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 ...

This code is for an RFID door lock system using an Arduino. It reads the UID of the RFID card and compares it to a predefined ...

Because all the pins are shared, you have the same problem with the Arduino pins, too. If you are driving an output pin with the FPGA, you shouldn’t try to drive it with the CPU also.

Arduino and Raspberry Pi are two staples in the DIY electronics community. Both are affordable, flexible, and supported by dedicated teams, thorough documentation, and a vibrant community. While ...