creator of eco-friendly insect repellent First Saturday Lime. While manufacturers of ultrasonic pest control devices claim they are effective against a variety of tiny home invaders, the science ...

If you want to keep mosquitoes away from your deck or patio without having to slather your skin in bug repellent ... have unanimously denounced ultrasonic devices as having no repellency value ...

Use ultrasonic devices that emit sounds annoying to birds ... or their eggs can have legal implications. Apply non-toxic bird-repellent gels or liquids on roofs, ledges, porch railings, and ...

For [Jianjia Ma]’s QingStation, he decided to build another type of wind sensor: An ultrasonic anemometer. Ultrasonic anemometers have no moving parts but come at the cost of significantly more ...

Learn More › Project Overview Wild hogs are invasive in many parts of the U.S. and can cause significant damage to a property ...

In the video after the break, [Eduardo] demonstrates his extremely simple setup for using ultrasonic transducers for one-way data communication. Powered by a pair of Arduinos and using transducers ...

Or perhaps the sound of birds chirping relaxes you? Placing a bird feeder in your yard can make enjoying feathered friends much easier. Bird feeders also make terrific gifts for grandparents or ...

bird repellent gel and ultrasonic bird deterrent devices to scare the birds away. “We are taking various measures to stop birds from roosting in stations, which bother people. We ask that subway ...

deer repellent lights are only effective at night. Like electronic devices, ultrasonic deer repellers need a power source. Most often the source is either batteries or built-in solar power.

bird baths, or creating a backyard pond can attract these predators, providing a natural and eco-friendly way to reduce mosquito numbers. Several outdoor mosquito repellent devices are available on ...

Ultrasonic transducers send and receive waves for many types of sensing. They convert energy into high frequency sound waves in the ultrasonic range. These sound waves are then focused on a target and ...

You may have seen ads for ultrasonic mosquito repellent devices, which supposedly emit sounds that irritate or scare away the bugs. Organizations including the Federal Trade Commission and the ...