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Foxlab Makerspace in association with GTech - Group of Technology Companies in Kerala is launching our prestigious program “Kerala IoT Challenge 2021”, with a vision to mould 100 IoT experts in Kerala, hosting on the µLearn platform. Kerala IoT Challenge is a program designed in 4 levels followed by a hackathon to identify and train quality industry leaders in the IoT domain, while any novice learner can start with layer 1 and others can enter laterally to the desired layer after an evaluation.
Hi, I am AADHISH S. I am a second year B-Tech Computer Science student @ Mahaguru Institute of Technology.
I have helped in some computer science and electronics projects. I love to learn new things and I like to be updated with development in the Tech Industry. I am Fascinated about Tech, Business and related stuff.
- Arduino Uno Board x1
- USB Cable x1
- LED (Any Color) x1
- 220 OHM Resistor X1
- Breadboard
- Jumper Wires (Male to Male ) x2
int ledPin = 10; // define digital pin 10.
void setup()
{
pinMode(ledPin, OUTPUT);// define pin with LED connected as output.
}
void loop()
{
digitalWrite(ledPin, HIGH); // set the LED on.
delay(1000); // wait for a second.
digitalWrite(ledPin, LOW); // set the LED off.
delay(1000); // wait for a second
}
- Arduino board x1
- USB cable x1
- Red M5 LED x1
- Yellow M5 LED x1
- Green M5 LED x1
- 220Ω resistor x3
- Breadboard x1
- Breadboard jumper wires as needed
int red =10; // initialize digital pin 8.
int yellow =7; // initialize digital pin 7.
int green =4; // initialize digital pin 4.
void setup()
{
pinMode(red, OUTPUT);// set red LED pin as “output”
pinMode(yellow, OUTPUT); // set yellow LED pin as “output”
pinMode(green, OUTPUT); // set green LED pin as “output”
}
void loop()
{
digitalWrite(green, HIGH);// turn on green LED
delay(5000);// wait 5 seconds
digitalWrite(green, LOW); // turn off green LED
for(int i=0;i<3;i++)// blinks for 3 times
{
delay(500);// wait 0.5 second
digitalWrite(yellow, HIGH);// turn on yellow LED
delay(500);// wait 0.5 second
digitalWrite(yellow, LOW);// turn off yellow LED
}
delay(500);// wait 0.5 second
digitalWrite(red, HIGH);// turn on red LED
delay(5000);// wait 5 seconds
digitalWrite(red, LOW);// turn off red LED
}
- LED x6
- Arduino board x1
- 220Ω resistor x6
- Breadboard x1
- USB cable x1
- Breadboard wire x13
int first= 2; // the I/O pin for the first LED
int last= 6; // number of LEDs
void setup(){
for (int i = start; i < first + last; i ++){
pinMode(i, OUTPUT); // set I/O pins as output
}
}
void loop(){
for (int i = BASE; i < start +; i ++){
digitalWrite(i, LOW); // set I/O pins as “low”, turn off LEDs one by one.
delay(200); // delay
}
for (int i = BASE; i < BASE + NUM; i ++){
digitalWrite(i, HIGH); // set I/O pins as “high”, turn on LEDs one by one
delay(200); // delay
}
}
- Arduino Uno
- Button switch*1
- Red M5 LED*1
- 220ΩResistor*1
- 10KΩ Resistor*1
- Breadboard*1
- Breadboard Jumper Wire*6
- USB cable*1
int ledpin=11;// initialize pin 11
int inpin=3;// initialize pin 3
int val;// define val
void setup()
{
pinMode(ledpin,OUTPUT);// set LED pin as “output”
pinMode(inpin,INPUT);// set button pin as “input”
}
void loop()
{
val=digitalRead(inpin);// read the level value of pin 3 and assign if to val
if(val==LOW)// check if the button is pressed, if yes, turn on the LED
{ digitalWrite(ledpin,LOW);}
else
{ digitalWrite(ledpin,HIGH);}
}
- Arduino Uno
- Buzzer x1
- Breadboard x1
- Breadboard Jumper Wire x2
- USB cable x1
int buzzer=8;// initialize digital IO pin that controls the buzzer
void setup()
{
pinMode(buzzer,OUTPUT);// set pin mode as “output”
}
void loop()
{
