Check the listing for details. 360 Degree Rotary Encoder Code Switch Digital 7 Pins 8mm D-Shaft 10pcs. Condition: New. Listed at 16.08 USD. Description:A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to digital output signals.Rotary encoders are used in a wide range of applications that require monitoring or control, or both, of mechanical systems, including industrial controls, robotics, photographic lenses, computer input devices. Specifications:Adjustment method: 360 DegreePin Numbers: 7Number of digits: 20 digitsRated Voltage: 5 VoltShaft Type: D TypeShaft Height: 8mm/0.31"Thread Diameter: 6.7mm/0.26"Total Dimension: 14mm x 12mm x 25mm / 0.55" x 0.47" x 0.98" (L*W*H) Note: Avoid storing the products in a place at high temperature, high humidity and in Corrosive gases. Do not touch the product with water, as this may cause irregular output wave form.