Nancyvarkey at 02:53, 12 January 2018

2018-01-12T02:53:57Z

Nirmala Venkat: Created page with "'''Title of script''':''' Seven Segment Display''' '''Author:''' Nirmala Venkat '''Keywords:''' Arduino UNO board, Arduino IDE, Compile and upload, Seven Segment Display, Vi..."

2018-01-04T05:14:44Z

Created page with "'''Title of script''':''' Seven Segment Display''' '''Author:''' Nirmala Venkat '''Keywords:''' Arduino UNO board, Arduino IDE, Compile and upload, Seven Segment Display, Vi..."

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'''Title of script''':''' Seven Segment Display'''

'''Author:''' Nirmala Venkat

'''Keywords:''' Arduino UNO board, Arduino IDE, Compile and upload, Seven Segment Display, Video tutorials

{| style="border-spacing:0;"
| style="background-color:#c0c0c0;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| '''Visual Cue'''
| style="background-color:#c0c0c0;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| '''Narration'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 1:

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Welcome to the''' Spoken Tutorial''' on''' Seven Segment Display.'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 2:

Learning objectives

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| In this tutorial, we will learn to:

* Connect a''' Seven Segment Display''' to''' Arduino''' board and
* Write a program to display digits from 0 to 4 on the '''Seven Segment Display.'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 3:

Pre-requisites

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| To follow this tutorial, you should have basic knowledge of:

* '''Electronics '''and
* '''C''' or''' C++''' programming language

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 4:

System Requirement

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| To record this tutorial, I am using:

* '''Arduino UNO Board'''
* '''Ubuntu Linux '''operating system '''14.04''' and
* '''Arduino IDE'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 5:

External Devices

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| We will also require some external devices such as:

* '''Seven-Segment Display'''
* '''220 ohm Resistor'''
* '''Breadboard '''and
* '''Jumper Wires'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Show the image:

Seven-segment display
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| [[Image:]]

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide:6

Seven Segment Display
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| The '''seven-segment display''' has seven '''LEDs''' arranged in the shape of the digit eight.

There are two types of displays:

* '''common anode''' and
* '''common cathode seven segment display.'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Point to the diagram
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| In the '''common cathode seven-segment display,''' '''pins a, b, c, d, e, f, g''' and '''dot '''must be connected to '''+5V.'''

The two '''COM pins '''must be connected to '''ground (GND)'''.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Point to the diagram
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| The common '''anode seven-segment display''' is the exact opposite.

Here '''pins a, b, c, d, e, f, g '''and '''dot''' must be connected to '''GND''' and the two '''COM pins''' must be connected to '''+5V'''.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"|
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Now let us see the connection circuit details.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Show the image:

circuit.png
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| In this experiment, we will be using the '''common cathode seven-segment display.'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Point to the image according to narration.
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| '''Pins a, b, c, d, e, f '''and '''g '''of the '''seven-segment display''' are connected to''' pins 2, 3, 4, 5, 6, 8 '''and''' 9''' of '''Arduino''',respectively.

Note that we didn't connect to '''pin 7'''.

The two common '''(COM) pins''' are connected to the '''ground''' through the '''resistors'''.

This is shown here in the black color wire.

The '''resistor''' value should be greater than '''220 ohms.'''

'''Dot''' is left unconnected because it is not used in this experiment.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Show the real connection

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| This is the live setup of the connection, as shown in the circuit diagram.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Switch to Arduino IDE
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Now we will write a program in the '''Arduino IDE.'''

So let’s switch to the '''Arduino IDE'''.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"|
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| First we will write a program to blink the '''LEDs''' in the '''seven segment display.'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| // To blink the LEDs on SSD

<nowiki>#define </nowiki>a 2//connecting segment a to PIN2

<nowiki>#define </nowiki>b 3// connecting segment b to PIN3

<nowiki>#define </nowiki>c 4// connecting segment c to PIN4

<nowiki>#define </nowiki>d 5// connecting segment d to PIN5

<nowiki>#define </nowiki>e 6// connecting segment e to PIN6

<nowiki>#define </nowiki>f 8// connecting segment f to PIN8

<nowiki>#define </nowiki>g 9// connecting segment g to PIN9

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Type the code shown here.

We have assigned the segment names to the '''Arduino pins'''.

These help us to remember easily which '''Arduino ports''' are connected to the display’s segments.

This code is available in the code file link of this tutorial for your convenience.

You can download and use it.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| void setup()

{

pinMode(a, OUTPUT);

pinMode(b, OUTPUT);

pinMode(c, OUTPUT);

pinMode(d, OUTPUT);

pinMode(e, OUTPUT);

pinMode(f, OUTPUT);

pinMode(g, OUTPUT);

}
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| In the '''void setup function''', we will use the''' function pinMode '''to configure the '''pin''' to '''output''' mode.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| void loop()

{

digitalWrite(a,HIGH);

digitalWrite(b,HIGH);

digitalWrite(c,HIGH);

digitalWrite(d,HIGH);

digitalWrite(e,HIGH);

digitalWrite(f,HIGH);

digitalWrite(g,HIGH);

delay(1000);

digitalWrite(a,LOW);

digitalWrite(b,LOW);

digitalWrite(c,LOW);

digitalWrite(d,LOW);

digitalWrite(e,LOW);

digitalWrite(f,LOW);

digitalWrite(g,LOW);

delay(1000);

}

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Now we will write the code for '''void loop.'''

'''Void loop function''' will blink the '''LED''' of the '''seven segment display.'''

