Seeed Grove Range of Sensors and Modules - Seeed Studio 101020017, Seeed 101020017 Grove - Rotary Angle Sensor or potentiometer is also known as a pot meter or Pot twig produces analog output between 0 and Vcc (5V DC with Seeeduino) on its D1 connector.
The angular range is 300 degrees with a linear change in value.
The resistance value is 10k ohms, perfect for Arduino use.
This may also be known as a rotary angle sensor.
Seeed 101020017 Grove - Rotary Angle Sensor