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, ...

This library is not maintained. It was my first 'popular' Open Source project, and brought MQTT to the Arduino platform just as both were gaining popularity. But times have changed, and I haven't ...

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