But some devices functions by watching the current after a short initial transient (the current will level out to some degree) and then report the current after a fixed time. Also some companies do not release detailed data about their particular test strips operation. We find little details about electrochemistry, and details available can be quite complex. The electrodes of the strips are coated enabling an enzymatic chemical reaction to take place on the surface of the electrode, and this reaction determines the resulting current.
The brand of test strips used is the ONE-TOUCH which has standardized test strips around a single code number so for a particular set there is no need to change code in their older meters and some of their newer meters. This code enables the meter to be calibrated to a particular batch of test strips. You should note that some models requires a user to manually enter a code found on a chip that comes with the test strip since test strips can vary from batch to batch. The response it give is then measured to the glucose concentration through calibration. A fixed voltage is supplied, and the resulting current after the blood is added is monitored. They include: a reference electrode, a counter electrode and a working electrode. The test strip features three electrodes which are printed into the test strips. The glucose meter shield functions by receiving blood sample through a one touch Ultra test strip and output the results on the Arduino IDE serial monitor window.
It is easy to use, the patient insert one of the disposable test strips into the meter, prick their finger, load a droplet of blood into the test strip, wait a few seconds and get an instant reading of the current blood glucose level.ĭesigned by M.Bindhammar, the aim of the project is to measure blood glucose level using electrochemical test strips. You can obtain the glucose meter at your local val pharmacy. The glucose meter plays a large part in effective control, as this provide patients with the ability to monitor blood glucose levels from the comfort of their homes. This project competed and won an award at the Assistive Technologies category of the 2016 Hackaday prize. This has led Markus Bindhammer to embark on an open source blood glucose meter shield project. This is why it is very important such illness should be diagnosed early for effective management, because if left untreated, it can lead to heart disease, kidney damage, nerve damage, and stroke. Diabetes affects the body’s ability to produce insulin, a hormone that enables the body to turn glucose into sugar which has resulted to a large number of deaths, an estimate of 1.6 million deaths yearly caused by the illness. Diabetes is a serious disease that affects millions of people around the world today.
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