Darkness Direction Sensor DIY Experiment Easy

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

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.