How To: Hack a cell phone to add a light sensitive alarm

Hack a cell phone to add a light sensitive alarm

Open up your mobile phone and solder on a light sensing resistor to make an alarm go off when the phone is in the light. Possible uses?

Want to help support Gadget Hacks and get a great deal on some sweet new tech? Check out all the deals on the new Gadget Hacks Shop.

Our Best Phone Hacks

Delivered daily to your inbox.

5 Comments

no way

This would make an economical intruder alarm. Marek, could you please get in contact with me...I have some ideas. Paid collaboration. jeremyadams 'at' tormail 'dot' org

This will help me to get in contact with you hacker and i get to be a hacker of any thingthing.Thanx you people.

Share Your Thoughts

  • Hot
  • Latest