Meet the Aeroscope: an ultra-portable oscilloscope that can be embedded in robots and drones to debug circuits and provide you with data on your robot’s performance. The Aeroscope can be paired to your smartphone or tablet. It comes with a rechargeable battery that lasts up to a full day. The max range is about 200 feet.
This handy tool makes it easy to debug your electronics projects. It will be compatible with iOS and Android devices. It weighs only 50g. More info is available here.