Day 5 rgb temp sensor and wave length







const int hot = 25; //set hot
const int cold = 23; //set cold
const int BLED=9;
const int GLED=10;
const int RLED=11;

int ledMode = 0;

void setup() {
pinMode(A0, INPUT); //sensor
pinMode(BLED, OUTPUT); //blue
pinMode(GLED, OUTPUT); //green
pinMode(RLED, OUTPUT); //red
Serial.begin(9600);
}

void loop() {
int sensor = analogRead(A0);
double voltage = (sensor / 1024.0) * 5.0;
double tempC = (voltage - .5) * 100;


if (tempC < cold) { //cold
digitalWrite(BLED,HIGH);
digitalWrite(GLED, LOW);
digitalWrite(RLED, LOW);

}
if (tempC >= hot) { //hot
  digitalWrite(RLED, HIGH);
digitalWrite(BLED, LOW);
digitalWrite(GLED, LOW);

}
else { //neutral
  digitalWrite(GLED, HIGH);
digitalWrite(BLED, LOW);
digitalWrite(RLED, LOW);
}
delay(10);

}



Comments

Post a Comment

Popular posts from this blog

pointers code no lb

#include <stdio.h> #include <string.h> #define MAX_SIZE 1000 #define FILENAME "DNAString1.txt" int main(void) { /* Declare and initialize variables. */ int count=0; char long_str[MAX_SIZE]; char short_str[MAX_SIZE]; FILE *DNA; DNA = fopen(FILENAME, "r"); if (DNA == NULL) printf("Error opening input file. \n"); else { fscanf(DNA,"%s",long_str); printf("Enter in short DNA string: \n"); scanf("%s",short_str); char *ptr1=long_str, *ptr2=short_str; int short_length = strlen(short_str); int long_length = strlen(long_str); if (short_length > long_length) printf("Error: Short string must be smaller than long string.\n"); else { printf("\nLong DNA String: %s \n", long_str); printf("Short DNA String: %s \n", short_str); while ((ptr1=strstr(ptr1,ptr2)) != NULL) { //printf("location of the string \n", ptr1, long_str); printf("location %i \n...
Read more

real time & EEPROM lab

// Date and time functions using a DS1307 RTC connected via I2C and Wire lib #include <Wire.h> #include "RTClib.h" RTC_DS1307 rtc; void setup () { Serial.begin(57600); if (! rtc.begin()) { Serial.println("Couldn't find RTC"); while (1); } rtc.adjust(DateTime(F(__DATE__), F(__TIME__))); // This line sets the RTC with an explicit date & time, for example to s // January 21, 2014 at 3am you would call: // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0)); } void loop () { DateTime now = rtc.now(); Serial.print(now.year(), DEC); Serial.print('/'); Serial.print(now.month(), DEC); Serial.print('/'); Serial.print(now.day(), DEC); Serial.print(" ("); Serial.print(now.hour(), DEC); Serial.print(':'); Serial.print(now.minute(), DEC); Serial.print(':'); Serial.print(now.second(), DEC); Serial.println(); delay(1000); } //////////////////////////////////////////////////////////////////////...
Read more

interrup and sound lab

//Use Hardware and Timer Interrupts for Fun with Sound //Include the TimerOne library #include <TimerOne.h> //Button pins const int BUTTON_INT =0; //Interrupt 0 (pin 2 on the Uno) const int SPEAKER =12; //Speaker on pin 12 //Music keys #define NOTE_C 65 #define NOTE_D 73 #define NOTE_E 82 #define NOTE_F 87 #define NOTE_G 98 #define NOTE_A 110 #define NOTE_B 123 //Volatile variables can change inside interrupts volatile int key = NOTE_C; volatile int octave_multiplier = 1; void setup() { //Set up serial Serial.begin(9600);  pinMode (SPEAKER, OUTPUT); //The pin is inverted, so we want to look at the rising edge attachInterrupt(BUTTON_INT, changeKey, RISING);  //Set up timer interrupt Timer1.initialize(500000); // (.5 seconds) Timer1.attachInterrupt(changePitch); //Runs "changePitch" on each                                      //timer interupt } v...
Read more