He only ever lights up one LED at a time ... The Arduino can just increment the counter up to the appropriate LED. The Arduino then controls the state of the LED using the active high enable ...

const int ledPin = 9; // Test LED wire to D9 void setup() { // Set the pin as ... However, when you start controlling fade curves via the potentiometer wired to one analogue input of the Arduino, you ...

You can use an external one or use the one soldered on the board (pin 13). Turn ON an LED Sketch This is a very simple arduino project where a led is turned on by setting the pin 13 as output, then ...

The one drawback to the hardware choices made here is that there are only eight bits of vertical resolution. It takes a little creative interpretation to make this look good, but the use of color ...

This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

I’d recommend getting a single strand of 50 LED lights ... To connect them, simply plug one strand into the end of the other. 4. Program the Arduino. Once everything is soldered together ...

Make sure your Arduino board and port are selected from the connection popup menu at the top of the IDE's editor window. Blink does one thing — it blinks a built-in LED on the Arduino.

To start, you need to buy an Arduino. It comes pre-assembled or, for those handy with a soldering iron, in kit form. A fully assembled Diecimila board from the excellent Make costs just $35. The ...