New Low-Cost Smartphone Attachment, Custom App to Monitor Blood Pressure at User’s Fingertip | Technology News

New Low-Cost Smartphone Attachment, Custom App to Monitor Blood Pressure at User’s Fingertip Scientists have developed a simple, low-cost clip that uses a smartphone's camera and flash to monitor blood pressure at the user's fingertip. The clip developed by researchers at the University of California (UC) San Diego, US, works with a custom smartphone app and currently costs about 80 cents (Rs. 5.6) to make.