Tag "schmitt-trigger"

Smartmeter pulse counter (1)

Endesa has recently updated my home energy meter to meet new UE and Spanish regulations. The new meter it’s a smartmeter by Meters and More and it basically provides the means to perform remote meter readings and supply changes. The goal of the new regulation is to provide better and more accurate information to final customers regarding their energy consumption habits to promote energy efficiency and saving. The reason I’m writing about this is that the meters has two communication ports on the front side, an I/O optical port with unknown protocol and a simple LED labeled “4000 Imp/KWh”....