It is a pretty common first project to use an Arduino (or similar) to blink an LED. Which, of course, brings taunts of: you could have used a 555! You can, of course, also use any sort of ...

and it’s at least as complex as blinking a LED with an Arduino. You’re gonna want to click that ‘Read more’ link. For a simple 6502 system, you’ll want the 6502 itself, some RAM ...

Don't be fooled by their appearance there's a world of difference between the tiny Arduino and Raspberry Pi boards! Armed with multiple ... Arduino will start blinking the LED every second.