Take things up a notch by turning the humble OLED into a rotary dial
The 128×64 I2C/SPI OLED display is often included in a myriad of projects that need some way to show data, including text, shapes, or basic graphs. YouTuber ‘upir’ was able to take this concept one step further by turning his graphic OLED screen into a virtual circular dial that can respond in real-time to an external potentiometer […]