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Here is shown, how to build a sensor that shows you in what direction darkness is.

Step 1: Materiallist & Schematics

What you need:

Power Source (9V Battery)

Breadboard

Jumper Wire

2 X LDR

2 X LED

2 X Resistor 100K Ohm

2 X Resistor 330 Ohm

2 X Transistor BC 547B

Plug all together as shown on schematics and fisnish.

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Bio: I like to get back to the technical roots and try to make things without getting too complicated. Thanks for feedback https://www.youtube.com ...
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