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라즈베리파이 온도습도 센서

arduino_2020. 5. 18. 22:36 
import time
import Adafruit_DHT

class Temp():

    def __init__(self):
        self.temperPin = 4 
        self.sensor = Adafruit_DHT.DHT11
    
    def getMyRoomTemp(self):

        try:
            # 
            # =================================================================
            while True:
                
                h, t = Adafruit_DHT.read_retry (self.sensor,self.temperPin)
                
                if h is not None and t is not None:
                    print("Temperature = {0:0.1f}*C  Humidity = {1:0.1f}%".format(t, h))

                else:
                    print("Read Error !!")
                time.sleep(100)
            # =================================================================
            #
        except KeyboardInterrupt as e:
            print(e)

        finally:
            print("end")


if __name__ == "__main__":
    o = Temp()
    o.getMyRoomTemp()

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라즈베리파이 led

arduino_2020. 5. 18. 22:30 
from RPi import GPIO
import time


class LED():
    
    def __init__(self):
        
        GPIO.setmode(GPIO.BOARD) 
        self.ledRed = 11

    def pinSetup(self):
        
        GPIO.setup(self.ledRed, GPIO.OUT, initial=GPIO.LOW)
    
    def pinOn(self):
        
        try:

            while True:
                
                try:
                    # ===================
                    # led on !!
                    # ===================
                    GPIO.output (self.ledRed, GPIO.HIGH)
                except:
                    print("led on error !!")
                    beak
                else:
                    time.sleep(0.5)
                    print("redPing on!!")
                
                try:
                    # ===================
                    # led off !!
                    # ===================
                    GPIO.output (self.ledRed, GPIO.LOW)
                except:
                    print("led off error !!")
                    break
                else:
                    time.sleep(0.5)
                    print("redPing off!!")

        except KeyboardInterrupt as e:
            print(e)
            pass 
        
        GPIO.cleanup()

        print("cleanup !!")


############################
# program main function
# writer : JunHyeon.kim
############################
if __name__ == "__main__":
    
    o = LED()
    o.pinSetup()
    o.pinOn()

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four led ver2

arduino_2017. 10. 10. 17:28


const int RedPin    = 13;

const int BluePin   = 12;

const int YellowPin = 11;

const int GreenPin  = 10;

void setup() {

  // put your setup code here, to run once:

  pinMode(RedPin, OUTPUT);

  pinMode(BluePin, OUTPUT);

  pinMode(YellowPin, OUTPUT);

  pinMode(GreenPin, OUTPUT);

  Serial.begin(9600);

}


void loop() {

  // put your main code here, to run repeatedly:

  digitalWrite(13, LOW);

  digitalWrite(12, LOW);

  digitalWrite(11, LOW);

  digitalWrite(10, LOW);

  

  digitalWrite(13, HIGH);

  delay(100);

  digitalWrite(13, LOW);

  

  digitalWrite(10, HIGH);

  delay(100);

  digitalWrite(10, LOW);


  digitalWrite(12, HIGH);

  delay(100);

  digitalWrite(12, LOW);

  

  digitalWrite(11, HIGH);

  delay(100);

  digitalWrite(11, LOW);


  digitalWrite(11, HIGH);

  delay(100);

  digitalWrite(11, LOW);

  

  digitalWrite(12, HIGH);

  delay(100);

  digitalWrite(12, LOW);


  digitalWrite(10, HIGH);

  delay(100);

  digitalWrite(10, LOW);

  

  digitalWrite(13, HIGH);

  delay(100);

  digitalWrite(13, LOW);

}

저작자표시 비영리 변경금지

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LED _VER2 FOUR

arduino_2017. 10. 10. 17:22

const int RedPin    = 13;

const int BluePin   = 12;

const int YellowPin = 11;

const int GreenPin  = 10;

void setup() {

  // put your setup code here, to run once:

  pinMode(RedPin, OUTPUT);

  pinMode(BluePin, OUTPUT);

  pinMode(YellowPin, OUTPUT);

  pinMode(GreenPin, OUTPUT);

  Serial.begin(9600);

}


void loop() {

  // put your main code here, to run repeatedly:

  digitalWrite(13, LOW);

  digitalWrite(12, LOW);

  digitalWrite(11, LOW);

  digitalWrite(10, LOW);

  

  digitalWrite(13, HIGH);

  delay(100);

  digitalWrite(13, LOW);

  

  digitalWrite(10, HIGH);

  delay(100);

  digitalWrite(10, LOW);


  digitalWrite(12, HIGH);

  delay(100);

  digitalWrite(12, LOW);

  

  digitalWrite(11, HIGH);

  delay(100);

  digitalWrite(11, LOW);

}

저작자표시 비영리 변경금지

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four led

arduino_2017. 10. 10. 17:16



const int RedPin    = 13;

const int BluePin   = 12;

const int YellowPin = 11;

const int GreenPin  = 10;

void setup() {

  // put your setup code here, to run once:

  pinMode(RedPin, OUTPUT);

  pinMode(BluePin, OUTPUT);

  pinMode(YellowPin, OUTPUT);

  pinMode(GreenPin, OUTPUT);

  Serial.begin(9600);

}


void loop() {

  // put your main code here, to run repeatedly:

  for (int i = 0; i < 10; i++)

  {

    if (i%2 == 0)

