The right Board for all - no matter whether you are a beginner or a professional, with simple programming via a USB cable and the solderless plug-in pins anyone can Tinker within minutes of the first project! By 14 digital in - and outputs and 6 analog inputs of the UNO R3 can be used for larger projects! Thanks to the ATmega328 micro-controller, as well as more sophisticated programs to be executable! By 100% Arduino compatibility, even just in the Arduino IDE programmable! https://elecena.pl/product/17096915/uno-r3 2020-08-04 https://elecena.pl/product/17096915/uno-r3 2021-03-04 https://elecena.pl/product/17096915/uno-r3 2021-10-14 https://elecena.pl/product/17096915/uno-r3 2022-06-15