Published November 18, 2020 © GPL3+

digicycle

In this project, we are going to make a speedometer odometer and indicator for your cycle

BeginnerFull instructions provided345

Things used in this project

Hardware components

Arduino Mega 2560

RGB LCD Shield Kit, 16x2 Character Display

High Brightness LED, White

ir sensor module

paint white

Software apps and online services

Arduino IDE

Hand tools and fabrication machines

Tape, Double Sided

Tape, Electrical Insulation

Hot glue gun (generic)

Story

Intro

Hello, this is the first project I am uploading to this website. Today we are going to make a speedometer and an odometer with an indicator for your cycle. This project is pretty simple. So, let's get started.

Speedometer and Odometer

First, we are going to start with the speedometer and the odometer. We need three items for this. Arduino Mega/UNO, LCD display, and an IR sensor. Making with the uno can be difficult as we have to solder to the pins for the display.

First, plug on the LCD shield onto the Arduino. Connect the pins of the IR sensor

as follows:-

signal--> 22

VCC-->5v

gnd-->gnd

So, now time to paint. As we have to attach the ir sensor to the front wheel,

we have to paint a stripe of white paint on the side of the tyre. Like this:-

We have to do this as the sensor has to sense the make and break of the paint.

It counts the number of times it has come and it gives out the distance.

The time between the two breaks is also calculated to give out the speed.

Now, let's attach the IR sensor to the frame near the tyre. Like this:-

Now, we are ready. Upload the code to the Arduino with the LCD shield and stick it to the centre of the handle of the cycle with double-sided tape and a hot glue gun. Power the Arduino with the power bank or battery. It is better to use a power bank as it has more capacity. Spin the wheel to see the speed and distance covered by the wheel.

Indicators

Now, let's start with the indicator. Here we need one item; the Led.This is simple. Just connect it as follows:-

led 1:-(left)

VCC-->26

gnd-->gnd

led 2:-(right)

VCC-->28

gnd-->gnd

After this step stick the led's to the left and right frames of the cycle respectively. Just as follows:-

You can even add reflectors for more visibility

Finish!!!!!!!!!!!!!!!!!!!!!!!

Just press the left button for left indicator and right for the right indicator

Code

code for project

#include <LiquidCrystal.h>
double distance;
double Circumference = 1.8;
float Speed;
int roundedDistance;

float startTime = 0;

float endTime = 0;

float Time = 0;

LiquidCrystal lcd(8, 9, 4, 5, 6, 7);
int lcd_key     = 0;
int adc_key_in  = 0;

#define btnRIGHT  0
#define btnUP     1
#define btnDOWN   2
#define btnLEFT   3
#define btnSELECT 4
#define btnNONE   5

int read_LCD_buttons() {
  adc_key_in = analogRead(0);
  if (adc_key_in > 1000) return btnNONE;
  if (adc_key_in < 26)   return btnRIGHT;
  if (adc_key_in < 226)  return btnUP;
  if (adc_key_in < 426)  return btnDOWN;
  if (adc_key_in < 600)  return btnLEFT;
  if (adc_key_in < 920)  return btnSELECT;
  return btnNONE;
}

void setup() {
  Serial.begin(9600);
  pinMode(23, OUTPUT);
  pinMode(24, OUTPUT);
  pinMode(22, INPUT);
  digitalWrite(23, LOW);
  digitalWrite(24, HIGH);
  pinMode(26, OUTPUT);
pinMode(28, OUTPUT);

  lcd.begin(16,2);
  lcd.print("Distance: ");
  lcd.setCursor(0,1);
  lcd.print("Speed: ");

}

void loop() {

  int x;
  int y;
  
  x = digitalRead(22);
 // Serial.print(x);
  delay(1);
  y = digitalRead(22);

  if (x == 1 && y == 0) {
    distance += Circumference;  //m
    roundedDistance = round(distance);
    lcd.setCursor(10,0);
    lcd.print(roundedDistance);
       lcd.print("m");
   
    endTime = millis();
    Time = (endTime - startTime)/3600000;  
    Speed = (0.0018)/Time; //km/h
    Serial.print(Time);

    lcd.setCursor(7,1);
    lcd.print(Speed);
    lcd.print("km/h");
    startTime = millis();
     
    
  } 
  lcd_key = read_LCD_buttons();
  switch (lcd_key) {
    case btnRIGHT: {
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);
       digitalWrite(28, HIGH);
       delay(500);
       digitalWrite(28, LOW);
       delay(500);   
      break;
    }
    case btnLEFT: {
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
       digitalWrite(26, HIGH);
       delay(500);
       digitalWrite(26, LOW);
       delay(500);
      break;
    }
    analogRead(0);

  }
  }

digicycle

Things used in this project

Hardware components

Software apps and online services

Hand tools and fabrication machines

Story

Intro

Speedometer and Odometer

Indicators

Schematics

code with circuit diagram

Code

code for project

Credits

nishitdb

Comments

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digicycle

digicycle

Things used in this project

Hardware components

Software apps and online services

Hand tools and fabrication machines

Story

Intro

Speedometer and Odometer

Indicators

Schematics

code with circuit diagram

Code

code for project

Credits

nishitdb

Comments

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