serial comm class exercises

Exercise 1 :

p5js

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let serial; // variable to hold an instance of the serialport library
let portName = "/dev/tty.usbmodem101"; // fill in your serial port name here
let yPos;
let onOff=0;
let xPos = 0;
function setup() {
createCanvas(640, 480);
serial = new p5.SerialPort(); // make a new instance of the serialport library
serial.on("list", printList); // set a callback function for the serialport list event
serial.on("connected", serverConnected); // callback for connecting to the server
serial.on("open", portOpen); // callback for the port opening
serial.on("data", serialEvent); // callback for when new data arrives
serial.on("error", serialError); // callback for errors
serial.on("close", portClose); // callback for the port closing
serial.list(); // list the serial ports
serial.open(portName); // open a serial port
yPos=height/2;
}
function draw() {
background(255);
ellipse(xPos, yPos, 50, 50); // draw the circle
if (mouseIsPressed){
if(mouseX<=width/2)
onOff=1;
else
onOff=2;
}else{
onOff=0;
}
}
// get the list of ports:
function printList(portList) {
// portList is an array of serial port names
for (let i = 0; i < portList.length; i++) {
// Display the list the console:
print(i + " " + portList[i]);
}
}
function serverConnected() {
print("connected to server.");
}
function portOpen() {
print("the serial port opened.");
}
function serialEvent() {
// read a string from the serial port
// until you get carriage return and newline:
let inString = serial.readLine();
//check to see that there's actually a string there:
if (inString.length > 0) {
let inVal = parseInt(inString)
xPos = map(inVal, 1023, 0, 0, width)
}
serial.write(onOff);
}
function serialError(err) {
print("Something went wrong with the serial port. " + err);
}
function portClose() {
print("The serial port closed.");
}
/* ARDUINO CODE
void setup() {
Serial.begin(9600);
pinMode(2, OUTPUT);
pinMode(5, OUTPUT);
while (Serial.available() <= 0) {
Serial.println("0,0"); // send a starting message
delay(300); // wait 1/3 second
}
}
void loop() {
while (Serial.available() > 0) {
// read the incoming byte:
int inByte = Serial.read();
switch (inByte) {
case 0:
digitalWrite(2, LOW);
digitalWrite(5, LOW);
break;
case 1:
digitalWrite(2, HIGH);
break;
case 2:
digitalWrite(5, HIGH);
break;
}
int sensorValue = analogRead(A0);
Serial.print(sensorValue);
Serial.print(",");
sensorValue = analogRead(A1);
Serial.print(sensorValue);
Serial.println();
}
}
*/
let serial; // variable to hold an instance of the serialport library let portName = "/dev/tty.usbmodem101"; // fill in your serial port name here let yPos; let onOff=0; let xPos = 0; function setup() { createCanvas(640, 480); serial = new p5.SerialPort(); // make a new instance of the serialport library serial.on("list", printList); // set a callback function for the serialport list event serial.on("connected", serverConnected); // callback for connecting to the server serial.on("open", portOpen); // callback for the port opening serial.on("data", serialEvent); // callback for when new data arrives serial.on("error", serialError); // callback for errors serial.on("close", portClose); // callback for the port closing serial.list(); // list the serial ports serial.open(portName); // open a serial port yPos=height/2; } function draw() { background(255); ellipse(xPos, yPos, 50, 50); // draw the circle if (mouseIsPressed){ if(mouseX<=width/2) onOff=1; else onOff=2; }else{ onOff=0; } } // get the list of ports: function printList(portList) { // portList is an array of serial port names for (let i = 0; i < portList.length; i++) { // Display the list the console: print(i + " " + portList[i]); } } function serverConnected() { print("connected to server."); } function portOpen() { print("the serial port opened."); } function serialEvent() { // read a string from the serial port // until you get carriage return and newline: let inString = serial.readLine(); //check to see that there's actually a string there: if (inString.length > 0) { let inVal = parseInt(inString) xPos = map(inVal, 1023, 0, 0, width) } serial.write(onOff); } function serialError(err) { print("Something went wrong with the serial port. " + err); } function portClose() { print("The serial port closed."); } /* ARDUINO CODE void setup() { Serial.begin(9600); pinMode(2, OUTPUT); pinMode(5, OUTPUT); while (Serial.available() <= 0) { Serial.println("0,0"); // send a starting message delay(300); // wait 1/3 second } } void loop() { while (Serial.available() > 0) { // read the incoming byte: int inByte = Serial.read(); switch (inByte) { case 0: digitalWrite(2, LOW); digitalWrite(5, LOW); break; case 1: digitalWrite(2, HIGH); break; case 2: digitalWrite(5, HIGH); break; } int sensorValue = analogRead(A0); Serial.print(sensorValue); Serial.print(","); sensorValue = analogRead(A1); Serial.print(sensorValue); Serial.println(); } } */
let serial; // variable to hold an instance of the serialport library
let portName = "/dev/tty.usbmodem101"; // fill in your serial port name here
let yPos;
let onOff=0;
let xPos = 0;

