Meet the Pokit: a handy tool for those of you into electronics projects. It is an app connected wireless multimeter that measures AC/DC voltage, current, resistance, continuity, polarity, and ambient temperature. It also serves as an oscilloscope to capture voltage and current waveforms.
The Pokit has retractable leads. It combines with your iPhone and Android device to let you zoom and analyze signals, add traces, and export waveforms. This is also a logger with 6 months capacity.[where to get it]