Introduction: Darkness Direction Sensor DIY Experiment Easy
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)
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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