Digital modulation has a lot to answer for. Although the spectral efficiency of communications systems has improved, many signals resulting from digital modulation have significant power variation. In ...

The government should require power companies to provide clear visual displays when they install smart meters in homes, says a report. All houses are set to have ...

The project was based on a PIC16F877A microcontroller for the basic purpose of encouraging radio amateurs to build their own SWR meter at a very cheap price compared to high-priced ready made. Two ...

Fortunately, if you’ve ever needed to test the voltage on your USB-C devices, there is a tool for you. There are quite a few USB-C voltage meters on the market, including one from one of my favourite ...

Smart meters installed by renewable-energy supplier Bulb have been showing customers incorrect figures for energy consumption due to a fault with their displays, MoneySavingExpert.com can reveal. Bulb ...

WHEN Lesley James checked her smart meter as usual one morning, she was surprised to see a blank screen staring back at her. She was no smart meter obsessive, but had got used to checking in on her ...