Created
February 3, 2015 16:46
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Safe, leds, speaker, sound sensor, ldr and temp/hum sensor
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#include <Firmata.h> | |
#include <Boards.h> | |
#include <math.h> | |
#include <DHT.h> | |
#define RED 12 | |
#define GREEN 13 | |
#define SOUND_SENSOR A4 | |
#define LIGHT_SENSOR 0 | |
#define DHTPIN A2 | |
#define DHTTYPE DHT11 | |
DHT dht(DHTPIN, DHTTYPE); | |
float lightSensor; | |
// the setup function runs once when you press reset or power the board | |
void setup() { | |
pinMode(RED, OUTPUT); | |
pinMode(GREEN, OUTPUT); | |
pinMode(SOUND_SENSOR, INPUT); | |
pinMode(LIGHT_SENSOR, INPUT); | |
Serial.begin(9600); | |
dht.begin(); | |
} | |
// the loop function runs over and over again forever | |
void loop() { | |
//tone(10, 440, 100); | |
digitalWrite(RED, HIGH); // turn the LED on (HIGH is the voltage level) | |
digitalWrite(GREEN, HIGH); // turn the LED on (HIGH is the voltage level) | |
delay(1000); // wait for a second | |
digitalWrite(RED, LOW); // turn the LED off by making the voltage LOW | |
digitalWrite(GREEN, LOW); // turn the LED off by making the voltage LOW | |
delay(1000); // wait for a second | |
float h = dht.readHumidity(); | |
float t = dht.readTemperature(); | |
// check if returns are valid, if they are NaN (not a number) then something went wrong! | |
if (isnan(t) || isnan(h)) { | |
Serial.println("Failed to read from DHT"); | |
} | |
else { | |
Serial.print("Humidity: "); | |
Serial.print(h); | |
Serial.print(" %\t"); | |
Serial.print("Temperature: "); | |
Serial.print(t); | |
Serial.println(" *C"); | |
} | |
int sensorValue = analogRead(LIGHT_SENSOR); | |
lightSensor = (float)(1023-sensorValue)*10/sensorValue; | |
Serial.print(sensorValue); | |
Serial.println(" light"); | |
int soundValue = analogRead (SOUND_SENSOR);//use A0 to read the electrical signal | |
Serial.print(soundValue); | |
Serial.println(" sound"); | |
} |
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