Results for “du”
Small, practical examples. Search by task or narrow things down below.
Store a compact configuration record
Arduino / C: Save a struct and retrieve it with the same field layout.
Arduino / C✓ Tested
Store a small unsigned value
Arduino / C: Store a small unsigned value on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Store an integer reading
Arduino / C: Store an integer reading on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Store and retrieve a multibyte integer
Arduino / C: put and get copy the bytes of a typed value.
Arduino / C✓ Tested
Store samples in a fixed-size ring buffer
Arduino / C: The write position wraps while the storage size stays constant.
Arduino / C✓ Tested
Store several readings in an array
Arduino / C: Store several readings in an array on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Test numeric divisibility with a remainder
Bash Scripts: The modulo operator computes an integer remainder.
Bash Scripts✓ Tested
Toggle a bit with an XOR mask
Arduino / C: XOR flips selected bits and leaves all other bits unchanged.
Arduino / C✓ Tested
Toggle an output using an explicit software state
Arduino / C: Keep the intended output state in a Boolean variable.
Arduino / C✓ Tested
Toggle Boolean state
Toggle Boolean state with a small React component and explicit browser behavior.
React✓ Tested
Turn on the LED with a serial command
Arduino / C: Wait for the character 1 in Serial Monitor before turning on the built-in LED.
Arduino / C✓ Tested
Understand setup() and loop()
Arduino / C: See initialization run once and the main loop run repeatedly.
Arduino / C✓ Tested