How many nine sensors are hidden behind the wearable medical device?
Currently, the most common technique for collecting body movement data is to calculate the number of steps. This technique was first used on pedometers and now also provides consumers with data sources. In addition to the change in shape – from the belt clip to the bracelet, most staging devices need to add other functions to detect other indicators of the body. There are thousands of sensors on the market, and there will be more and more. Now, engineers are using sensors to detect and measure heart rate, sweat, temperature, sleep, reproductive health, calories, GPS coordinates, blood pressure, UV and glucose levels. So, what are these sensors used for, and which products will they be used for? Foresee what happens, please see below for decomposition.
Heart rate
There is a simple type of hardware called PPG that measures blood beats under the skin. It works by placing a light sensor next to the green light. When the blood pulse under your skin changes the brightness of the light sensor, the change in brightness is the heartbeat signal. This hardware is simple, but the data is not accurate enough. You only need to swipe your hand over the sensor to pretend to be a heartbeat. Therefore, wit software developers have added some features to make this sensor get the most accurate data. This type of hardware also uses smart watches, FitBit, Microsoft Brace 2 and so on. If you see a green light on your wearable device, don't be afraid, it's just a heart rate sensor.
Measuring heart rate is important because it can tell you a lot about overall health. If your heart beats too fast for your age and weight range, it may mean that some organs in your body are not functioning properly. In pursuit of a healthy life, in addition to fitness and attention to diet, there is also a stress-free lifestyle brought by a healthy heart.
Sweat
Sweating is the way the body cools and releases toxins, so for those who are interested in all types of human data, sweat is the treasure chest. The skin electrical sensor detects molecules in your sweat. The sensor sends a small current to the pores, and when you sweat a lot, the signal returns faster than when you don't sweat. The sensor basically analyzes the sweat and tells you about your body. For example, if you drank a lot of wine this weekend, sweating this morning to catch a car, you will be surprised to find that your sweat will reveal the secret of your weekend indulgence.
temperature
When combined with heart rate and sweat sensors, temperature sensors can reveal a lot of information about a person, first and foremost their emotions. This type of computational data is generally used in emotional computing, especially in games. The idea is that the computer can know your emotions and respond appropriately. If you feel depressed, your skin may become sticky, your heart rate will increase very slightly, and your body temperature will rise. After remembering these data points, the computer will let you go for a walk and breathe fresh. air.
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