This design effort is the result of the capstone senior design project to create an affordable weighing device for wheelchair users. There are 3.3 million individuals in the Unites States that require a wheelchair for mobility aid. 1 Wheelchair use is associated with a number of health problems that are related to weight gain such as heart disease, diabetes, and stroke; however, few wheelchair users can afford currently available home-use wheelchair scales to monitor their weight. 2 Most wheelchair users must go to clinics, hospitals, or other healthcare facilities equipped with expensive wheelchair scales to monitor their weight. Previous studies have shown that consistent self-monitoring of weight is critical in preventing weight gain. 3 There exists a need for a way to measure wheelchair user weight in a home setting in an accurate manner that is user-friendly, portable, and affordable.

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