How to send an analog value from a photo sensor to arduino uno from distance

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1

I want to make something like an alarm.But i want to put the photo sensor on my window and and rest of the circuit (arduino,power supply and other) next to my bed.But i have a question how i can send the analong value from the photo resistor to the arduino from distance..

 

Any help would be nice

2

If you want to do it

If you want to do it wirelessly, you’d have to use 2 microcontrollers and a pair of RF modules like these:

http://www.ebay.com/itm/2-PCS-NRF24L01-2-4GHz-RF-Wireless-Transceiver-Module-for-Arduino-/270975079068?pt=LH_DefaultDomain_0&hash=item3f175f929c

Here’s how:

http://arduino-info.wikispaces.com/Nrf24L01-2.4GHz-HowTo