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 ...

Chapter 1, page 11 This code is basic but allows the reader to gain insight into key elements for several other projects in this book. It combines two pieces of code that are listed in the examples ...

For the first sketch, let's blink an LED and then extend it to blink multiple LEDs alternately. Before the software part, let's first set up the circuit to connect the LED to the Arduino.

Because the Arduino is executing the pre-installed software called Blink. Congratulations, you’ve now gotten you’re Arduino powered and running the Blink program that is flashing the LED.

Instructables user vatosupreme created the effect in the above video by constructing the eyes using ping-pong balls, LEDs, and wooden poles and connecting those LEDs to a control board built with ...