Help me to rotating this fan


@Gunner Hi gunner. can you help me to rotating this fan ?
1 2

I’m trying this cod but only showing one image. the V3 is image widget

  int pinValue = param.asInt();
  if (pinValue == 1)
    digitalWrite(Relay_9, LOW);
  else if (pinValue == 0)
    digitalWrite(Relay_9, HIGH);

Image Gallery

I moved your issue into your own topic.

I only see two distinct images… and as far as the “ON” side, those two virtual prints would happen so fast that you would only see the image #2 anyhow.

If you want to have the “.gif” (pronounced giraffe :stuck_out_tongue_winking_eye: ) appearance, then you would need short timers alternating back and forth… much like my LED example…


thanks gunner. I tried your code. but it’s very fast flashing the fans and not rotating. I’m set the timer to 1000L


@Gunner gunner thanks. I’m change the time to 2000L its working.


You need to adjust both timers to your own needs… but they also need to be in sequence with each other typically 2nd is 50% of 1st

FYI, I have not actually tried rapidly changing any images yet… but @Alexis_Cabrera is an expert at it :smiley:


ah ah.
you are my teacher @Gunner.
don’t forget that.


why not use the property “rotation” ? with only one image and one timer?

//Rotation property
Blynk.setProperty(V3, "rotation", 90); //0-360 degrees

//Scale property
Blynk.setProperty(V0, "scale", 30); //0-100%

//Opacity property
Blynk.setProperty(V0, "opacity", 50); //0-100%


@ErfanDL @Gunner :rofl::rofl::rofl:



Any chance you could share the code?



int Speed, R;

void setup()
timer.setInterval(100, Fan);

BLYNK_WRITE(V27) {//slider 0 to 4
  Speed = param.asInt();

void Fan() {
  R = R + (10*Speed);
  if (R >= 360) {
    R = 1;
 Blynk.setProperty(V0, "rotation", R); //0-360 degrees




Fantastic job @Alexis_Cabrera :smiley:


i know it isn’t perfect, I realized it in 5 mn.
mine has a variable speed, not yours.


thank you @Gunner
this can be improved, but it depends on the speed of rotation and the gif image used.
@kotelmach has the solution:
do not use variable speed, it’s better.
what a pity !


@Alexis_Cabrera I really like your use of the rotation properties command… looks more than smooth enough , considering you have then converted it to a gif for forum presentation. I didn’t even think of those set property features… I would have been rapidly changing 2-3 images back and forth :stuck_out_tongue:


How to set image name ? in this code the R is your image name ?


no, R is the rotation degrees


but where is image name ?


the name is not necessary

just virtual PIN is needed


Ahaa. OK but I want when the fan turning off the fan color changed to red color. is that possible with one image widget ?