Meet the SnapSync Band-1: an open source smartwatch that lets you use gesture to control your smart home devices. It has an app that integrates with Google Home, HomeKit, and IFTTT. This gadget has sensors to track your sleep. It can also measure your blood oxygen and give you an ECG.
More gadgets like this: here
The Band-1 has a piezo sensor to detect micro-vibrations and a 6-axis accelerometer to detect gestures such as swiping and rotation. This gadget is easy to disassemble for repairs. It has an app that lets you locate lost devices and set up gestures. 5 predefined gestures are available but you can train your own.
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