# OOP within Arduino

### Why use classes



### Abstraction

### Encaptiolation

### Inheritance

### Polymorphism

## Whitch classes did we use

### Uml diagram

---
title: Arduino classes
---
classDiagram
    class Websockets
    Websockets: 


Class Websockets:
    Public:
        websockets();
        void hexdump(const void *mem, uint32_t len, uint8_t cols = 16);
        void websocketSetup();
        void loop();
        void webSocketEvent(WStype_t type, uint8_t * payload, size_t length);
        void sendMyText(String message);
        
    private:
        WebSocketsClient *webSocket;
        WiFiMulti *_WiFiMulti;

Class NodeReadings:
public:
    nodeReadings();
    void setup();
    void loop();
    void resetValues();
    void update();
    void checkForError();
    void displayData();

private:
    DHT *dht;
    Adafruit_SH1106G *display;
    websockets *webSocket;
    Adafruit_SGP30 *sgp;

    uint16_t TVOC_base, eCO2_base;
    uint16_t counter;
    uint16_t eCO2;
    uint16_t TVOC;
    uint16_t interval;
    float temperature;
    float humidity;
    unsigned long currentMillis;
    unsigned long lastMillis;
    bool errorSGP30;
    bool errorDHT11;
    bool noise;

### Small explenation