This auto car responds to light to increase or decrease the speed of the car. There are four gears means the speed increases or decreases in four steps. As the car approaches the light beam from the front the light intensity increases which is sense by sensor and compare so that the speed reduces step by step in four steps and finally stops in front of light source.
₹3,000 – ₹3,625
© 2024 Mega-kit. All Rights Reserved