And in fact, the particular way that Arduino repeatedly calls the loop() function makes knowing a bit about scoping nearly mandatory: all of your function-call-duration variables get wiped each ...

Long story short: functions need prior declaration in C, and your “.ino” code defines setup() and loop() but never declares them. So that’s one thing that the Arduino IDE does for you.

Apart from the arduino-esp32 conponent parameters, we have added the ARDUINO_LOOP_HZ parameter to determine how often the loop() function will be invoked from the FreeRTOS task which calls it.

Anyone searching for a function generator may be interested in a new DIY Arduino project which details how you can make your very own. “A function generator is a very useful tool, especially ...

In order to make it easier for beginners to get started with writing Arduino sketches, and for the convenience of all users, Arduino CLI automatically generates and adds prototypes for functions ...