The selection of the country/region page can influence various factors such as price, shipping options and product availability.When switching pages, we will try to match the items in your shopping cart with those available for your country.Please check your shopping cart after switching, thank you!
Very simple linear movements can be implemented by DC motor. The motor can be turned by a battery or simple power supply. Reversing the voltage ("+" and "-" pole) makes it easy to change direction.