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This library provides several useful extensions that make programming Arduino ... MAX_ROTARY_ENCODERS which you can change by altering the file SwitchInput.h should you need more (or less) than 4.

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 ...

Now, grab some wires, and wire up the LCD screen. Try to use different colored wires for ease of reference later. Source: Mr. Innovative/YouTube Now, grab your Arduino Nano, plug in the USB ...

The PCF8574_LH library provides a simple interface for controlling the PCF8574 I/O expander using the I2C communication protocol. It allows you to read and write values to the PCF8574's registers, ...