Contactless Motion Detection Solution With Integrated Switch From NJR
Low-Cost Simple Radar Module
New Japan Radio (NJR) has developed a low-cost simple radar module to detect motion and to be used as contactless switch.
The module NJR4266A3 has a special short-distance algorithm to detect at around 50cm. There are also versions with 7m and more available. It can be used immediately and comes with integrated antenna, RF circuit, MCU and voltage regulator.