Pembuatan Dan Pengujian Alat Olahraga Treadmill

Sports are very necessary in life. By treadmill exercise tool because it can support the sports facilities dikarnakan using a treadmill exercise we can do sports bolted in place without having to leave the house or to the gym. The working principle of treadmill exercise device which is controlled dc motor as the driving speed of rotation so rotation on the motor pulley distributed to pengerak t…