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 ...

The latest version of the Arduino is the Arduino Uno ... Diode (LED) should light up once the Arduino has power and after a second or so, an LED on the board should start slowly blinking.

Before I start talking about this really cool thing called Arduino (Italian for "good ... Circuit for Multiple Blinking LEDs Listing 2. Multiple LED Blink Sketch /* Multiple LED Blinking program Amit ...