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Results tagged with wireless
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user 57319
Using other than a wired connection to transfer signals or power. Includes optical and (ultra)sound, but most often refers to RF (Radio Frequency). Distances can be as low as centimeters (e.g. RFID); there's no upper limit.
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Can you have "directional" wireless power transmission (to power an LED)
My idea was to use "wireless power transmission" (because I don't want to put a battery in the object) and then control the direction of the field to dictate which LED lights up (similar to a "biderectional …
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