function setup() {
  createCanvas(640, 480);
  serial = new p5.SerialPort(); // make a new instance of the serialport library
  serial.on("list", printList); // set a callback function for the serialport list event
  serial.on("connected", serverConnected); // callback for connecting to the server
  serial.on("open", portOpen); // callback for the port opening
  serial.on("data", serialEvent); // callback for when new data arrives
  serial.on("error", serialError); // callback for errors
  serial.on("close", portClose); // callback for the port closing

  serial.list(); // list the serial ports
  serial.open(portName); // open a serial port
  yPos=height/2;
}

function draw() {
  background(255);
  ellipse(xPos, yPos, 50, 50); // draw the circle
  if (mouseIsPressed){
    if(mouseX<=width/2)
      onOff=1;
    else
      onOff=2;
  }else{
    onOff=0;
  }
}

// get the list of ports:
function printList(portList) {
  // portList is an array of serial port names
  for (let i = 0; i < portList.length; i++) {
    // Display the list the console:
    print(i + " " + portList[i]);
  }
}

function serverConnected() {
  print("connected to server.");
}

function portOpen() {
  print("the serial port opened.");
}

function serialEvent() {
  // read a string from the serial port
  // until you get carriage return and newline:
  let inString = serial.readLine();
  //check to see that there's actually a string there:
  if (inString.length > 0) {
    let inVal = parseInt(inString)
    xPos = map(inVal, 1023, 0, 0, width)
  }

  serial.write(onOff);
}

function serialError(err) {
  print("Something went wrong with the serial port. " + err);
}

function portClose() {
  print("The serial port closed.");
}

/* ARDUINO CODE

void setup() {
  Serial.begin(9600);
  pinMode(2, OUTPUT);
  pinMode(5, OUTPUT);
  while (Serial.available() <= 0) {
    Serial.println("0,0"); // send a starting message
    delay(300);              // wait 1/3 second
  }
}
void loop() {
  while (Serial.available() > 0) {
    // read the incoming byte:
   int inByte = Serial.read();
    switch (inByte) {
      case 0:
        digitalWrite(2, LOW);
        digitalWrite(5, LOW);
        break;
      case 1:
        digitalWrite(2, HIGH);
        break;
      case 2:
        digitalWrite(5, HIGH);
        break;
    }
    int sensorValue = analogRead(A0);
    Serial.print(sensorValue);
    Serial.print(",");
    sensorValue = analogRead(A1);
    Serial.print(sensorValue);
    Serial.println();
  }
}

*/

Arduino

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void setup() {
Serial.begin(9600);
while (Serial.available() <= 0) {
Serial.println("0"); // send a starting message
delay(300); // wait 1/3 second
}
}
void loop() {
while (Serial.available() > 0) {
// read the incoming byte:
int inByte = Serial.read();
int sensorValue = analogRead(A0);
Serial.print(sensorValue);
Serial.println();
}
}
void setup() { Serial.begin(9600); while (Serial.available() <= 0) { Serial.println("0"); // send a starting message delay(300); // wait 1/3 second } } void loop() { while (Serial.available() > 0) { // read the incoming byte: int inByte = Serial.read(); int sensorValue = analogRead(A0); Serial.print(sensorValue); Serial.println(); } }
void setup() {
  Serial.begin(9600);
  while (Serial.available() <= 0) {
    Serial.println("0"); // send a starting message
    delay(300);              // wait 1/3 second
  }
}
void loop() {
  while (Serial.available() > 0) {
    // read the incoming byte:
    int inByte = Serial.read();
    int sensorValue = analogRead(A0);
    Serial.print(sensorValue);
    Serial.println();
  }
}

