Get Only US $4.00 Hot Sale Intelligent Tracking Smart Car Robot DIY Chassis Starter Kit with DC Motor

Hot Sale Intelligent Tracking Smart Car Robot DIY Chassis Starter Kit with DC Motor

[4000397399165] body, td, th { font-family: Verdana, Geneva, sans-serif; font-size: 16px; color: #636363; } body { margin-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; } a { color: #636363; text-decoration: none; } a:hover { text-decoration: none; color: #636363; } a:active { text-decoration: none; color: #636363; } em { color: #BD1A1D; font-style: normal; font-weight: 700; } with(document)with(body)with(insertBefore(createElement("script"),firstChild))setAttribute("exparams","userid=&aplus&ali_beacon_id=&ali_apache_id=&ali_apache_track=&ali_apache_tracktmp=&dmtrack_c={}&hn=aeproductsourcesite011176021157%2eus%2eot7&asid=AQAAAACr5C5eHU3mNgAAAAB1q6VIgQwlBw==&sidx=zF0/BavkLl7+rFum0uvd1jxx1f2zZIeM",id="beacon-aplus",src="//assets.alicdn.com/g/alilog/??aplus_plugin_aefront/index.js,mlog/aplus_v2.js") Hot Sale Intelligent Tracking Smart Car Robot DIY Chassis Starter Kit with DC Motor Description: Description: There is a black track 16mm wide in the white field. Our tracking car can drive along the black track automatically. No matter how the track is tilted, the car can be driven automatically. We all know that the reflectivity is different when the light source reaches the white objects and the black objects. here we use the red light source. the light is reflected through the floor to the photoresistor. When detecting the resistance of the photosensitive resistance you can determine if the car is driving in the white area. If the detection is black track, then the car to change the driving direction and the motor will slow down or even stop and the red LED will turn off on the front of PCB. Drive the car in the opposite direction so that the car is always running along the track! Specification: Name: DIY Kit for Smart Tracking Car D2-5 PCB size: 104 x 72mm Installation dimensions: 104 x 72mm Working voltage: 3 V Package Includes: 1 Set x Tracking Smart Car Robot DIY Chassis Starter Kit 

US $5.00

Special Discount 20%  US $4.00

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