Results for “serial”
Small, practical examples. Search by task or narrow things down below.
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 a linear sensor calibration
Arduino / C: Convert a raw reading using an offset and scale measured for the sensor.
Arduino / C✓ 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
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