Meet the SnapSync Band-1: an open source gesture control smartwatch that you can use to interact with your smart home and mobile devices. It also doubles as a sleep and health tracker. Its app integrates with HomeKit, IFTTT, and Home Assistant.. The Band-1 uses a an onboard piezo sensor to detect micro-vibrations on the skin and uses a neural network to understand intent and trigger preset actions.
This gadget has a 6-axis accelerometer to detect rotation and swiping gestures. The Band-1 app lets you set up gestures, train custom ones, and locate lost devices. It has an ECG sensor that monitors your heart rate and syncs it with the app.