Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 32 64 All Add to cart Add to Wishlist Add to Wishlist SensorsMH Infrared Speed Sensor Module RM2.20 This is a sensor you can use with Arduino to measure the speed of motor coupled with encoder disk by rate of interruption of optical light, act as a contactless tachometer. Add to Wishlist Add to Wishlist