The positive and negative terminals are foundational to how a battery works, but the terminals don't necessarily need to be opposite of each other.

When working with Arduino boards for the first time, you're bound to make some mistakes, but these are some of the most common pitfalls you can avoid.

The red LED anode (positive leg, Long leg) into column 35, with the cathode (short leg) into column 36. I then ran the jumper wires. From the Arduino pin 2 to column 55. Pin 4 to column 30. GND on the ...

Multiplexing and Charlieplexing are techniques that allow more LEDs to be controlled than there are available microcontroller outputs.

Building a PC is simple until you get to the microscopic PC case power and reset buttons. Figure out which way round to connect these tiny front panel switches.

The Nixie Shield have extra functionality – external pins. All Arduino pins are available for use with different modules, breadboards (connected by jumper cables).

I had the idea of building this Arduino icicle lights project during the making of the light dimmer circuit and the result can be seen below. Is not a complicated project so it can be done easily by ...

Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show ...

The Arduino Esplora is a ready-to-use, easy-to-hold controller that lets you explore the infinite possibilities you have in the world of Arduino, without having to deal with breadboards or soldering.

This scenario naturally implies that the singlet- and triplet-related generation of secondary charge carriers can yield negative and positive magnetoresistance in a magnetic field.