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 ...

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 ...

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, ...

We may receive a commission on purchases made from links. Most TV and device remotes have a limited range. Not just that, but generally, they'll only work reliably at a certain angle. That means your ...

Wi-Charge was at the Consumer Electronics Show to demonstrate its AirCord Technology for long-range wireless power transmission. Wi-Charge’s patented light-based wireless power supply technology ...