motor speed sensor modul ukur rpm kecepatan slot optocoupler

speed slotBi-metal Speed Slot® Hole Saw with T3 Technology™, for 50X longer life and 2X more durability vs. LENOX prior generation. Minimised tooth loss and improved durability thanks toA speed slot is a raised ar groove across the road surface that aims to reduce vehicle speed. Its desn offers a smoother ride compared to traditional speed humps or cushions, while still