#include <LiquidCrystal_I2C.h>
#include <Servo.h>
#define LDR_PIN 2
//DHT
#include <dht.h>
#define dataPin 7
dht DHT;
//LDR Characteristics
const float GAMMA = 0.7;
const float RL10 = 50;
//servo
Servo myservo;
Servo myservo2;
//NTC
const float BETA = 3950;
//lcd 20x4 i2c
LiquidCrystal_I2C lcd(0x27, 20, 4);
//PIR and LCD
int ledPin = 3;
int ledPin2 = 2;
int inputPin = 4;
int pirState = LOW;
int val = 0;
//bargrah
const int ledCount = 10;
int ledPins[] = {
//31, 33, 35, 37, 39, 41, 43, 45, 47, 49
49, 47, 45, 43, 41, 39, 37, 35, 33, 31
};
void setup() {
//LCD
lcd.begin(16, 2);
lcd.init();
lcd.backlight();
pinMode(LDR_PIN, INPUT);
//servo
myservo.attach(6);
myservo2.attach(8);
//buzzer
pinMode(5, OUTPUT);
Serial.begin(9600);
//LED and PIR set up
lcd.init();
pinMode(ledPin, OUTPUT);
pinMode(ledPin2, OUTPUT);
pinMode(inputPin, INPUT);
//bargrah
for (int thisLed = 0; thisLed < ledCount; thisLed++) {
pinMode(ledPins[thisLed], OUTPUT);
}
}
void loop() {
lcd.clear();
// ค่าตัวแปรของ Temperature และ LUX
int analogValue = analogRead(A0);
float voltage = analogValue / 1024. * 5;
float resistance = 2000 * voltage / (1 - voltage / 5);
float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
lcd.setCursor(0, 1);
lcd.print("Temperature: ");
lcd.print(celsius);
lcd.print(" C");
// แสดงผลค่า LUX
lcd.setCursor(0, 2);
lcd.print("Lux: ");
lcd.print(lux);
delay(100);
int pos = 0 ;
if (lux >= 185) {
if (myservo.read() != 180) {
for (pos = 0; pos <= 180; pos += 30) {
tone(5, 800);
myservo.write(pos);
delay(150);
noTone(5);
delay(150);
}
noTone(5);
// myservo.write(180);
// tone(5, 2000);
// delay(500);
// noTone(5);
}
} else {
if (myservo.read() != 0) {
for (pos = 180; pos >= 0; pos -= 30) {
tone(5, 500);
myservo.write(pos);
delay(150);
noTone(5);
delay(150);
}
noTone(5);
// myservo.write(0);
// tone(5, 1000);
// delay(500);
// noTone(5);
}
}
//PIR Sensor
val = digitalRead(inputPin);
if (val == HIGH ) {
Serial.println("Motion detected!");
digitalWrite(ledPin, HIGH);
digitalWrite(ledPin2, HIGH);
pirState = HIGH;
} else {
Serial.println("Motion ended!");
digitalWrite(ledPin, LOW);
digitalWrite(ledPin2, LOW);
pirState = LOW;
}
//DHT
int readData = DHT.read22(dataPin);
float t = DHT.temperature;
float h = DHT.humidity;
// Serial.print("Temperature = ");
// Serial.print(t);
// Serial.print(" *C ");
Serial.print("Humidity = ");
Serial.print(h);
Serial.println(" % ");
if (h < 50) {
if (myservo2.read() != 180) {
myservo2.write(180);
delay(500);
}
} else {
if (myservo2.read() != 0) {
myservo2.write(0);
delay(500);
}
}
//bargrah
