Small sensors have many practical applications covering every industry.

Small sensors have many practical applications, covering almost every industry, and almost every industry is now turning to smaller equipment dimensions, resulting in smaller and smaller sensors. This paper introduces three common micro-sensors, biosensors, barometric sensors and accelerometers, and their practical applications. Now, Hefei Lixin Sensing Technology Co., Ltd. believes that with the continuous reduction of electronic products, these three sensors are showing a trend of miniaturization and low power consumption.

Although many sensors are miniaturized in structure (for example, using reduced silicon feature size), others (for example, sensors designed by IBM researchers) use artificial intelligence and wireless technology to process sensor readings from wearable devices such as Apple smart watches.

Finger grip is a good index to measure diseases such as Parkinson's disease, and the fingertip strength of these diseases needs a small strain gauge connected to the nail. This strain gauge reading is wirelessly sent to Apple smart watch, where artificial intelligence software processes the data from the watch to determine the correlation.

One of the obstacles to attaching electronic devices to the skin is stickiness (excessive stickiness between the sensor and the skin is not good for many reasons), but the use of nails solves these problems.

Another advantage of replacing skin with nails is that most diseases such as Parkinson's disease occur in the elderly whose skin is too fragile to be reliably connected with sensors. Using artificial intelligence, sensors can not only record information, but also identify the environment where the person wearing the sensor is located. Combining sensor data with artificial intelligence, we can detect minor changes in nail defects, such as involuntary movement and gradual decline in strength.

The world's smallest barometric pressure sensor

The barometric sensor can be said to be the smallest barometric sensor in the world, with a size of 1.8 mm and a height of 0.45 mm.

The sensor based on metal oxide technology can not only detect all kinds of gases, but also detect only inches of gases including but not limited to carbon dioxide, carbon monoxide, methane, benzene series and nitrogen dioxide.

Air pressure sensor is a metal oxide device with the lowest energy consumption, the most reliable and the lowest manufacturing cost in the market. These characteristics make it suitable for mass production of mobile phones and Internet of Things applications, and enable daily users to better monitor the surrounding environment through smart phones.

This integration of sensor technology has obvious advantages for engineers and workers in industrial applications, but the act of integrating sensors into everyday smart phones may change the rules of the game in terms of personal safety. Users can use the smart phone as a backup smoke detector in case the main detector fails, or as a portable gas leakage alarm device.