We set the potentiometer pin as 0 (A0 on the Arduino Uno board), the CONTROL variable is the voltage that is used to cotrol the led brightness of the speed of the fan.

Digital potentiometers are integrated circuits with the initial position of the wiper at the midscale. However, some variants have an on-board (non-volatile) memory that remembers the last wiper ...

Whether it's your first time practicing coding, or you're a seasoned tinkerer, Arduino is an excellent platform to get your hands dirty with coding and tech.

It’s a simple enough set-up in which a voltage controlled current source feeds the pot while an Arduino with a motor controller turns it through a stepper motor, and takes a voltage reading from ...

There are a lot of fun Arduino projects that you can accomplish with the company's nearly $25 boards.

Getting a magnetic field to balance on another magnetic field is about as easy as balancing a bowling ball on the tip of an ink pen. With a little help from an Arduino mega, however, [EmmaSong] was… ...

In this guide, we’re going to introduce you to Arduino using the meArm robot arm project as a guide to a variety of skills. The meArm is an open-source kit with all the parts you need to build a ...

Call it synchronicity, or manually setting a 16-bit number in an Arduino, or how to turn an OLED into a rotary dial ...