2-square-millimeter sensor has promising prospects in the IoT era

Original title: Can a tiny sensor accelerate the arrival of the IoT era?

The Internet of Things is no longer a new term, but to truly enter this era, there is still a long way to go, and in the process, the battery problem remains a major challenge. You have to know that these devices are small to begin with, and they also contain many power-consuming components, so their battery life naturally falls short.

However, a new solution to this problem has recently emerged. Researchers in the Netherlands have invented a new type of sensor that is only 2 square millimeters in size and does not need to be powered by a battery or wires. It can use radio waves to power itself, which is quite remarkable, and it is called a "micro wireless temperature sensor."

It is reported that the antenna built into this sensor can obtain power through a router. Once it gets enough power, it can operate normally, such as powering on, measuring temperature, and sending signals to the router. Because it requires no power supply and is extremely small, the sensor can be embedded under paint, plastic and concrete without worrying about issues such as running out of power.

However, the sensor's current effective operating range is still very small, at less than 1 inch, so for the time being it cannot yet be put into practical use. But since this step has already been taken, it is believed that with the efforts of researchers, this micro wireless temperature sensor will play a major role in the future and is expected to accelerate the arrival of the IoT era.