If you upload this sketch you’ll notice that the LED is blinking once every second. Now let’s analyze the code. In the setup function is only one instruction that sets the pin 13 as OUTPUT. This ...

Setup 1. Run Arduino. 2. Open the LED blink example sketch: File > Examples > 1.Basics > Blink. You should see a window like in Figure 2. 3. Choose Tools > Board, then select your board, like in ...

What was your first Arduino program? Probably an LED blinker — that seems to be the “hello world” of microcontrolllers. You probably moved on to things a little more complicated p… ...

There Is No Special Arduino Language Arduino “blink” sketch should run on any Arduino compatible board. Yes, I know they call them sketches, which is silly. But the fact is it’s just c++.