The snippet library.
Small, practical examples. Search by task or narrow things down below.
Branch on a threshold
Arduino / C: Branch on a threshold on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Calculate a fixed array’s element count
Arduino / C: Calculate a fixed array’s element count on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Calculate with integer values
Arduino / C: Calculate with integer values on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Change an LED delay with a variable
Arduino / C: Assign a new value to a variable to change the next LED pulse duration.
Arduino / C✓ Tested
Check both ends of a range
Arduino / C: Check both ends of a range on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Choose the smaller of two values
Arduino / C: Choose the smaller of two values on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Combine several Serial.print calls
Arduino / C: Combine several Serial.print calls on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Count down with a bounded loop
Arduino / C: Count down with a bounded loop on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Count five LED flashes with a for loop
Arduino / C: Repeat an LED action a known number of times and print the current count.
Arduino / C✓ Tested
Explain a sketch with comments
Arduino / C: Use single-line and block comments to document what a sketch does.
Arduino / C✓ Tested
Find a division remainder
Arduino / C: Find a division remainder on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Give an LED pin a constant name
Arduino / C: Use const to name the built-in LED pin and reuse it in output instructions.
Arduino / C✓ Tested