Two amazing people, Nathanael Wolfe and Rohan Dixit just want to work on decreasing the stress level of others. They state that chronic stress can easily enhance the chances of stroke and heart attack by fifty percent. For this purpose, they developed Lief, a smart patch that can fight stress and are also running a very successful Kickstarter campaign for generation of their parts. The Lief is able to keep a check over your heart and breathing rate to monitor your level of stress and when it does it sends vibrations to alert your stressors to calm down.
Lief is more like a training device that aims to train and monitor the patient’s stress that uses heart rate variability (HRV). Lower level of HEV can always be related with distraction, lesser performance, and anxiety. This device has several parts including ECG heart sensor, 2 haptic vibration motors, multicolor LEDs for biofeedback, a 3-axis accelerometer, stickers, and medical grade silicone skin. The stickers here are meant for connecting the patch with your body. There is a battery placed inside Lief that needs at least one hour to get fully recharged. Once recharged fully, you can use the device for a complete week. It also has a Bluetooth Low Energy system that permits the equipment to coordinates with the app and stores about a week’s data in one go.
If you switch on to the upgrade mode of device firmware, the software of Lief will upgrade automatically. Lief can be used to measure a lot of things like breath speed, heart rate variability, mood, through record, downtime, movement, and these can be tracked via Android and Apple compatible app. In terms of engineering, it is an unmatched project. A lot is being discussed regarding further development and prototypes of this device. Though it is a simple silicone patch but one wouldn’t be comfortable with the idea of attaching silicone with their chest.
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