Light Chaser - A Modified MOVIT Robot: it seeks the brightest light and runs towards it! It has two motors (left & right) in order to make the turns; on top two light sensors (photodiodes) separated by a PC board in order to simulate a nose.

For view click Light Chaser - A Modified MOVIT Robot: it seeks the brightest light and runs towards it! It has two motors (left & right) in order to make the turns; on top two light sensors (photodiodes) separated by a PC board in order to simulate a nose. schematic diagram