build your own bleepbleep:
creator Tom Evans helps make a ‘Tony Tempa’ thermometer “if you’re a Bit of a do-it-yourself parent, we’ve made the tony tempa hardware open-source at BleepBleeps.com. click on each of the components to order from Sparkfun.com.
“the electrics, bluetooth chip, motherboard and display add up to around $128. You can also buy the case, or, if you have a 3D printer, the designs are freely available online, too.
“You will also find a diagram of how to connect the parts on our blog – don’t worry, it’s a simple wiring job. best of luck.”