DigiPot is a digital potentiometer using a rotary encoder as input along with a 7 segment display that show the current pot value.
The “potentiometer” is actually a rotary encoder (TW-700198) connected to a microcontroller that reads the signal from it and convert it to a value that is displayed on 7-segment displays. The value also is sent via i2c/spi/serial/usb to the host. Also 3 LED and included for status indication.
DigiPot – Rotary Encoder Potentiometer – [Link]