This is a simple electronic mosquito repellent circuit which produces ultrasound of frequency 20-38 kHz and scare away mosquitoes from home. The basic idea behind developing the circuit is to use a ...

The circuit was designed to repel any form of insect using complimentary metal-oxide semiconductor or known as CMOS. A basic mosquito repellent is an oscillator that produces repetitive electronic ...

Are you a magnet for mosquitos? This innovative super shield will keep away those pesky critters. Stay bite-free while also being eco-friendly with the Super Shield Mosquito Repellent Electronic Watch ...

Live in a place where mosquitoes harass you to no end? Maybe you want to take a break from the chemical repellents! Try driving away mosquitoes with ultrasonic waves. I had seen them on mobile phones ...

One of the world's top advertising awards went this year to a campaign in which a radio station broadcast ultrasound along with its programmes to repel mosquitoes. But does it work? Definitely not, ...

A study on the use of electronic mosquito repellents failed to find any evidence that they work. Electronic mosquito repellents — buzzing devices marketed to prevent malaria — don’t prevent bites and ...

Electronic mosquito repellents don’t prevent bites and therefore don’t prevent disease transmission, according to a new study. “EMRs should not be manufactured, advertised or used for mosquito bite ...

A Cochrane Systematic Review of the use of electronic mosquito repellents (EMRs) failed to find any evidence that they work. The researchers therefore say that there is no reason for recommending ...