Exercise 2:

p5js

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let serial; // variable to hold an instance of the serialport library
let portName = "/dev/tty.usbmodem101"; // fill in your serial port name here
let yPos;
let onOff=0;
let xPos = 0;
let outVal = 0;
function setup() {
createCanvas(640, 480);
serial = new p5.SerialPort(); // make a new instance of the serialport library
serial.on("list", printList); // set a callback function for the serialport list event
serial.on("connected", serverConnected); // callback for connecting to the server
serial.on("open", portOpen); // callback for the port opening
serial.on("data", serialEvent); // callback for when new data arrives
serial.on("error", serialError); // callback for errors
serial.on("close", portClose); // callback for the port closing
serial.list(); // list the serial ports
serial.open(portName); // open a serial port
yPos=height/2;
}
function keyReleased() {
if (keyCode === LEFT_ARROW) {
outVal = max(outVal - 10, 0) ;
} else if(keyCode === RIGHT_ARROW) {
outVal = min(outVal+10, 255);
}
return false;
}
function draw() {
background(255);
ellipse(xPos, yPos, 50, 50); // draw the circle
if (mouseIsPressed){
if(mouseX<=width/2)
onOff=1;
else
onOff=2;
}else{
onOff=0;
}
}
// get the list of ports:
function printList(portList) {
// portList is an array of serial port names
for (let i = 0; i < portList.length; i++) {
// Display the list the console:
print(i + " " + portList[i]);
}
}
function serverConnected() {
print("connected to server.");
}
function portOpen() {
print("the serial port opened.");
}
function serialEvent() {
// read a string from the serial port
// until you get carriage return and newline:
let inString = serial.readLine();
serial.write(outVal);
}
function serialError(err) {
print("Something went wrong with the serial port. " + err);
}
function portClose() {
print("The serial port closed.");
}
/* ARDUINO CODE
void setup() {
Serial.begin(9600);
pinMode(2, OUTPUT);
pinMode(5, OUTPUT);
while (Serial.available() <= 0) {
Serial.println("0,0"); // send a starting message
delay(300); // wait 1/3 second
}
}
void loop() {
while (Serial.available() > 0) {
// read the incoming byte:
int inByte = Serial.read();
switch (inByte) {
case 0:
digitalWrite(2, LOW);
digitalWrite(5, LOW);
break;
case 1:
digitalWrite(2, HIGH);
break;
case 2:
digitalWrite(5, HIGH);
break;
}
int sensorValue = analogRead(A0);
Serial.print(sensorValue);
Serial.print(",");
sensorValue = analogRead(A1);
Serial.print(sensorValue);
Serial.println();
}
}
*/
let serial; // variable to hold an instance of the serialport library let portName = "/dev/tty.usbmodem101"; // fill in your serial port name here let yPos; let onOff=0; let xPos = 0; let outVal = 0; function setup() { createCanvas(640, 480); serial = new p5.SerialPort(); // make a new instance of the serialport library serial.on("list", printList); // set a callback function for the serialport list event serial.on("connected", serverConnected); // callback for connecting to the server serial.on("open", portOpen); // callback for the port opening serial.on("data", serialEvent); // callback for when new data arrives serial.on("error", serialError); // callback for errors serial.on("close", portClose); // callback for the port closing serial.list(); // list the serial ports serial.open(portName); // open a serial port yPos=height/2; } function keyReleased() { if (keyCode === LEFT_ARROW) { outVal = max(outVal - 10, 0) ; } else if(keyCode === RIGHT_ARROW) { outVal = min(outVal+10, 255); } return false; } function draw() { background(255); ellipse(xPos, yPos, 50, 50); // draw the circle if (mouseIsPressed){ if(mouseX<=width/2) onOff=1; else onOff=2; }else{ onOff=0; } } // get the list of ports: function printList(portList) { // portList is an array of serial port names for (let i = 0; i < portList.length; i++) { // Display the list the console: print(i + " " + portList[i]); } } function serverConnected() { print("connected to server."); } function portOpen() { print("the serial port opened."); } function serialEvent() { // read a string from the serial port // until you get carriage return and newline: let inString = serial.readLine(); serial.write(outVal); } function serialError(err) { print("Something went wrong with the serial port. " + err); } function portClose() { print("The serial port closed."); } /* ARDUINO CODE void setup() { Serial.begin(9600); pinMode(2, OUTPUT); pinMode(5, OUTPUT); while (Serial.available() <= 0) { Serial.println("0,0"); // send a starting message delay(300); // wait 1/3 second } } void loop() { while (Serial.available() > 0) { // read the incoming byte: int inByte = Serial.read(); switch (inByte) { case 0: digitalWrite(2, LOW); digitalWrite(5, LOW); break; case 1: digitalWrite(2, HIGH); break; case 2: digitalWrite(5, HIGH); break; } int sensorValue = analogRead(A0); Serial.print(sensorValue); Serial.print(","); sensorValue = analogRead(A1); Serial.print(sensorValue); Serial.println(); } } */
let serial; // variable to hold an instance of the serialport library
let portName = "/dev/tty.usbmodem101"; // fill in your serial port name here
let yPos;
let onOff=0;
let xPos = 0;
let outVal = 0;

