DIY : How To Make A Simple Light Sensor ( Sensor Cahaya )

Hi

I get this video from youtube... This is how to make a simple light sensor...

The thing you need to make this sensor are :

1. LDR ( Light Dependent Resistor )
2. LED ( Light Emitting Diode )
3. 1K Ohm Resistor (Or, A 330 Ohm Resistor )
4. 9V Battery
5. 9V Battery Clip
6. Breadboard

I hope this video can provide useful guidance to you all