When wired networking or data connections can’t be made, for reasons of distance or practicality, various wireless protocols ... to a simple analog modulator circuit, which takes an audio ...

They’re basically wearable circuit boards ... Add a BLE chip, and you’ve got wireless data transfer to your phone or tablet for further data processing.

There are similar transmit and receive circuits powering the ... s mirror—require other wireless data protocols. Gentex Solace RC2 wireless power transfer can also be an excellent means of ...