Photon Control of MOSFET

MosfetHandler.ino

// The handler for the subscription

void myHandler(String event, String data)
{
    if(data == "on")
    {
        digitalWrite(mosfet, HIGH);
    }
       
    
    if(data == "off")
    {
         digitalWrite(mosfet, LOW);
    }
}

MosfetLoop.ino

// Loop through the program

void loop() 
{
    // Check to see if the button is pressed
    // or not. The use of flags ensures that
    // only a singular event is called for 
    // each state.
    
    if(digitalRead(buttonPin) == LOW)
    {
        // The button is released. Check against the flag
        // to see if it has already been set. If so return.
        
        if(pressed == false)
            return;
        
        // The flag has not been set so set it now.
        
        pressed = false;
        
        // Publish the off event.
        
        Particle.publish("mosToggle", "off");
    }
    else if(digitalRead(buttonPin) == HIGH)
    {
        // The button is pressed. Check against the flag
        // to see if it has already been set. If so return.
        
         if(pressed == true)
            return;
        
        // The flag has not been set so set it now.
        
        pressed = true;
        
        // Publish the on event.
        
        Particle.publish("mosToggle", "on");
    }
    
    // Use a delay to slow down the loop; thus allowing
    // time for operations to complete.
    
    delay(period);
}

MosfetSetup.ino

void setup() 
{
    // Set the mosfet pin (set as D3) as an 
    // output.
    
    pinMode(mosfet, OUTPUT);
    
    // Set mosfet to off by writing
    // LOW to the pin.
    
    digitalWrite(mosfet, LOW);
    
    // Register the subscription and assign
    // a handler for it
    
    Particle.subscribe("mosToggle", myHandler);
}

Photon Control of MOSFET

This Gist contains code developed as part of the IoST project. The code enables the control of high powered devices such as Motors and Solenoids via the Photon microcontroller. This code is a reworking of the Arduino mosfet control developed as part of the Artist Residency where a prototype was developed that utilised a MOSFET to control power to a heated element.