You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...

With over 10 years’ experience writing about consumer affairs, Sarah leads on energy content at Which?, helping customers navigate the market and exposing poor practice. A prepayment meter can be a ...

Abstract: The electromagnetic field (EMF) measurements, in the bioelectromagnetics, are usually performed in the near-field. It is shown that the near-field conditions may be expected everywhere. It ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Air quality infamously drops as the days grow cold and we ...

NOTE: As of march of 2021, the source code for EMF Transaction is now hosted on GitHub at https://github.com/eclipse/emf-transaction. If you have Git clones which ...

High Performance HF Power meter using Arduino and a Directional Coupler This device can measure power over a wide dynamic range from 10uW to 1 KW and will derive SWR for a 50 Ohm load The front end ...

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Abstract: Compared to the preceding generations networks to attain fast data transfer and high data rates, the 5G wireless communication has deployed in many countries. The access point's raising ...