Using this circuit, audio musical notes can be generated and heard up to a distance of 10 metres. The circuit can be divided into two parts: IR music transmitter and receiver. The IR music transmitter ...

This infrared transmitter can be used with this infrared receiver. This transmitter uses. The modulated signal is produced by comparison of an audio signal with a triangle signal of high frequency ...

New tech will charge multiple devices in a room, via transmitters that will one day hide in your light fixtures. Jessica Dolcourt VP, Content Operations and Commerce, CNET Group and CNET Labs Jessica ...

If your up for starting a quick little project, Hardware Secrets can show you how to build your own IR transmitter for the PC. As the article clip states, if you can use a solder iron, you can build ...

Most consumer remote controls operate using infrared light. This works well assuming the piece of equipment has a line of sight to the remote. But if you have, say a receiver in a cabinet or closet, ...

Mohsen Kavehrad, professor of electrical engineering and holder of the W. L. Weiss (AMERITECH) chair, says, "Line-of-sight or point-to-point infrared signal transmission, which is used, for example, ...

[Peter]’s folks’ cable company is terrible – such a surprise for a cable TV provider – and the digital part of their cable subscription will only work with the company’s cable boxes. The cable company ...

Wireless charging has liberated some users from requiring cords and outlets, but the technology comes with limits, as devices must be within close proximity to RF-based or magnetic-induction wireless ...

The Rocketfish Rocketboost RF-RBUSB RF-RBREC Wireless Audio is a wireless platform that allows for uncompressed audio (48kHz, 16bit/24bit) distribution around the home. Almost everyone can appreciate ...

The UCS 504 kit supports switching up to six USB room devices, with one that supports rates up to USB 10Gbps, and five that ...