Results for “to_char”
Small, practical examples. Search by task or narrow things down below.
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
Clear a flag without affecting neighboring bits
Arduino / C: bitClear resets only the selected bit.
Arduino / C✓ Tested
Collapse repeated spaces
Linux Commands: Use tr -s when repeated occurrences of a character should become one.
Linux Commands✓ Tested
Collect a serial line in a fixed buffer
Read a short command without dynamic String allocation.
serial line✓ Tested
Combine several Serial.print calls
Arduino / C: Combine several Serial.print calls on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Compare a command case-sensitively
Arduino / C: strcmp returns zero when both null-terminated strings match.
Arduino / C✓ Tested
Compare a value literally inside a conditional
Bash Scripts: Quoting the right side of an equality test makes wildcard characters literal.
Bash Scripts✓ Tested
Compare elapsed time across timer rollover
Use unsigned subtraction when a millisecond counter wraps.
rollover✓ Tested
Control an LED from a button
Translate an active-low button input into an LED output.
button✓ Tested
Convert a string to lowercase
Normalize a text value using Bash expansion.
lowercase✓ Tested
Convert a supplied ADC count to volts
Arduino / C: Scale a ten-bit ADC count using an explicit reference voltage.
Arduino / C✓ Tested
Convert a variable to uppercase
Bash Scripts: Double caret transforms matching lowercase characters in Bash 4 or later.
Bash Scripts✓ Tested