function setup() {
  createCanvas(640, 480);
  serial = new p5.SerialPort(); // make a new instance of the serialport library
  serial.on("list", printList); // set a callback function for the serialport list event
  serial.on("connected", serverConnected); // callback for connecting to the server
  serial.on("open", portOpen); // callback for the port opening
  serial.on("data", serialEvent); // callback for when new data arrives
  serial.on("error", serialError); // callback for errors
  serial.on("close", portClose); // callback for the port closing

  serial.list(); // list the serial ports
  serial.open(portName); // open a serial port
  yPos=height/2;
}

function keyReleased() {
  if (keyCode === LEFT_ARROW) {
    outVal = max(outVal - 10, 0) ;
  } else if(keyCode === RIGHT_ARROW) {
    outVal = min(outVal+10, 255);
  }
  return false;
}

function draw() {
  background(255);
  ellipse(xPos, yPos, 50, 50); // draw the circle
  if (mouseIsPressed){
    if(mouseX<=width/2)
      onOff=1;
    else
      onOff=2;
  }else{
    onOff=0;
  }
}

// get the list of ports:
function printList(portList) {
  // portList is an array of serial port names
  for (let i = 0; i < portList.length; i++) {
    // Display the list the console:
    print(i + " " + portList[i]);
  }
}

function serverConnected() {
  print("connected to server.");
}

function portOpen() {
  print("the serial port opened.");
}

function serialEvent() {
  // read a string from the serial port
  // until you get carriage return and newline:
  let inString = serial.readLine();
  serial.write(outVal);
}

function serialError(err) {
  print("Something went wrong with the serial port. " + err);
}

function portClose() {
  print("The serial port closed.");
}

/* ARDUINO CODE

void setup() {
  Serial.begin(9600);
  pinMode(2, OUTPUT);
  pinMode(5, OUTPUT);
  while (Serial.available() <= 0) {
    Serial.println("0,0"); // send a starting message
    delay(300);              // wait 1/3 second
  }
}
void loop() {
  while (Serial.available() > 0) {
    // read the incoming byte:
   int inByte = Serial.read();
    switch (inByte) {
      case 0:
        digitalWrite(2, LOW);
        digitalWrite(5, LOW);
        break;
      case 1:
        digitalWrite(2, HIGH);
        break;
      case 2:
        digitalWrite(5, HIGH);
        break;
    }
    int sensorValue = analogRead(A0);
    Serial.print(sensorValue);
    Serial.print(",");
    sensorValue = analogRead(A1);
    Serial.print(sensorValue);
    Serial.println();
  }
}

*/

Arduino

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void setup() {
Serial.begin(9600);
while (Serial.available() <= 0) {
Serial.println("0"); // send a starting message
delay(300); // wait 1/3 second
}
}
void loop() {
while (Serial.available() > 0) {
// read the incoming byte:
int inByte = Serial.read();
analogWrite(3, inByte);
Serial.print("ye");
Serial.println();
}
}
void setup() { Serial.begin(9600); while (Serial.available() <= 0) { Serial.println("0"); // send a starting message delay(300); // wait 1/3 second } } void loop() { while (Serial.available() > 0) { // read the incoming byte: int inByte = Serial.read(); analogWrite(3, inByte); Serial.print("ye"); Serial.println(); } }
void setup() {
  Serial.begin(9600);
  while (Serial.available() <= 0) {
    Serial.println("0"); // send a starting message
    delay(300);              // wait 1/3 second
  }
}
void loop() {
  while (Serial.available() > 0) {
    // read the incoming byte:
    int inByte = Serial.read();
    analogWrite(3, inByte);
    Serial.print("ye");
    Serial.println();
  }
}