The code is same as the ones in the earlier tutorials.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Click on compile and upload button on the toolbar
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| We will now '''compile''' and '''upload''' the program.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Point to the output in the video

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Now we can see that''' '''all the '''LEDs '''in the '''seven segment''' are glowing.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"|
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Next, we will modify the program to display some digits.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Show the slide:

Highlight g in the diagram.

[[Image:]]
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Say, we want to display the digit zero.

The '''LEDs''' of '''segment 'g' '''should be low and all other '''LED segments''' should be high.

To display '1', '''b '''and '''c segments '''should be high and the other '''LEDS''' should be low.

Likewise, we can write the code for all other digits also.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Switch back to '''Arduino IDE.'''
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Let us switch back to the '''Arduino IDE.'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Copy and paste the code to display 0 to 4

void loop()

{

//ZERO

digitalWrite(a,HIGH);

digitalWrite(b,HIGH);

digitalWrite(c,HIGH);

digitalWrite(d,HIGH);

digitalWrite(e,HIGH);

digitalWrite(f,HIGH);

digitalWrite(g,LOW);

delay(1000);

//ONE

digitalWrite(a,LOW);

digitalWrite(b,HIGH);

digitalWrite(c,HIGH);

digitalWrite(d,LOW);

digitalWrite(e,LOW);

digitalWrite(f,LOW);

digitalWrite(g,LOW);

delay(1000);
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Change the code in the '''void loop function, '''as shown here.

I have written the code to display the digits '''0,1,2,3 '''and '''4.'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Click on compile and upload button on the tool bar
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Let us now '''compile''' and '''upload''' the program.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Show the output in the video
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| You can see that the digits 0 to 4 are displayed, with a delay of 1 second between them.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"|
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| This brings us to the end of this tutorial. Let us summarize.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 11:

Summary
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| In this tutorial, we learnt to

* Connect a''' Seven-segment Display''' to''' Arduino board''' and
* Write a program to display digits from 0 to 4 on a '''seven-segment display.'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 12:

Assignment
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Try doing the following assignment.

* Change the same program to display the digits 5,6,7,8 and 9.
* Compile and upload the program and
* Observe the digits displayed in the '''seven segment display.'''

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 13:

About Spoken Tutorial project

| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| The video at the following link summarizes the Spoken Tutorial project.

Please download and watch it.

|-
| style="background-color:#ffffff;border-top:1pt solid #000001;border-bottom:0.75pt solid #000001;border-left:1pt solid #000001;border-right:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 14:

Spoken Tutorial workshops
| style="background-color:#ffffff;border-top:1pt solid #000001;border-bottom:0.75pt solid #000001;border-left:1pt solid #000001;border-right:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| The''' Spoken Tutorial Project''' Team:

* conducts workshops and
* gives certificates.

For more details, please write to us.

|-
| style="background-color:#ffffff;border:0.75pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.078cm;padding-right:0.191cm;"| Slide 15:

Forum for specific questions
| style="background-color:#ffffff;border:0.75pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.078cm;padding-right:0.191cm;"| Please post your timed queries in this forum.

|-
| style="background-color:#ffffff;border-top:0.75pt solid #000001;border-bottom:1pt solid #000001;border-left:1pt solid #000001;border-right:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Slide 16:

Acknowledgement

| style="background-color:#ffffff;border-top:0.75pt solid #000001;border-bottom:1pt solid #000001;border-left:1pt solid #000001;border-right:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Spoken Tutorial project is funded by NMEICT, MHRD, Government of India.

More information on this mission is available at

this link.

|-
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"|
| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| This tutorial has been contributed by Spoken Tutorial Project, '''IIT Bombay'''.  

Thanks for watching.

|}

@@ Line 74: / Line 74: @@
 * '''common anode''' and
-* '''common cathode seven segment display.'''
+* '''common cathode'''
 |-
 | style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Point to the diagram
-| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| In the '''common cathode seven-segment display,''' '''pins a, b, c, d, e, f, g''' and '''dot '''must be connected to '''+5V.'''
+| style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| In the '''common cathode seven-segment display, pins a, b, c, d, e, f, g''' and '''dot '''must be connected to '''+5V.'''
 The two '''COM pins '''must be connected to '''ground (GND)'''.
 |-
@@ Line 156: / Line 157: @@
 These help us to remember easily which '''Arduino ports''' are connected to the display’s segments.
 This code is available in the code file link of this tutorial for your convenience.
@@ Line 254: / Line 256: @@
 [[Image:]]
 | style="background-color:#ffffff;border:1pt solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.071cm;padding-right:0.191cm;"| Say, we want to display the digit zero.
 The '''LEDs''' of '''segment 'g' '''should be low and all other '''LED segments''' should be high.
@@ Line 334: / Line 337: @@
 * Connect a''' Seven-segment Display''' to''' Arduino board''' and
 * Write a program to display digits from 0 to 4 on a '''seven-segment display.'''
 |-
@@ Line 346: / Line 347: @@
 * Compile and upload the program and
 * Observe the digits displayed in the '''seven segment display.'''
 |-

Arduino/C2/Seven-Segment-Display/English - Revision history

Nancyvarkey at 02:53, 12 January 2018

Nirmala Venkat: Created page with "'''Title of script''':''' Seven Segment Display''' '''Author:''' Nirmala Venkat '''Keywords:''' Arduino UNO board, Arduino IDE, Compile and upload, Seven Segment Display, Vi..."