A rotary encoder is a wonderful digital alternative to the old analog potentiometers. Rotary encoders are useful as rotation sensors (or selectors) and look similar to potentiometers, but rotate all ...

LED 8x8 Dot Matrix using Arduino This project demonstrates how to control an 8x8 LED dot matrix display using an Arduino and the LedControl library. The code initializes the matrix, displays a ...

On a 8x8 LED dot matrix we display a heart image (which is created by the matrix's dots/LEDs that are ON). We wait for 5 seconds and then booom!, the leds that compose the heart turn on and a heart ...

It is amazing how many Arduino programmes for decoding rotary encoders start with something like: "I looked at all the available rotary encoder sketches ...

Working of the MAX7219 8x8 Dot Matrix with Arduino The video below shows the working of the MAX7219 module, as we are using two types of display, there will be two codes as you can see in the code ...

In this article we will learn about the different types of Rotary Encoders and how it works, and interface a KY-040 rotary encoder with arduino ...

The circuit is driven by a MAX7219 IC that is being controlled through an Arduino microcontroller board, to create an 8X8 LED matrix. The connection of the LED matrix and the IC was done on a ...

The dot matrix clock was built without the use of a regular Arduino board but uses the ATmega168 with Arduino bootloader and assembled on a breadboard. An RTC clock compensated by temperature is used ...

We report the procedure of using dot-matrix gratings based disc and a beam-shaping lens to design a digital rotary encoder. Compared with a conventional geometric one, the proposed diffractive encoder ...

In this paper, a high-precision digital rotary encoder based on dot-matrix gratings (DMGs) is proposed for detecting shaft rotation. The DMG-based encoder is composed of a laser diode, a beam-shaping ...