NEU Lichtempfindlicher mobiler Roboter LED Atemlicht Zum Selbermachen Glühwürmchen elektronisches Teil
2,56 €
There are two photosensitive sensors on right and left (R1/R4) which simulating the antennae of fireflies. When the light reaches the antennae R1 or R4, Transistor Q1 or Q2 will turn ON, and then the corresponding motor starts to vibrate so that the firefly moves in the direction of light.
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