Results for “open”
Small, practical examples. Search by task or narrow things down below.
Blink without blocking the loop
Use elapsed millis time instead of delay for a repeating action.
millis✓ Tested
Block scripts in an embedded document
HTML: An empty sandbox attribute applies the default set of restrictions, including blocking script execution.
HTML✓ Tested
Branch on a threshold
Arduino / C: Branch on a threshold on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Build a first radio-button group
HTML: Learn how to build a first radio-button group in a complete browser example.
HTML✓ Tested
Calculate a CRC-8 over a byte sequence
Arduino / C: This implementation uses polynomial 0x07, initial zero, and no reflection.
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 a simple packet XOR checksum
Arduino / C: XOR all payload bytes to produce a basic error-detection byte.
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
Check EEPROM capacity before a write
Arduino / C: length reports the available address count for this board.
Arduino / C✓ Tested
Check whether text contains a phrase
Use a case-sensitive Java substring check.
Java✓ Tested