GMU:Designing Utopias: Theory and Practice/Jenny Soggia: Difference between revisions

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==[[The Magnetic Hall Sensor]]==


First tries without help


[[File:HallSensor.jpeg]] [[File:HallSensor2.jpeg]] [[File:HallSensorVideo.MOV]] [[File:HallSensorVideo1.MOV]]


*My mistake: used printing and reading Sensor value Code from class and connected the wires to adruino into the wrong places
*got noise and weird number readings
*but funny that it somehow worked with seeing differences in the numbers when putting the magnet closer to the sensor






Next I followed the instructions from Magnetic Hall sensor, thats put up on this MediaWiki


*int ledPin = 13;                // choose the pin for the LED
*int inputPin = 3;              // Connect sensor to input pin 3
*int val = 0;                    // variable for reading the pin status
void setup() {
  pinMode(ledPin, OUTPUT);      // declare LED as output
  pinMode(inputPin, INPUT);    // declare push button as input
}
void loop(){
  val = digitalRead(inputPin);  // read input value
  if (val == HIGH) {            // check if the input is HIGH
    digitalWrite(ledPin, LOW);  // turn LED OFF
  } else {
    digitalWrite(ledPin, HIGH); // turn LED ON
  }
}


[[File:HallSensor3.jpeg]] [[File:HallSensor4.jpeg]]


*Code was written correctly
 
*but nothing happend with the sensor (I hope I did not break it, while using the wrong code from before)
 
*noticed that there is no need for numbers to show up, the LED on the Sensor should have loght on and off.
 
*did not work
 
 
 
==[[The Magnetic Hall Sensor]]==

Revision as of 18:26, 25 January 2023