104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
#include <Wire.h>
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#include <BH1750.h>
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#include <DHT.h>
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//#include <avr/sleep.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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//DHT.DHT11;
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#define DHTTYPE DHT11
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#define DHT11_PIN 15 //on board: 15 DHT11
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#define VoltPin 18 //on board: 16 GRENN/BLUE
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#define SCREEN_WIDTH 128
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#define SCREEN_HEIGHT 64
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#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
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#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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DHT dht(DHT11_PIN, DHTTYPE);
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//VOLTAGE:
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float referenceVoltage = 5.0;
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int maxADCValue = 1023;
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float voltageDividerRatio = 3.0;
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int adcValue = 0;
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float inputVoltage = 0.0;
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float measuredVoltage = 0.0;
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BH1750 lightMeter;
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void setup() {
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Serial.begin(9600);
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Wire.begin();
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lightMeter.begin();
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pinMode(VoltPin, INPUT);
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display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS);
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display.clearDisplay();
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display.setTextColor(WHITE);
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display.setRotation(0);
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display.setTextSize(3);
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display.setCursor(0, 0);
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display.println("TEST:");
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display.display();
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dht.begin();
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}
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void loop() {
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// Serrintln();
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int chk = dht.read(DHT11_PIN);
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uint16_t lux = lightMeter.readLightLevel();
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adcValue = analogRead(VoltPin);
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measuredVoltage = (adcValue * referenceVoltage) / maxADCValue;
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inputVoltage = measuredVoltage * voltageDividerRatio;
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// Serial.print("Light: ");
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// Serial.print(lux);
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// Serial.println(" lx");
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// Serial.print("Temp: ");
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// Serial.print(DHT.temperature);
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// Serial.println();
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// Serial.print("Hum: ");
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// Serial.print(DHT.humidity);
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// Serial.println();
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// Serial.print("Volt: ");
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// Serial.print(inputVoltage );
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// Serial.println();
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// Serial.println();
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display.clearDisplay();
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display.setTextSize(1);
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display.setCursor(0, 0);
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display.println("Temp:");
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display.setCursor(30, 0);
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display.println(dht.readTemperature());
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display.setCursor(64, 0);
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display.println("Hum:");
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display.setCursor(90, 0);
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display.println(dht.readHumidity());
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display.setCursor(0, 32);
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display.println("Volt:");
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display.setCursor(30, 32);
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display.println(inputVoltage);
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display.setCursor(0, 50);
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display.println("adcValue:");
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display.setCursor(64, 50);
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display.println(adcValue);
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display.setCursor(64, 32);
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display.println("Lux:");
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display.setCursor(90, 32);
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display.println(lux);
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display.display();
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delay(250);
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}
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