Other Arduino Codes and Videos by Robojax

Arduino code and video Hall Sensor Module

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Hall Sensor module for Arduino

1. Hall Sensor Datasheet (pdf)

 /*
 * This is the Arduino code for Hall Sensor module for Arduino

 // Written for Robojax.com video 
* Hall sensor switch will detect the magnetic field and module is used to trigger something.
 * watch video for details https://youtu.be/QH1Lw9BwTJI
 * Code is available at http://robojax.com/learn/arduino

 * 
Written by Ahmad Nejrabi for Robojax.com
on Jan 28, 2018 at 19:41 in Ajax, Ontario, Canada
 * Permission granted to share this code given that this
 * note is kept with the code.
 * Disclaimer: this code is "AS IS" and for educational purpose only.
 * 
 */

 /*
 */
  // Hall Sensor code for Robojax.com
#define DETECT 2 // pin 2 for  sensor
#define ACTION 8 // pin 8 for action to do someting


void setup() {
  Serial.begin(9600);
  Serial.println("Robojax.com Hall Module Test");
  pinMode(DETECT, INPUT);//define detect input pin
  pinMode(ACTION, OUTPUT);//define ACTION output pin
  // Flame sensor code for Robojax.com

}

void loop() {
     // Hall Sensor code for Robojax.com

  int detected = digitalRead(DETECT);// read Hall sensor
  int detectedAn = analogRead(A0);// read flame analog value

  if( detected == LOW)
  {
    digitalWrite(ACTION,HIGH);// set the buzzer ON
    Serial.println("Detected!");
   // Serial.println(detectedAn);// print analog value
  }else{
    digitalWrite(ACTION,LOW); // Set the buzzer OFF
    Serial.println("Nothing");
     // Hall Sensor code for Robojax.com

  }



  delay(200);
}

   

TTP223 Capacitive Touch Arduino with Relay Code with 5 seconds delay

 /*
 * This is the Arduino code for TTP223 Capacitive Touch switch with relay to turn AC or DC load with delay
 // December 13, 2017
 // Written for Robojax.com video 
 // Using TTP223 Touch module to turn AC (or DC) load ON and waits for 5 seconds before it goes OFF
 // When the touch pad is touched the ligh on the relay will on and the COM and PO pin will be connected
 * watch video for details https://youtu.be/YSI1PdSLbt0
 * 

 * 
 * Written by Ahmad Nejrabi for Roboja Video
 * Date: Dec 04, 2017, in Ajax, Ontario, Canada
 * Permission granted to share this code given that this
 * note is kept with the code.
 * Disclaimer: this code is "AS IS" and for educational purpose only.
 * 
 */

 // December 12, 2017
 // Written for Robojax.com video 
 // Using TTP223 Touch module to turn AC (or DC) load ON or OFF.
 // When the touch pad is touched the ligh on the relay will on and the COM and PO pin will be connected


int touchPin = 2;// connect output from TTP223 to this
int val = 0; 
int relayPin = 10;// Connected to relay
int wait = 5;// wait for 5 seconds


void setup() {
  Serial.begin(9600);
  pinMode(touchPin, INPUT); 
  pinMode(relayPin, OUTPUT);

}

void loop() {
  digitalWrite(relayPin, HIGH);
  val = digitalRead(touchPin); 
  if(val ==1){
    Serial.println("Touched");
    digitalWrite(relayPin, LOW);
    delay(wait*1000);
  }
  delay(100);
  Serial.println();
}


   

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