digitalWrite(buzzer, HIGH); // produce sound
}
- Arduino Uno
- USB Cable x1
- RGB LED x1
- Resistor x3
- Breadboard jumper wire x5
int redpin = 11; //select the pin for the red LED
int bluepin =10; // select the pin for the blue LED
int greenpin =9;// select the pin for the green LED
int val;
void setup() {
pinMode(redpin, OUTPUT);
pinMode(bluepin, OUTPUT);
pinMode(greenpin, OUTPUT);
Serial.begin(9600);
}
void loop()
{
for(val=255; val>0; val--)
{
analogWrite(11, val);
analogWrite(10, 255-val);
analogWrite(9, 128-val);
delay(1);
}
for(val=0; val<255; val++)
{
analogWrite(11, val);
analogWrite(10, 255-val);
analogWrite(9, 128-val);
delay(1);
}
Serial.println(val, DEC);
}
- Arduino Uno Board
- Photo Resistorx1
- Red M5 LED x1
- 10KΩ Resistor x1
- 220Ω Resistor x1
- Breadboard x1
- Breadboard Jumper Wire x5
- USB cable x1
void setup() {
pinMode(8,INPUT);
pinMode(9,OUTPUT);
Serial.begin(9600); //initialise serial monitor
}
void loop() {
int temp=digitalRead(8); //assign value of LDR sensor to a temporary variable
Serial.println("Intensity="); //print on serial monitor using ""
Serial.println(temp); //display output on serial monitor
delay(300);
if(temp==HIGH) //HIGH means,light got blocked
digitalWrite(9,HIGH); //if light is not present,LED on
else
digitalWrite(9,LOW); //if light is present,LED off
}
- Arduino Uno Board
- IR Reciever
- LED*1
- 10KΩ Resistor*1
- Breadboard*1
- Breadboard Jumper Wire*4
- USB cable*1
int flame=0;// select analog pin 0 for the sensor
int LED=9;// select digital pin 9 for the LED
int val=0;
void setup()
{
pinMode(LED,OUTPUT);
pinMode(flame,INPUT);
Serial.begin(9600);
void loop()
{
val=analogRead(flame);// read the analog value of the sensor
Serial.println(val);// output and display the analog value
if(val>=600)// when the analog value is larger than 600, the led will glow
{
digitalWrite(LED,HIGH);
}else
{
digitalWrite(LED,LOW);
}
delay(500);
}
- Arduino Uno Board
- LM35 Sensor
- Breadboard*1
- Breadboard Jumper Wire*3
- USB cable*1
int sensorPin = 0; // initialize analog pin 0 for LM35 temperature sensor void setup() { Serial.begin(9600);// set baud rate at”9600” } void loop() { int val;// define variable int dat;// define variable val=analogRead(sensorPin);// read the analog value of the sensor and assign it to val dat=(125*val)>>8;// temperature calculation formula Serial.print("Tep");// output and display characters beginning with Tep Serial.print(dat);// output and display value of dat Serial.println("C");// display “C” characters delay(500);// wait for 0.5 second }
- Arduino Uno Board
- TSOP Sensor
- LED*4
- resistor(220 ohm)*4
- Breadboard*1
- Breadboard Jumper Wire*8
- USB cable*1
#include <IRremote.h>const int RECV_PIN = 4 ; int led1 = 5; int led2 = 6; int led3 = 7; int led4 = 8; int itsONled[] = {0,0,0,0,0};
#define code1 48511 #define code2 38079 #define code3 49371 #define code4 15355
IRrecv irrecv(RECV_PIN); decode_results results;
void setup() { // put your setup code here, to run once: Serial.begin(9600); pinMode(led1,OUTPUT); pinMode(led2,OUTPUT); pinMode(led3,OUTPUT); pinMode(led4,OUTPUT);
irrecv.enableIRIn();
}
void loop() {
if (irrecv.decode(&results)) { unsigned int value = results.value; switch(value) { case code1: if(itsONled[1] == 1) { // if first led is on then digitalWrite(led1, LOW); // turn it off when button is pressed itsONled[1] = 0; // and set its state as off } else { // else if first led is off digitalWrite(led1, HIGH); // turn it on when the button is pressed itsONled[1] = 1; // and set its state as on } break; case code2: if(itsONled[2] == 1) { digitalWrite(led2, LOW); itsONled[2] = 0; } else { digitalWrite(led2, HIGH); itsONled[2] = 1; } break; case code3: if(itsONled[3] == 1) { digitalWrite(led3, LOW); itsONled[3] = 0; } else { digitalWrite(led3, HIGH); itsONled[3] = 1; } break;
