HARVEST – ESCAPING THE WHEAT FIELD
Harvest
Programming level 1
Building the scene
P1
How to build
Building the scene "A" version
- Building landscape, figures (foxes, harvesters, rangers, etc.)
Building the scene "B" version
- Foxes on a robot with 2 DC motors, starts automatically when switched on
P1
Building the scene "A" version
Building the scene "B" version
P1
P1
Programming level 2
Sly foxes
P2
How to build
Sly foxes
- 3 small foxes on 1 robot (2 DC motors, 2 Touch Sensors)
- Ranger on 1 robot (2 DC motors, 1 Touch Sensor, 1 red LED)
- Both robot programs are triggered by Touch sensor
- The ranger robot moves back and forth
- One of the children activates the fox robot by pressing the Touch Sensor, timing it so it does not to meet the ranger
- The ranger stops and shoots after 5 back-and-forths – red LED lights up
P2
Sly foxes
P2
P2
Programming level 3
Building and coordinating moving figures
P3
How to build
Building and coordinating moving figures
- The harvester walks around the wheat field, stopping at intervals to swing his scythe. The wind blows through the wheat field and birds flutter around the tree next to it.
- Harvester: Touch Sensor starts the program.
- It uses an IR Photoreflector to track a line.
- Stops at predetermined intervals and uses servo motor to perform swinging motion.
- Wheat field: Touch Sensor triggers the program.
- Gears driven by a DC motor move the wheat stalks and the tree with the birds.
P3
Building and coordinating moving figures
P3
P3
Programming level 4
Escape of the foxes through the field
P4
How to build
Escape of the foxes through the field
- A combination of P2 and P3
- The harvester is equipped with 2 Touch Sensors, he stops at random intervals, this is when the foxes must be switched on
- The harvester stops when the Touch Sensor is pressed, turns towards the foxes and starts shouting, waving his hands. The direction of the turn is determined by which of the 2 Touch Sensors is pressed.
P4
Escape of the foxes through the field
