Results for “character”
Small, practical examples. Search by task or narrow things down below.
Read a button in the Serial Monitor
Arduino / C: Use a pull-up input and if/else to report three button readings.
Arduino / C✓ Tested
Read a button with the internal pull-up
Treat a grounded input as a pressed button.
INPUT_PULLUP✓ Tested
Read a byte lookup table from flash
Arduino / C: PROGMEM tables require the AVR program-memory access functions.
Arduino / C✓ Tested
Read a decimal number from serial input
Arduino / C: parseFloat parses a signed decimal value from the input stream.
Arduino / C✓ Tested
Read a fixed-size serial payload
Arduino / C: readBytes returns the number of bytes actually received.
Arduino / C✓ Tested
Read a whole text file
Load text as one string instead of one item per line.
Get-Content✓ Tested
Read an integer from serial input
Arduino / C: parseInt skips leading nonnumeric characters and reads the next integer.
Arduino / C✓ Tested
Read an unpressed button with an internal pull-up
Arduino / C: An open input configured with INPUT_PULLUP reads high.
Arduino / C✓ Tested
Read and total a flash lookup table
Arduino / C: Array size can be computed at compile time even for a flash-resident table.
Arduino / C✓ Tested
Read back a configured digital output
Arduino / C: digitalRead observes the pin’s digital level after an output write.
Arduino / C✓ Tested
Read serial text up to a delimiter
Arduino / C: readBytesUntil excludes the delimiter and does not add a null terminator.
Arduino / C✓ Tested
Read the beginning of a text value
Python: Extract or display the first three ASCII characters from a known nonempty string.
Python✓ Tested