case code4: if(itsONled[4] == 1) { digitalWrite(led4, LOW); itsONled[4] = 0; } else { digitalWrite(led4, HIGH); itsONled[4] = 1; } break;
} Serial.println(value); irrecv.resume(); } }
- Arduino Uno Board
- Potentiometer*1
- LED*1
- 220Ω Resistor*1
- Breadboard*1
- Breadboard Jumper Wire*5
- USB cable*1
** i added a LED on output of potentiometer, so i can adjut LED’s brightness
int vr = 0; int val; void setup() { // put your setup code here, to run once: pinMode(vr,INPUT); Serial.begin(9600);}
void loop() { // put your main code here, to run repeatedly: val = analogRead(vr); Serial.println(val);
}
- Arduino Uno Board
- 1-digit LED Segment Display*1
- LED*1
- 220Ω Resistor*8
- Breadboard*1
- Breadboard Jumper Wire*10
- USB cable*1
int a=10;// set digital pin 7 for segment a int b=11;// set digital pin 6 for segment b int c=5;// set digital pin 5 for segment c int d=6;// set digital pin 10 for segment d int e=7;// set digital pin 11 for segment e int f=8;// set digital pin 8 for segment f int g=9;// set digital pin 9 for segment g int dp=4;// set digital pin 4 for segment dpvoid digital_0(void) // display number 0 { unsigned char j; digitalWrite(a,HIGH); digitalWrite(b,HIGH); digitalWrite(c,HIGH); digitalWrite(d,HIGH); digitalWrite(f,HIGH); digitalWrite(e,HIGH); digitalWrite(g,LOW); digitalWrite(dp,LOW); } void digital_1(void) // display number 1 { unsigned char j; digitalWrite(a,LOW); digitalWrite(b,HIGH); digitalWrite(c,HIGH); digitalWrite(d,LOW); digitalWrite(e,LOW); digitalWrite(f,LOW); digitalWrite(g,LOW); digitalWrite(dp,LOW); } void digital_2(void) // display number 2 { unsigned char j; digitalWrite(b,HIGH); digitalWrite(a,HIGH); digitalWrite(c,LOW); digitalWrite(d,HIGH); digitalWrite(g,HIGH); digitalWrite(dp,LOW); digitalWrite(e,HIGH); digitalWrite(f,LOW); } void digital_3(void) // display number 3 {digitalWrite(g,HIGH); digitalWrite(a,HIGH); digitalWrite(b,HIGH); digitalWrite(c,HIGH); digitalWrite(d,HIGH); digitalWrite(dp,LOW); digitalWrite(f,LOW); digitalWrite(e,LOW); } void digital_4(void) // display number 4 {digitalWrite(c,HIGH); digitalWrite(b,HIGH); digitalWrite(f,HIGH); digitalWrite(g,HIGH); digitalWrite(dp,LOW); digitalWrite(a,LOW); digitalWrite(e,LOW); digitalWrite(d,LOW); } void digital_5(void) // display number 5 { unsigned char j; digitalWrite(a,HIGH); digitalWrite(b, LOW); digitalWrite(c,HIGH); digitalWrite(d,HIGH); digitalWrite(e, LOW); digitalWrite(f,HIGH); digitalWrite(g,HIGH); digitalWrite(dp,LOW); } void digital_6(void) // display number 6 { unsigned char j; for(j=7;j<=11;j++) digitalWrite(j,HIGH); digitalWrite(c,HIGH); digitalWrite(dp,LOW); digitalWrite(b,LOW); } void digital_7(void) // display number 7 { unsigned char j; digitalWrite(c,HIGH); digitalWrite(b,HIGH); digitalWrite(f,LOW); digitalWrite(g,LOW); digitalWrite(dp,LOW); digitalWrite(a,HIGH); digitalWrite(e,LOW); digitalWrite(d,LOW);
} void digital_8(void) // display number 8 { unsigned char j; for(j=5;j<=11;j++) digitalWrite(j,HIGH); digitalWrite(dp,LOW); } void digital_9(void) // display number 5 { unsigned char j; digitalWrite(a,HIGH); digitalWrite(b,HIGH); digitalWrite(c,HIGH); digitalWrite(d,HIGH); digitalWrite(e, LOW); digitalWrite(f,HIGH); digitalWrite(g,HIGH); digitalWrite(dp,LOW); } void setup() { int i;// set variable for(i=4;i<=11;i++) pinMode(i,OUTPUT);// set pin 4-11as “output” } void loop() { while(1) { digital_0();// display number 0 delay(1000);// wait for 1s digital_1();// display number 1 delay(1000);// wait for 1s digital_2();// display number 2 delay(1000); // wait for 1s digital_3();// display number 3 delay(1000); // wait for 1s digital_4();// display number 4 delay(1000); // wait for 1s digital_5();// display number 5 delay(1000); // wait for 1s digital_6();// display number 6 delay(1000); // wait for 1s digital_7();// display number 7 delay(1000); // wait for 1s digital_8();// display number 8 delay(1000); // wait for 1s digital_9();// display number 9 delay(1000); // wait for 1s }}