    {

      digitalWrite(11, LOW); // YellowPin

      digitalWrite(13, LOW); // RedPin

      digitalWrite(10, HIGH); // GreenPin

      digitalWrite(12, HIGH); // BluePin

      delay(1000); // 1 seconds 

    }

    else

    {

      digitalWrite(10, LOW); // YellowPin

      digitalWrite(12, LOW); // RedPin

      digitalWrite(11, HIGH); // GreenPin

      digitalWrite(13, HIGH); // BluePin

      delay(1000); // 1 seconds 

    }

  }

}

저작자표시 비영리 변경금지

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sds011 - 먼지 센서

arduino_2017. 9. 21. 20:44

참고 사이트 : http://brtech.tistory.com/52



# include <SDS011.h>

float data1 = 0.0;

float data2 = 0.0;

int error;

SDS011 my_sds;

void setup() {

  // put your setup code here, to run once:

  my_sds.begin(6,7); // RXD, TXD

  Serial.begin(9600);

  Serial.println("Initialized complete");

}


void loop() {

  // put your main code here, to run repeatedly:

  error = my_sds.read(&data1, &data2);

  if(!error) {

    Serial.println("data1: " + String(data1));

    Serial.println("data2: " + String(data2));

  }

  delay(1000); // 1 seconds

}

저작자표시 비영리 변경금지

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데이터 사이즈

arduino_2017. 9. 21. 17:10

void setup() {

  // 프로그램이 처음 실행될 때 한번만 실행

  Serial.begin(9600);

}


void loop() {

  // 프로그램이 실행되는 동안 반본적으로 호출

  Serial.println("boolean : " + String(sizeof(boolean)));

  Serial.println("char    : " + String(sizeof(char)));

  Serial.println("byte    : " + String(sizeof(byte)));

  Serial.println("int     : " + String(sizeof(int)));

  Serial.println("word    : " + String(sizeof(word)));

  Serial.println("long    : " + String(sizeof(long)));

  Serial.println("short   : " + String(sizeof(short)));

  Serial.println("float   : " + String(sizeof(float)));

  Serial.println("double  : " + String(sizeof(double)));


  while (1);

}

저작자표시 비영리 변경금지

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10개만 출력

arduino_2016. 3. 26. 14:40

int result = 0;

void setup() {

  // put your setup code here, to run once:

  Serial.begin(9600);

  randomSeed(analogRead(0));

}


void loop() {

  // put your main code here, to run repeatedly:

  

  if(result == 0){

   int i;

   for(i=1; i<=10; i++){

    delay(1000);

    Serial.println( random(66,100));

   }

   result+=1;

  }

}

저작자표시 비영리 변경금지

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illumination_sensor (조도센서)

arduino_2016. 2. 13. 20:34

방에 불을 끄면 어두워서 --> led On


const int led_yellow_pin        = 13;
const int illumination_sensor = A0;
int value;
void setup() {
  // put your setup code here, to run once:
  pinMode(led_yellow_pin, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  value = analogRead(illumination_sensor);
  Serial.println(value);
  if ( value < 100) {
    digitalWrite(led_yellow_pin, HIGH);
  } else {
    digitalWrite(led_yellow_pin, LOW);
  }
 }





저작자표시 비영리 변경금지

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아놀로그 핀 디지털 핀으로 대체 가능함

arduino_2016. 2. 13. 18:14

//----------------------------------------
const int ultra1_trig_PLUS_pin = 13;
const int ultra1_echo_PLUS_pin = 12;
const int ultra2_trig_SUB_pin = A0;
const int ultra2_echo_SUB_pin = A1;
int number = 0;
//----------------------------------------
void setup() {
  // put your setup code here, to run once:
  // $  ultra1_ $
  pinMode(ultra1_trig_PLUS_pin,  OUTPUT);  // pinNumber: 13
  pinMode(ultra1_echo_PLUS_pin,   INPUT); // pinNumber:  12

  // $ ultra2_ $
  pinMode(ultra2_trig_SUB_pin, OUTPUT); // pinNumber: A0
  pinMode(ultra2_echo_SUB_pin,   INPUT); // pinNumber: A1

  //
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  // $  ULTRA1 ----------------------------------------------------------------
  digitalWrite(ultra1_trig_PLUS_pin, LOW);
  delayMicroseconds(2);
  digitalWrite(ultra1_trig_PLUS_pin, HIGH);
  delayMicroseconds(10);
  digitalWrite(ultra1_trig_PLUS_pin, LOW);
  long distance_plus = pulseIn(ultra1_echo_PLUS_pin, HIGH)/58.2;
 
  //$ ULTRA2  ----------------------------------------------------------------
  digitalWrite(ultra2_trig_SUB_pin, LOW);
  delayMicroseconds(2);
  digitalWrite(ultra2_trig_SUB_pin, HIGH);
  delayMicroseconds(10);
  digitalWrite(ultra2_trig_SUB_pin, LOW);
  long distance_sub = pulseIn(ultra2_echo_SUB_pin, HIGH)/58.2;

 
  if (distance_plus < 10) {
    Serial.print("distance_plus -> ");
    Serial.print(distance_plus);
    Serial.println(" cm");
    number++;
    Serial.print("number is ");
    Serial.println(number);
  }  else  {  //distance_plus >= 10
    if (distance_sub < 10) {
      Serial.print("distance_sub -> ");
      Serial.print(distance_sub);
      Serial.println(" cm");
      number--;
      Serial.print("number is ");
      Serial.println(number);
    }
  }
}




저작자표시 비영리 변경금지

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