It turns out the Crayola washable marker I got to draw lines on white paper for the line follower robot are not detectable. A black sharpie is. I better give the kids back their marker.
software creative
software creative
It turns out the Crayola washable marker I got to draw lines on white paper for the line follower robot are not detectable. A black sharpie is. I better give the kids back their marker.