EDN

Arduino Rotary Encoder: Tutorial, Wiring, and Pinout

What is a rotary encoder? A rotary encoder (RT) is a device that you can rotate infinitely. On most rotary encoders, when you rotate them you will feel a bump (known as steps), and most RTs have about ...
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Arduino ロータリーエンコーダー ESP32 AとBの値を可視化してみる

秋月電子通商で購入できる「LED付ロータリーエンコーダー(赤)ツマミ付セット」をESP32で、1msec間隔でポーリングして、AとBの値を監視して、グラフにしてみる実験。 理想では、「右回り (CW): 00 → 10 → 11 → 01 → 00」、「左回り (CCW): 00 → 01 → 11 → 10 → 00 ...
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Arduino ロータリーエンコーダー ESP32超入門

以前、秋月電子通商で「LED付ロータリーエンコーダー(赤)ツマミ付セット」を購入した。これをESP32 Arduinoで使う方法を入門してみる。
GitHub

Arduino library for a PCF8575 based rotary decoder - supports 5 rotary encoders with a switch.

This library uses a PCF8575 to read the pulses of a rotary encoder. As a PCF8575 has 16 lines up to 5 decoders with a switch can be read over I2C. The PCF interrupt line can be used to detect changes ...
GitHub

Adafruit I2C Quad Rotary Encoder Breakout with NeoPixel / Seesaw Neopixel LED issue with 4 LED

I am facing an issue with seesaw componant and my Adafruit I2C Quad Rotary Encoder Breakout with NeoPixel - STEMMA QT / Qwiic, Product ID: 5752. Encoders count in the wrong direction. The LED on the ...
Electronics Weekly

Rotary encoder decode for Arduino

“I looked at all the available rotary encoder sketches and none of them met my needs, so I have written my own, and here it is”. Well, I looked at all the ...