We are not sure about existing Arduino boards, but the last six bytes of EEPROM have a unique serial number. At this point, the Mega 2560 has some kind of issue with gcc on certain platforms and ...

If you’ve messed with Arduino, the inexpensive micro controller, you’ll know that you can run a small motor or turn an LED on ... of the board with more inputs for $169 and a Mega unit for ...

There's the 53x101 mm Mega 2560 ... factor Arduino produces, measuring 18 mm in width and 45 mm in length. Some boards in the family, such as the classic Nano and the Nano RP2040 Connect, do ...