Somebody on Facebook recently asked about finding an easy-to-use shield helpful for experimenting with Arduino wherein he wants to try a single one instead of a number of luxurious shields. Luckily, ...

making the SBC an Arduino shield itself. Using such a common header pinout for the Z80 computer allows it to be used with a variety of readily-available Arduino shields. This compatibility is ...

Now your Arduino listens on serial port for multifunction shield commands. Send [help] to Arduino to list acepted commands and parameters [Commands: delay, write, blink, clear, led, blinkled, beep, ...