Soldering Kit: NiteLight

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Soldering Kit: NiteLight

from 10.00

Take your exploration of transistors the next step beyond the TouchPad with this board that uses a a photo-transistor coupled with an NPN transistor to create a light activated circuit.

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The NiteLight circuit further explores how to use a transistor in a logic gate to create a circuit that turns the LED on when it gets dark. This Very Useful Circuit can be embedded into any application where you need a light sensitive circuit (wearables, night lights, jack-o-lanterns).

What's included: 

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What does the Nitelight circuit look like? 

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Soldering instructions: 

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Extensions: 

Students can even swap out the NPN transistor with a PNP transistor (not provided) to reverse the circuit and build a circuit that turns ON when in presence of light (i.e. cabinet light or refrigerator alarm).

Nitelight is also available as a pre-soldered kit