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Results for “character”

Small, practical examples. Search by task or narrow things down below.

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Arduino / CBinary values & packets

Calculate a CRC-8 over a byte sequence

Arduino / C: This implementation uses polynomial 0x07, initial zero, and no reflection.

Arduino / C✓ Tested
Arduino / CGetting Started

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
Arduino / CBinary values & packets

Calculate a simple packet XOR checksum

Arduino / C: XOR all payload bytes to produce a basic error-detection byte.

Arduino / C✓ Tested
Arduino / CGetting Started

Calculate with integer values

Arduino / C: Calculate with integer values on an Uno with the Serial Monitor set to 9600 baud.

Arduino / C✓ Tested
Arduino / CGetting Started

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
Arduino / CGetting Started

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
Arduino / CEEPROM & program memory

Check EEPROM capacity before a write

Arduino / C: length reports the available address count for this board.

Arduino / C✓ Tested
Bash ScriptsLoops & decisions

Check whether input is a nonnegative integer

Reject empty input and nonnumeric characters before arithmetic.

validation✓ Tested
Arduino / CGetting Started

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
Arduino / CBinary values & packets

Clear a flag without affecting neighboring bits

Arduino / C: bitClear resets only the selected bit.

Arduino / C✓ Tested
Linux CommandsTransforming text

Collapse repeated spaces

Linux Commands: Use tr -s when repeated occurrences of a character should become one.

Linux Commands✓ Tested
Arduino / CSerial communication

Collect a serial line in a fixed buffer

Read a short command without dynamic String allocation.

serial line✓ Tested