He’s converted a mouse into a tuning dial. The scroll wheel on a mouse is nothing more than a rotary encoder, and can easily be used as a sort of tuning knob. Replacing it with a better encoder ...

The Arduino Nano Connector Carrier is a compact add-on board designed for the Arduino Nano boards to allow easy connection to ...

DSage] likes building replicas of hardware from movies and video games, often with a functional twist. His latest build aimed to bring the Codec from Metal Gear Solid to life. If you ...

For example the they should all share an IO device such as a 23017 or an 8574, or if on arduino pins, all the A pins must be interrupt driven. Secondly, there is a hard limit on the number defined by ...

Abstract: This paper presents a single-excitation absolute capacitive rotary encoder that is small in size, lightweight, robust, and highly precise. The encoder consists of two plates: a rotor and a ...

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4 and 19 pins are used to adjust the display contrast through a resistor. I use a 1 Mega Ohm variable resistor. Acceptable contrast ~270kOm.