This is tutorial number 1 from our series of Arduino tutorials and in this part I will talk about blinking an LED using the one already available on the Arduino Uno board or using an external LED to ...

The latest version of the Arduino is the Arduino Uno (Revision 3 ... has power and after a second or so, an LED on the board should start slowly blinking. The image below points out these ...

you can replace them with bigger LEDs or even a light bulb (paired with a relay for the Arduino Uno). Try a toggle switch instead, so you won't have to keep your hands on the push button.