[Andy] didn’t want to use up 24 pins on his Arduino, so he used a latch to multiplex the lowest 8 address lines and the data lines together. With the 512KB RAM expansion installed, the Mega is ...

Fastest finger first indicators (FFFIs) bring precision to quiz games, measuring contestants’ reaction times with accuracy.

The Arduino is no exception to this trend ... and just a single LEDs on pin 13. One of the other features this board boasts over other small form factor boards is on-board USB-C, which is ...

There's the Arduino Giga R1 Wi-Fi featuring an impressive set of 76 pins and the Arduino Mega 2560 with a total of 70 pins.