This library (ok_arduino_logging) offers centrally configured string-tag log level filtering: Each source file defines a "tag" for that file's logs. The main app/sketch includes a filter expression ...

An Arduino Uno (CH340G clone) reads temperature and humidity from a DHT11 sensor and computes 10+ environmental metrics (heat index, dew point, enthalpy, humidex, vapor pressures, etc.), outputting ...