Motor 1 (+) → L298N Output 1 (OUT1)
2. Motor 1 (-) → L298N Output 2 (OUT2)

Motor 2 (Rear Right Wheel)

1. Motor 2 (+) → L298N Output 3 (OUT3)


2. Motor 2 (-) → L298N Output 4 (OUT4)

Arduino Connections:

1. L298N Input 1 (IN1) → Arduino Digital Pin 2


2. L298N Input 2 (IN2) → Arduino Digital Pin 3
3. L298N Input 3 (IN3) → Arduino Digital Pin 4
4. L298N Input 4 (IN4) → Arduino Digital Pin 5
5. L298N Enable A (ENA) → Arduino Digital Pin 6
6. L298N Enable B (ENB) → Arduino Digital Pin 7

Power Supply:

1. L298N VCC → 5V/12V Power Supply


2. L298N GND → Power Supply GND
3. L298N 5V → Arduino 5V (if using Arduino's 5V supply)
Dummy Motors:

No connections needed (non-functional)

Arduino Code Example:

const int motor1Forward = 2; // IN1


const int motor1Backward = 3; // IN2
const int motor2Forward = 4; // IN3
const int motor2Backward = 5; // IN4
const int enableA = 6; // ENA
const int enableB = 7; // ENB

void setup() {
pinMode(motor1Forward, OUTPUT);
pinMode(motor1Backward, OUTPUT);
pinMode(motor2Forward, OUTPUT);
pinMode(motor2Backward, OUTPUT);
pinMode(enableA, OUTPUT);
pinMode(enableB, OUTPUT);
}

void loop() {
// Forward movement
digitalWrite(motor1Forward, HIGH);
digitalWrite(motor2Forward, HIGH);
digitalWrite(enableA, HIGH);
digitalWrite(enableB, HIGH);
delay(1000);

// Stop movement
digitalWrite(motor1Forward, LOW);
digitalWrite(motor2Forward, LOW);
digitalWrite(enableA, LOW);
digitalWrite(enableB, LOW);
delay(1000);
}

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