Default sortingSort by popularitySort by average ratingSort by latestSort by price: low to highSort by price: high to low View:3264All Add to cartAdd to WishlistAdd to WishlistSensorsMH Hall-effect Magnetic Sensor Module RM2.20This is a sensor you can use with Arduino to sense changing magnetic fields around magnetic objects, without contacting to the object itself. Add to WishlistAdd to Wishlist