How to choose the best sensor?

Current sensors and transformers convert large currents into small currents of the same frequency and in phase to facilitate measurement or isolation. According to different transformation principles, there are generally current sensors/transformers based on electromagnetic induction principl

PoE power supply knowledge can carefully read this one

In recent years, the development momentum of PoE power supply technology has become stronger and stronger. With a series of advantages such as simplifying the installation and deployment of power equipment, energy saving, and safety, PoE power supply has become the new favorite of wireless co