Smart meters set off revolution, Meixin integrates SoC

Electronic enthusiasts news: In recent years, people have paid more and more attention to energy, energy saving has become the focus of everyone. With the advancement of technology and the support of national policies, smart grids have rapidly become a hot topic in the past fe ......

How to design a low-cost HART transmitter

Using the addressable remote sensor data path (HART) protocol, process measurement and control devices can communicate via traditional 4-20mA current loops. This protocol uses frequency shift keying (FSK) at frequencies of 1200 Hz and 2200 Hz. Here, one 1200 Hz period represen ......