Mures and Olt to the sea P1 P2 P3 P4 Programming level 1 Building Mures and Olt P1 How to build The robotThe two fairies are built as DC motorised robots connected to a battery holder.Mures is a slow moving robot, Olt is a fast moving robot with gears. P1 Static figures P1 P1 Program P1 program download to the top of the page Programming level 2 Building Mures and Olt P2 How to build The robotsThe two fairies are built as robots mounted on a trolley.Olt is built with a device that allows him to push objects away from him.The robots follow a pre-drawn path: Mures a winding one, Olt a straighter one. P2 The robots P2 P2 Program P2 “A1” program downloadP2 “A2” program downloadP2 “A3” program download to the top of the page Programming level 3 Build the journey of Mures and Olt P3 How to build The robotsMures is a line tracer robot, using IR-photoreflector.It uses another IR photo-reflector to see if it reaches the sea, where it stops.Build Olt so that her arms can be moved using a servo motor.When an object comes in its path, it detects it with an IR photoreflector and scoops it aside with its arms.It uses another IR photo-reflector to see if it reaches the sea, where it stops. P3 The robots P3 P3 The programs P3 “A1” program downloadP3 “A2” rogram download to the top of the page Programming level 4 Build the journey of Mures and Olt P4 How to build The robotsBuild the fairies in a similar way to P3.Mures uses two IR-photoreflectors to observe objects in her path. She avoids them if necessary.Olt counts how many objects she has dredged and when she stops at the sea, she flashes the number. P4 The robots P4 P4 The program P4 “A1” program downloadP4 “A2” program download to the top of the page