note

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 ...
note

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。
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 ...
EDN

Using Arduino and Rotary Telephone Dial to Control ‘Stuff’

You can use an old rotary telephone dialer in conjunction with your microcontroller to implement all sorts of things; for example, you could use it to enter a series of numbers to unlock a safe. You ...
Hackaday

Rotary Phone Lives On As Arduino Kitchen Timer

It’s safe to say that few people still use rotary phones on a daily basis. Hell, most of us don’t even use landline telephones anymore. But just because these classic phones are no longer being used ...
Geeky Gadgets

Arduino Rotary Phone Hack (video)

Makers and ordering your enthusiasts looking for a new project to keep them busy may be interested in this new Arduino rotary phone hack which uses an Arduino Pro Mini and a SIM900 GSM shield. Created ...