RE: IR Question

[Stuart Whyte <lists@xxxxxxx>]

By range if you mean IR output range, I don't know, I have little IR
LED's
stuck on the front of my kit.

S.

> -----Original Message-----
> From: Dan [mailto:dtoma@xxxxxxx]
> Sent: 22 October 2002 15:23
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] IR Question
> 
> 
> Hi,
> 
> just another question (today it seems that I have a lot)....:-))
> 
> What is your range with your output interface? I see no 
> specific configuration for IR out (for strong pulse).
> 
> Dan
>   ----- Original Message ----- 
>   From: Stuart Whyte 
>   To: 'ukha_d@xxxxxxx' 
>   Sent: Tuesday, October 22, 2002 5:10 PM
>   Subject: RE: [ukha_d] IR Question
> 
> 
>   Dan,
> 
>   > I don't know your extender, but I have done it with
the Alcad 
>   > IR extender
>   > (through the mains version).
>   > If it is RF based, then is much more simple (no need
for opto 
>   > couplers).
> 
>   The extender I use is here: 
> http://www.geocities.com/nigelorr/ir_extend.html
> 
> 
>   > You can take the signal from the DTR pin and using a
single 
>   > transistor with
>   > the collector connected to the output of the IR
receiver IC 
>   > (TSOP 17xx or
>   > similar). This is all.
> 
>   Could you explain this a bit more? I'm looking to make the
> PC transmit to
>   the bus
>   > 
>   > Another simple posibility is to put a LED at the TxD
output 
>   > through a small
>   > resistor and a reverse diode(for protection) in the
front of 
>   > the extender
>   > receiver....then put IRM or infrared plugin in Tx
mode and.. 
>   > again this is
>   > all... is after you which way you choose.
> 
>   I really want to take the optical part out of the
equation
> 
> 
>   S.
> 
>  
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Franklin + Andrews is a business name of Franklin & Andrews Limited
(Registered in England No 4408389), whose registered office is at St Anne
House, Wellesley Road, Croydon, CR9 2UL 

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