I hope this helps, but I realize this may make it even more confusing 🤣 What I do there is save the current effect in EEPROM (survives a reset), and reset the Arduino, and once the Arduino starts it will look for the value in the EEPROM so it knows what effect to start with. This is why I use the Interrupt and Reset function ( here).
When the called function has something similar (using millis() waiting for the button yet again), and this function will call yet another effect function, then your Arduino will keep accumulation positions where it should return to, which in the end (potentially) will chew up all your memory. This will work, however, when that new function is done, it will return to this loop and continue where it left off. Say in that time frame the button gets pressed, you'd probably want to call some sort of function to change the effect.
#ARDUINO MILLIS VS DELAY SERIAL#
In that loop you could read the button for example, or print something to the serial monitor, or do simply nothing. Keeping doing ( while) something as long as the current time is less that the startTime+200. do something here while we are waitingĢ. Something like this: unsigned long startTime = 0 So let's say we want to implement delay(200) by using millis(), you'd basically have to store the start time, and wait time to reach startTime + 200, before proceeding. Millis() in essence return the time, since the Arduino got powered up, in milliseconds (1000 milliseconds = 1 second). Well, you can use millis() here, but I'm not sure it will do what you expect it to do.
#ARDUINO MILLIS VS DELAY HOW TO#
so i have started again with a basic script but i have no idea how to have this run with millis, and can't get my head around the millis documentation #include įastLED.addLeds(leds, NUM_LEDS).setCorrection(TypicalLEDStrip) įill_solid( leds, NUM_LEDS, CRGB::Black) I want to be able to add more effects and use a button but the delay takes out the button.
Äo you know how i could use millis instead of delay in the script below. Find below the full post of EssentialLED.
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