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Re: Splitting Infrared with 3.5mm splitters ?
Aha - thanks !
Chris
Keith Doxey wrote:
>>Interesting ... our ancient hi-fi IR transceivers have three IR
LEDs
>>seemingly in-series behind their red panels ... not sure why ...
>>
>>
>>
>
>To increase the IR output. By putting them in series the current will
be
>less.
>
>3 LEDs in series driven at 100mA = 100mA
>
>3 LEDs in parallel driven at 100mA each = 300mA
>
>You need a higher drive voltage with series LEDs but older remote
controls
>tended to have 4 batteries giving a 6V supply whereas modern remotes
tend to
>have only a 3v supply.
>
>Efficiency of both IR emitters and IR receivers has also improved over
the
>years.
>
>HTH
>
>Keith
>
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