Exercise 3:

p5js

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let serial; // variable to hold an instance of the serialport library
let portName = "/dev/tty.usbmodem14201"; // fill in your serial port name here
let velocity;
let gravity;
let position;
let acceleration;
let wind;
let drag = 0.99;
let mass = 50;
let hDampening;
let inVal = 0;
let outVal = 0;
function setup() {
createCanvas(640, 360);
noFill();
position = createVector(width/2, 0);
velocity = createVector(0,0);
acceleration = createVector(0,0);
gravity = createVector(0, 0.5*mass);
wind = createVector(0,0);
hDampening=map(mass,15,80,.98,.96);
serial = new p5.SerialPort(); // make a new instance of the serialport library
serial.on("list", printList); // set a callback function for the serialport list event
serial.on("connected", serverConnected); // callback for connecting to the server
serial.on("open", portOpen); // callback for the port opening
serial.on("data", serialEvent); // callback for when new data arrives
serial.on("error", serialError); // callback for errors
serial.on("close", portClose); // callback for the port closing
serial.list(); // list the serial ports
serial.open(portName); // open a serial port
}
function draw() {
background(255);
if (!keyPressed){
wind.x=0;
velocity.x*=hDampening;
}
applyForce(wind);
applyForce(gravity);
velocity.add(acceleration);
velocity.mult(drag);
position.add(velocity);
acceleration.mult(0);
ellipse(position.x,position.y,mass,mass);
if (position.y > height-mass/2) {
velocity.y *= -0.9; // A little dampening when hitting the bottom
position.y = height-mass/2;
}
outVal = position.y >= height-mass/2-5 ? 255 : 0;
wind.x = map(inVal, 0, 1023, -5, 5)*hDampening;
}
function applyForce(force){
// Newton's 2nd law: F = M * A
// or A = F / M
let f = p5.Vector.div(force, mass);
acceleration.add(f);
}
function keyPressed(){
if (key==' '){
mass=random(15,80);
position.y=-mass;
velocity.mult(0);
}
}
function printList(portList) {
// portList is an array of serial port names
for (let i = 0; i < portList.length; i++) {
// Display the list the console:
print(i + " " + portList[i]);
}
}
function serverConnected() {
print("connected to server.");
}
function portOpen() {
print("the serial port opened.");
}
function serialEvent() {
// read a string from the serial port
// until you get carriage return and newline:
let inString = serial.readLine();
inVal = parseInt(inString);
serial.write(outVal);
}
function serialError(err) {
print("Something went wrong with the serial port. " + err);
}
function portClose() {
print("The serial port closed.");
}
let serial; // variable to hold an instance of the serialport library let portName = "/dev/tty.usbmodem14201"; // fill in your serial port name here let velocity; let gravity; let position; let acceleration; let wind; let drag = 0.99; let mass = 50; let hDampening; let inVal = 0; let outVal = 0; function setup() { createCanvas(640, 360); noFill(); position = createVector(width/2, 0); velocity = createVector(0,0); acceleration = createVector(0,0); gravity = createVector(0, 0.5*mass); wind = createVector(0,0); hDampening=map(mass,15,80,.98,.96); serial = new p5.SerialPort(); // make a new instance of the serialport library serial.on("list", printList); // set a callback function for the serialport list event serial.on("connected", serverConnected); // callback for connecting to the server serial.on("open", portOpen); // callback for the port opening serial.on("data", serialEvent); // callback for when new data arrives serial.on("error", serialError); // callback for errors serial.on("close", portClose); // callback for the port closing serial.list(); // list the serial ports serial.open(portName); // open a serial port } function draw() { background(255); if (!keyPressed){ wind.x=0; velocity.x*=hDampening; } applyForce(wind); applyForce(gravity); velocity.add(acceleration); velocity.mult(drag); position.add(velocity); acceleration.mult(0); ellipse(position.x,position.y,mass,mass); if (position.y > height-mass/2) { velocity.y *= -0.9; // A little dampening when hitting the bottom position.y = height-mass/2; } outVal = position.y >= height-mass/2-5 ? 255 : 0; wind.x = map(inVal, 0, 1023, -5, 5)*hDampening; } function applyForce(force){ // Newton's 2nd law: F = M * A // or A = F / M let f = p5.Vector.div(force, mass); acceleration.add(f); } function keyPressed(){ if (key==' '){ mass=random(15,80); position.y=-mass; velocity.mult(0); } } function printList(portList) { // portList is an array of serial port names for (let i = 0; i < portList.length; i++) { // Display the list the console: print(i + " " + portList[i]); } } function serverConnected() { print("connected to server."); } function portOpen() { print("the serial port opened."); } function serialEvent() { // read a string from the serial port // until you get carriage return and newline: let inString = serial.readLine(); inVal = parseInt(inString); serial.write(outVal); } function serialError(err) { print("Something went wrong with the serial port. " + err); } function portClose() { print("The serial port closed."); }
let serial; // variable to hold an instance of the serialport library
let portName = "/dev/tty.usbmodem14201"; // fill in your serial port name here
let velocity;
let gravity;
let position;
let acceleration;
let wind;
let drag = 0.99;
let mass = 50;
let hDampening;
let inVal = 0;
let outVal = 0;

