Imagine you have a budget of $20.
You need to make a tracker 1cm x 1cm x 1cm.
You will have one device (can be with sensors) which will know were you tracker is.
The tracker will stay in a 100 meter range of the device.
The tracker has to work in a build or outside.
The Tracker doesn't have to be water proof shock proof or anything like that.
Your goal is just to figure out a way to build this. By the way I don't know of a way myself.
I'm interested to see what someone comes up with.
Last edited by Dr.Tin; 11-05-2015 at 09:34 PM.
Ok, if $20 is way too small for this how about just the least coast you can make it.