// int sensorReading = analogRead(h);
// int ledLevel = map(sensorReading, 0, 100, 0, ledCount);
// for (int thisLed = 0; thisLed < ledCount; thisLed++) {
// if (thisLed < ledLevel) {
// digitalWrite(ledPins[thisLed], HIGH);
// }
// else {
// digitalWrite(ledPins[thisLed], LOW);
// }
// }
digitalWrite(ledPins[0], LOW);
digitalWrite(ledPins[1], LOW);
digitalWrite(ledPins[2], LOW);
digitalWrite(ledPins[3], LOW);
digitalWrite(ledPins[4], LOW);
digitalWrite(ledPins[5], LOW);
digitalWrite(ledPins[6], LOW);
digitalWrite(ledPins[7], LOW);
digitalWrite(ledPins[8], LOW);
digitalWrite(ledPins[9], LOW);
int sensorReading = analogRead(h);
// int ledLevel = map(sensorReading, 0, 100, 0, ledCount);
if (h >= 10 ) {
digitalWrite(ledPins[0], HIGH);
}
if (h >= 20 ) {
digitalWrite(ledPins[1], HIGH);
}
if (h >= 30 ) {
digitalWrite(ledPins[2], HIGH);
}
if (h >= 40 ) {
digitalWrite(ledPins[3], HIGH);
}
if (h >= 50 ) {
digitalWrite(ledPins[4], HIGH);
}
if (h >= 60 ) {
digitalWrite(ledPins[5], HIGH);
}
if (h >= 70 ) {
digitalWrite(ledPins[6], HIGH);
}
if (h >= 80 ) {
digitalWrite(ledPins[7], HIGH);
}
if (h >= 90 ) {
digitalWrite(ledPins[8], HIGH);
}
if (h == 100 ) {
digitalWrite(ledPins[9], HIGH);
}
delay(1000);
}
mega:SCL
mega:SDA
mega:AREF
mega:GND.1
mega:13
mega:12
mega:11
mega:10
mega:9
mega:8
mega:7
mega:6
mega:5
mega:4
mega:3
mega:2
mega:1
mega:0
mega:14
mega:15
mega:16
mega:17
mega:18
mega:19
mega:20
mega:21
mega:5V.1
mega:5V.2
mega:22
mega:23
mega:24
mega:25
mega:26
mega:27
mega:28
mega:29
mega:30
mega:31
mega:32
mega:33
mega:34
mega:35
mega:36
mega:37
mega:38
mega:39
mega:40
mega:41
mega:42
mega:43
mega:44
mega:45
mega:46
mega:47
mega:48
mega:49
mega:50
mega:51
mega:52
mega:53
mega:GND.4
mega:GND.5
mega:IOREF
mega:RESET
mega:3.3V
mega:5V
mega:GND.2
mega:GND.3
mega:VIN
mega:A0
mega:A1
mega:A2
mega:A3
mega:A4
mega:A5
mega:A6
mega:A7
mega:A8
mega:A9
mega:A10
mega:A11
mega:A12
mega:A13
mega:A14
mega:A15
lcd1:GND
lcd1:VCC
lcd1:SDA
lcd1:SCL
ldr1:VCC
ldr1:GND
ldr1:DO
ldr1:AO
servo1:GND
servo1:V+
servo1:PWM
bz1:1
bz1:2
ntc1:GND
ntc1:VCC
ntc1:OUT
pir1:VCC
pir1:OUT
pir1:GND
led1:A
led1:C
led2:A
led2:C
dht1:VCC
dht1:SDA
dht1:NC
dht1:GND
bargraph1:A1
bargraph1:A2
bargraph1:A3
bargraph1:A4
bargraph1:A5
bargraph1:A6
bargraph1:A7
bargraph1:A8
bargraph1:A9
bargraph1:A10
bargraph1:C1
bargraph1:C2
bargraph1:C3
bargraph1:C4
bargraph1:C5
bargraph1:C6
bargraph1:C7
bargraph1:C8
bargraph1:C9
bargraph1:C10
servo2:GND
servo2:V+
servo2:PWM
r1:1
r1:2
r2:1
r2:2
r3:1
r3:2
r4:1
r4:2
r5:1
r5:2
r6:1
r6:2
r7:1
r7:2
r8:1
r8:2
r9:1
r9:2
r10:1
r10:2