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 ...

Home » Feature Story » Apps » Blinking an LED with the Arduino IDE. ... Open the LED blink example sketch: File > Examples > 1.Basics > Blink. You should see a window like in Figure 2. 3.

The 1K resistors are used for base current limiting, and the 390R resistors limits the operating current of the LED display segments. In the Arduino board, digital outputs from D2 to D8 are used to ...

The WatchDuino is exactly what it sounds like, an Arduino-based wrist watch. The component list is short and inexpensive. The meat and potatoes consist of an ATMega328, crystal, Nokia LCD screen ...