Functions Functions allow structuring the programs in segments of. Using serial from the Arduino to my PC, the below "Example 1" code, can break out of a local loop successfully (and immediately) when the Arduino received keyboard input with key "2". loop while loops will loop continuously, and infinitely, until the expression. The answers I have received there have been helpful but something is still puzzling me. What are infinite loops An infinite loop is a piece of code that keeps running forever as the terminating condition is never reached. I have a similar post, here, that I've decided to do something with the Arduino onboard LED, to isolate it from the NeoPixels Library and it is giving me the same issue. ![]() Is that a appropriate way to do an initial setup after Arduino turns ON. Infinite Loop Prototype I Final Report: Hazardous Weather Warning System using arduino. The problem isn't really the infinite state of. You could have a while (digitalRead (somePin) whatever not pressed means) loop in loop (). Infinite loops are not your friends Be careful of infinite loops. Having nothing but an infinite loop inside loop () is pointless. I planned to use ATtiny85 in the final assembly. We will turn the LED ON/OFF individually. The required resistance is enough to light up an LED without damaging the board and the LED. ![]() The limiting value of resistance should be between 220 and 330 ohms to set the optimal current through the LEDs. I've used the void loop function, and planning to use this for extended periods (years), would this damage the microcontroller in any way. We will connect the three LEDs to pins 13, 8, and 4 of the Arduino board. ![]() I am trying to figure out how to break out of a loop if it is being called from a function. PaulS: You appear to not understand that loop () is already an infinite loop. I've designed and tested a project (water level controller), which constantly monitors the inputs and acts accordingly.
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