Why delay() Makes Your Button Miss Presses (and the Fix)
Your Arduino button works sometimes and ignores you at others. Learn why delay() in loop() misses presses, and fix it with millis() on an Uno.
Posts tagged “debugging”
News from the workbench: what we shipped, how it works and guides for building with it. Follow by RSS or see every update.
analogWrite Will Not Fade? The Pin May Have No PWM
Your Arduino Uno LED jumps on instead of fading? See why analogWrite needs a PWM pin, which Uno pins have it, and how Mokxi's Circuit Doctor flags it.
ld.lld: undefined symbol: loop() Explained and Fixed
Why an Arduino sketch fails with ld.lld undefined symbol loop(), how it differs from compiler errors with line numbers, and how to fix both in Mokxi.
Serial Monitor Shows Nothing? Check Serial.begin and Baud
Debug an empty serial monitor on an Arduino Uno in Mokxi: the missing Serial.begin, an odd baud rate and the other usual causes, with fixes.