I believe that people who understand smart wear must have an understanding of the built-in sensors, just like optical heart rate sensors. The popularity of optical heart rate sensors reduces the cost of heart rate monitoring, and we see more and more in smart wearable equipment. Its figure.
Nowadays, mobile electronic technology is developed, and many electronic products such as smart sports watches, smart phones, tablet computers and other mobile devices are developing rapidly, and the support of various sensors is indispensable. For example, acceleration sensors, temperature and humidity sensors, environmental sensors, gyroscopes, etc. have all played their roles in these electronic consumer products. In fact, temperature and humidity sensors also have good applications in them.
If you know smart wear, you should be familiar with the built-in sensors, such as the optical heart rate sensor that everyone is very familiar with. It is precisely because of the popularity of optical heart rate sensors that the cost of heart rate monitoring has become lower, and we also It is seen in more and more smart wearable devices. So in addition to the common heart rate sensors, what other sensors are hidden inside smart wearable devices? And how do they function? Today we will analyze
Accelerometer
Among the sensors of the smart bracelet, the motion sensor is the most basic. It includes an acceleration sensor, a gyroscope, an electronic compass sensor, an atmospheric pressure sensor, etc. Among them, the acceleration sensor and the gyroscope should be two familiar to everyone. By measuring the direction and Acceleration force determines whether the device is moving, so as to achieve the purpose of step counting, and through the collected data to match the type of exercise the user is doing, and then monitor the user's number of walks, calorie consumption, etc., to achieve the most basic functions of the smart device.
Temperature and humidity sensor
The temperature and humidity sensor is integrated in the smart watch to display the outdoor temperature and humidity value in real time, so that the user can understand the climate status. At present, the main reason hindering smart watch manufacturers from adopting temperature and humidity sensors may not come from the sensors themselves. How to transform it into beneficial information for watch users has become the key to the application. In Japan, application development for temperature and humidity sensors has been at the forefront.
The future temperature and humidity sensor market has broad prospects, especially in the fields of consumer electronics and the Internet of Things. Many large international companies have already noticed this. How to develop suitable applications has become the key here. This requires temperature and humidity sensor manufacturers to carefully analyze their customer groups and propose the best solutions.
Barometric pressure sensor
Everyone should be familiar with the air pressure sensor. It can measure the air pressure at the user's location to calculate the altitude. It is commonly used in sports watches or bracelets. It can calculate the location of the location through the weak air pressure changes during exercise. Altitude changes, while the accuracy can be controlled within 10CM during the height movement of a 10-story building. Data from climbing to climbing stairs can be monitored. It is also one of the indispensable sensors in professional sports watches.
Optical heart rate sensor
The optical heart rate sensor is the most commonly used heart rate monitoring device for smart bracelets. When the capacitive light shines on the skin, the light reflected back through the skin tissue is received by the photosensitive sensor and converted into an electrical signal, and then converted into a digital signal through the electrical signal. Heart rate can be measured by the light absorbance of, and with the continuous reduction of costs, optical heart rate sensors have become one of the most popular sensors in smart wearable devices.
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