- Arduino Uno Board
- Photo Resistor*1
- Red M5 LED*1
- 10KΩ Resistor*1
- 220Ω Resistor*1
- Breadboard*1
- Breadboard Jumper Wire*5
- USB cable*1
LDR
int led = 4; int ldr = 0; int ldr_value; void setup() { // put your setup code here, to run once: pinMode(led,OUTPUT); pinMode(ldr,INPUT); Serial.begin(9600);}
void loop() { // put your main code here, to run repeatedly: ldr_value = analogRead(ldr); Serial.println(ldr_value);
if(ldr_value < 150){ digitalWrite(led,HIGH);
}else{ digitalWrite(led,LOW); }
}
}
- Arduino Uno Board
- 7 Segment Display
- LED*1
- 220Ω Resistor*8
- Breadboard*1
- Breadboard Jumper Wire*12
- USB cable*1
int a=10;// set digital pin 7 for segment a
int b=11;// set digital pin 6 for segment b
int c=5;// set digital pin 5 for segment c
int d=6;// set digital pin 10 for segment d
int e=7;// set digital pin 11 for segment e
int f=8;// set digital pin 8 for segment f
int g=9;// set digital pin 9 for segment g
int dp=4;// set digital pin 4 for segment dp
int btnPin = 3;
int btnState;
long ran;
void digital_0(void) // display number 0
{
unsigned char j;
digitalWrite(a,HIGH);
digitalWrite(b,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,HIGH);
digitalWrite(f,HIGH);
digitalWrite(e,HIGH);
digitalWrite(g,LOW);
digitalWrite(dp,LOW);
}
void digital_1(void) // display number 1
{
unsigned char j;
digitalWrite(a,LOW);
digitalWrite(b,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
digitalWrite(dp,LOW);
}
void digital_2(void) // display number 2
{
unsigned char j;
digitalWrite(b,HIGH);
digitalWrite(a,HIGH);
digitalWrite(c,LOW);
digitalWrite(d,HIGH);
digitalWrite(g,HIGH);
digitalWrite(dp,LOW);
digitalWrite(e,HIGH);
digitalWrite(f,LOW);
}
void digital_3(void) // display number 3
{digitalWrite(g,HIGH);
digitalWrite(a,HIGH);
digitalWrite(b,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,HIGH);
digitalWrite(dp,LOW);
digitalWrite(f,LOW);
digitalWrite(e,LOW);
}
void digital_4(void) // display number 4
{digitalWrite(c,HIGH);
digitalWrite(b,HIGH);
digitalWrite(f,HIGH);
digitalWrite(g,HIGH);
digitalWrite(dp,LOW);
digitalWrite(a,LOW);
digitalWrite(e,LOW);
digitalWrite(d,LOW);
}
void digital_5(void) // display number 5
{
unsigned char j;
digitalWrite(a,HIGH);
digitalWrite(b, LOW);
digitalWrite(c,HIGH);
digitalWrite(d,HIGH);
digitalWrite(e, LOW);
digitalWrite(f,HIGH);
digitalWrite(g,HIGH);
digitalWrite(dp,LOW);
}
void digital_6(void) // display number 6
{
unsigned char j;
for(j=6;j<=11;j++)
digitalWrite(j,HIGH);
digitalWrite(c,HIGH);
digitalWrite(dp,LOW);
digitalWrite(b,LOW);
}
void setup()
{
int i;// set variable
for(i=4;i<=11;i++)
pinMode(i,OUTPUT);// set pin 4-11as “output”
pinMode(3,INPUT);
randomSeed(analogRead(0));
Serial.begin(9600);
}
void loop()
{
btnState = digitalRead(btnPin);
if (btnState == HIGH){
ran = random(1,7);
Serial.println(ran);
if (ran == 1){
digital_1();
delay(2000);
}
if (ran == 2){
digital_2();
delay(2000);
}
if (ran == 3){
digital_3();
delay(2000);
}
if (ran == 4){
digital_4();
delay(2000);
}
if (ran == 5){
digital_5();
delay(2000);
}
if (ran == 6){
digital_6();
delay(2000);
}
}
else{
digitalWrite(a,LOW);
digitalWrite(b,LOW);
digitalWrite(c,LOW);
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
digitalWrite(dp,LOW);
}
}