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How to Assess Electromagnetic Radiation from Mobile Phone Towers

EFY Bureau
Electromagnetic radiation from mobile phone towers is a subject of utmost importance and requires a deep understanding of assessment methods of electromagnetic radiation from...

What is a Community Radio Station & What are the Prerequisites for Owning One?

EFY Bureau
Community radio station (CRS) or community radio (CR) is another type of radio broadcasting service. There are several subtypes of radio broadcasting: commercial, noncommercial...

Designing Wireless Gas Detection and Monitoring Systems

EFY Bureau
Prof Dr Dogan Ibrahim of the Near East University in Cyprus describes the basic principles of gas sensors and shows how a wireless gas...

Multiple Appliances Keypad Control

EFY Bureau
This multiple appliance keypad control circuit employs DTMF technique to switch on/off up to ten appliances. It can be modified to operate up to...

Intruder Radio Alert System

EFY Bureau
Consider a situation where a burglar has entered your house and snapped the telephone wires, leaving you with no means of communication with the...

Phone Broadcaster

EFY Bureau
Here is a simple yet very useful phone broadcaster circuit which can be used to eavesdrop on a telephone conversation. The circuit can also...

Everything You May Like To Know About Infrared Water Faucets

T.K. Hareendran, Electronic Design Freelancer, AspenCore
Infrared (IR) water faucets (touch-free faucets) look modernistic, and can significantly increase the style level in a luxurious bathroom. Nowadays, IR water faucets are...

Does Your Car Have A Driver’s Licence

Eben Efyian
People are, on average, terrible drivers. How do you solve this problem? Do not let them drive or put a machine in its place? Self-driving...

How To Select The Right Wi-Fi And RF Modules

EFY Bureau
When it comes to throwing data over the air, there are many options. If you are confused about which wireless technology is best for...

Antenna Polarisation

JAIRAM SANKAR
Antenna polarisation (or polarization) is a very important consideration when choosing and installing an antenna and can mean as much as a 20db in...
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