Enter the ExtraCore library for Arduino, a software library that turns two or more Arduinos into a multi-core microcontroller with more pins than you’ll ever need. The ExtraCore library comes ...

Apart from understanding the Arduino's code language, one of the most confusing parts about the platform — especially for beginners — is picking the right board to use in a project. Sure, it ...

as well as a micro SD card socket. There are a total of 55 IO pins. 4.0 (left) has 2Mbyte flash, no Ethernet, USB host on two pins and a total of 40 IO pins. Both come in lockable versions to protect ...