Results for “serial line”
Small, practical examples. Search by task or narrow things down below.
Store an object associated with an element
jQuery: data retains JavaScript values without serializing them into HTML attributes.
jQuery✓ Tested
Write a JSON file
Save a dictionary as readable, indented JSON while preserving Unicode characters.
json✓ Tested
Advance an index around a fixed collection
Arduino / C: Modulo wraps a bounded nonnegative index to zero.
Arduino / C✓ Tested
Apply an enhancement only when a feature is supported
CSS: A supports rule preserves the baseline outside browsers that understand the selected declaration.
CSS✓ Tested
Archive filenames safely with null delimiters
Linux Commands: Use find -print0 with tar --null to preserve spaces and embedded newlines in filenames.
Linux Commands✓ Tested
Assemble a big-endian 16-bit value
Arduino / C: Cast to an unsigned 16-bit type before shifting the high byte.
Arduino / C✓ Tested
Assign a bit from a Boolean state
Arduino / C: bitWrite accepts a bit position and a zero or nonzero value.
Arduino / C✓ Tested
Average a fixed set of readings
Accumulate sample values without overflowing a 16-bit total.
array✓ Tested
Blink the built-in LED three times
Alternate the built-in LED with a short blocking delay.
blink✓ Tested
Blink without blocking the loop
Use elapsed millis time instead of delay for a repeating action.
millis✓ 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
Calculate a CRC-8 over a byte sequence
Arduino / C: This implementation uses polynomial 0x07, initial zero, and no reflection.
Arduino / C✓ Tested