New premium quality 3-pin optical speed sensing device Key benefits - Measures speed using optical principles for a non-electrical contact method of sensing rotating parts - Simple 3-pin interface for easy integration with compatible systems - Premium quality construction designed for dependable performance Specifications at a glance - Condition: New - Quality: Premium - Type: 3-pin - Speed measurement method: Optical principles Use scenarios - Robotics and hobby projects curl to monitor the rotation speed of small motors or wheels - Educational laboratory demonstrations of optical speed measurement techniques - Prototyping and development where a 3-pin optical speed sensing solution is required Notes - Size and materials are not specified in the provided information - Function and purpose are based on the stated specification that speed is measured by optical principles