function setup() {
  createCanvas(640, 360);
  noFill();
  position = createVector(width/2, 0);
  velocity = createVector(0,0);
  acceleration = createVector(0,0);
  gravity = createVector(0, 0.5*mass);
  wind = createVector(0,0);
  hDampening=map(mass,15,80,.98,.96);
  serial = new p5.SerialPort(); // make a new instance of the serialport library
  serial.on("list", printList); // set a callback function for the serialport list event
  serial.on("connected", serverConnected); // callback for connecting to the server
  serial.on("open", portOpen); // callback for the port opening
  serial.on("data", serialEvent); // callback for when new data arrives
  serial.on("error", serialError); // callback for errors
  serial.on("close", portClose); // callback for the port closing
    serial.list(); // list the serial ports
  serial.open(portName); // open a serial port
}

function draw() {
  background(255);
  if (!keyPressed){
    wind.x=0;
    velocity.x*=hDampening;
  }
  applyForce(wind);
  applyForce(gravity);
  velocity.add(acceleration);
  velocity.mult(drag);
  position.add(velocity);
  acceleration.mult(0);
  ellipse(position.x,position.y,mass,mass);
  if (position.y > height-mass/2) {
      velocity.y *= -0.9;  // A little dampening when hitting the bottom
      position.y = height-mass/2;
    }
 outVal = position.y >= height-mass/2-5 ? 255 : 0;
 wind.x = map(inVal, 0, 1023, -5, 5)*hDampening;
}

function applyForce(force){
  // Newton's 2nd law: F = M * A
  // or A = F / M
  let f = p5.Vector.div(force, mass);
  acceleration.add(f);
}

function keyPressed(){
  if (key==' '){
    mass=random(15,80);
    position.y=-mass;
    velocity.mult(0);
  }
}





function printList(portList) {
  // portList is an array of serial port names
  for (let i = 0; i < portList.length; i++) {
    // Display the list the console:
    print(i + " " + portList[i]);
  }
}

function serverConnected() {
  print("connected to server.");
}

function portOpen() {
  print("the serial port opened.");
}

function serialEvent() {
  // read a string from the serial port
  // until you get carriage return and newline:
  let inString = serial.readLine();
  inVal = parseInt(inString);
  serial.write(outVal);
}

function serialError(err) {
  print("Something went wrong with the serial port. " + err);
}

function portClose() {
  print("The serial port closed.");
}

Arduino

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void setup() {
Serial.begin(9600);
while (Serial.available() <= 0) {
Serial.println("0"); // send a starting message
delay(300); // wait 1/3 second
}
}
void loop() {
while (Serial.available() > 0) {
// read the incoming byte:
int inByte = Serial.read();
analogWrite(3, inByte);
int sensorValue = analogRead(A0);
Serial.print(sensorValue);
Serial.println();
}
}
void setup() { Serial.begin(9600); while (Serial.available() <= 0) { Serial.println("0"); // send a starting message delay(300); // wait 1/3 second } } void loop() { while (Serial.available() > 0) { // read the incoming byte: int inByte = Serial.read(); analogWrite(3, inByte); int sensorValue = analogRead(A0); Serial.print(sensorValue); Serial.println(); } }
void setup() {
  Serial.begin(9600);
  while (Serial.available() <= 0) {
    Serial.println("0"); // send a starting message
    delay(300);              // wait 1/3 second
  }
}
void loop() {
  while (Serial.available() > 0) {
    // read the incoming byte:
    int inByte = Serial.read();
    analogWrite(3, inByte);
    int sensorValue = analogRead(A0);
    Serial.print(sensorValue);
    Serial.println();
  }
}

 

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