Nokia 3310 Phone Multimeter
 If you thought your old phone in your junk drawer was just good for making calls think again. Check out this Nokia 3310 Phone Multimeter that Mastro Gippo built! It does graphing of voltage and currents, has an ohmmeter and a continuity tester. There are also a ton of other fun features that should have been in place on this phone when it was originally released.Â