Practical Internet of Things with JavaScript

Smart wearable

As mentioned in the preceding section, we are going to do one of the critical things in healthcare using IoT. The main purpose of the smart wearable we are going to build is to identify fall detection. Once fall detection is identified, we notify the cloud about it. This is a very precious feature when we have elderly or sick people around who collapse due to unexpected reasons. Identifying the fall immediately and taking an action on it can be life saving at times.

To detect falls, we are going to use an accelerometer. Quoting from Wikipedia:

"An accelerometer is a device that measures proper acceleration. Proper acceleration, being the acceleration (or rate of change of velocity) of a body in its own instantaneous rest frame, ...