Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...
With the combination of heat and humidity, the heat index could exceed 100 degrees. For that reason we have issued a WEATHER IMPACT ALERT. A pop up shower or storm is possible many afternoons but they ...