The OneWire library can be downloaded and used exclusively on Arduino. No external dependencies are required. For beginners, consider adding DallasTemperature library, but that would break “exclusive” use.
The library uses strict timing:
These values are tuned for 16MHz Arduino boards. For ESP32 (240MHz), you must modify OW_DELAY_* macros or use delayMicroseconds() directly. openwireh library download arduino exclusive
Why are so many people looking for this? Because it changes the game for hobbyists and professionals alike: The OneWire library can be downloaded and used
The header file openwireh (often misspelled from openwire.h) contains all type definitions, function prototypes, and timing constants. Exclusive to the Arduino community, this library is not part of the default IDE installation — hence the need for a manual download. The library uses strict timing: