Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing power and I/O you get. But if you need something really small, like ...

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 ...

HardwareSerial is passed by reference. Default bufsize is 100. ISR is void function with one argument of type char*. It's called when line is ready to be read. This library allows microcontroller to ...