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This is a project done by me with 2 of my friends in a team. It is a DIY project to design monitoring and alert methods and wearable, for elderly using open-source hardware. Motivation behind our project came by observing day to day activities of elderly people and noting down their greatest point of difficulties or inability in doing a certain job which are common among all. These include memory loss, sensory loss, strength loss, inability to protect or even lift themselves if, in case, they fall or got hurt due to an accident. As a consequence, they are more dependent and need at least a minimum amount of attention all the time. The aim of our project is to make them independent or reduce the time of attention they require in extreme cases.
The project is done using limited and easily available hardware. The hardware used is as follows :
- Arduino UNO
- 3-axis accelerometer and gyroscope(MPU-6050)
- Bluetooth module (HC-05)
- An android phone
The project so far includes :
- a simple IMU based fall detection and alert method. We developed an algorithm to tackle the problem of False positive. It can differentiate between real falls and Activities of Daily Living(ADL) or fall-like activities like siting suddenly or sleeping which might give a spike in sensor readings. As it is only meant for elderly, our algorithm does not differentiate between a jump and a real fall as an elderly is not likely to jump.
- a simple android application made using MIT App Inventor to create memo with simple record and play feature to act as a reminder.
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