psychemist

void setup() {
    // open serial connection
    Serial.begin(9600);
}

void loop() {
    // send sensor value
    Serial.write(analogRead(A0) / 4);

    // let the ADC stabilize

psychemist

const int controlPin1 = 2;
const int controlPin2 = 3;
const int enablePin = 9;
const int directionSwitchPin = 4;
const int onOffSwitchStateSwitchPin = 5;
const int potentialPin = A0;

// create variables for recording program state
int onOffSwitchState = 0;
int previousOnOffSwitchState = 0;

psychemist

const int switchPin = 2;
const int motorPin = 9;
int switchState = 0;

void setup() {
    // declare pins' directions
    pinMode(switchPin, INPUT);
    pinMode(motorPin, OUTPUT);
}

psychemist

#include <CapacitiveSensor.h>
CapacitiveSensor capSensor = CapacitiveSensor(4, 2);

// set up lamp capacitance threshold
int threshold = 400000;
const int ledPin = 12;

void setup() {
    Serial.begin(9600);
    pinMode(ledPin, OUTPUT);

psychemist

#include <Servo.h>
Servo myServo;

// constant variables for input and output components
const int piezo = A0;
const int switchPin = 2;
const int redLED = 3;
const int yellowLED = 4;
const int greenLED = 5;

psychemist

// set up LiquidCrystal library
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

const int switchPin = 6;
int switchState = 0;
int prevSwitchState = 0;
int response;

void setup() {

psychemist

const int switchPin = 8;
unsigned long int prevTime = 0;
long interval = 300000;
int switchState = 0;
int prevSwitchState = 0;
int nextLED = 2;

void setup() {
    // set direction of digital pins
    for( int x = 2; x < 8; x++ ) {

psychemist

// set up array of 6 integers representing frequencies
int notes[] = [ 262, 294, 330, 349];

void setup() {
    // begin serial communnication
    Serial.begin(9600);
}

void loop() {
    // read analog value and send to serial monitor

psychemist

// create variables for calibrating the sensor
int sensorValue;
int sensorLow = 1023;
int sensorHigh = 0;

// create constant for calibration indicator at on-board LED connected to pin 13
const int ledPin = 13;

void setup() {
    // set digital pin direction and turn it high

psychemist

// import Servo library
#include <Servo.h>

// create Servo object from library
Servo myServo;

// declare variables for potentiometer pin, analog input value and servo angle
int const potPin = A0;
int potVal;
int angle;