[Robotgroup] LCD display info needed

[Leslie Filip]

Vadim,

You are correct about the remote control as this is already on the  
drawing board. Smart man. Also, it indeed looks like taking apart  
retail units is by far the cheapest solution.

Economy of scale is a weird thing. Even as a regular buyer of large  
amounts of wood at "wholesale" prices, I could get the wood  
significantly cheaper by buying finished goods at IKEA and sawing  
them apart. The same is true with the tempered glass shelves they  
sell. Also, back when I was in the business of selling Cokes and  
snacks in vending machines, I would have had to buy (direct from Coca- 
Cola) three 18 wheelers full of a single flavor of soda and pay cash  
just to MATCH the price that Sam's had them for when you bought a  
single case. In each business, the path to getting into the big  
leagues was always a secret, and there seemed to be no conceivable  
way of ever achieving success through hard work and determination.

Thanks to everyone who responded to my original question.

Les


On 29 Apr 2007, at 11:45 AM, vkonradi at swbell.net wrote:

> $150 for 13" LCD TV with NTSC composite and SVGA inputs at  
> Walmart.  Hard
> to beat the economy of scale if it will work for you.
>
> The stuff at earthLCD looks roughly analogous, but at 2x the price  
> + power
> supply + bezel.  Its that darned economy of scale thing going on.
>
> Remote control input seems initially superfluos, but on second thought
> maybe not.  One can intercept the output of the IR receiver in the  
> TV, push
> the remote button, scope the signal at the IR receiver, then use a
> microcontroller to mimic the control signal you want.  Useful for  
> initial
> setup, to put the unit in a particular mode under processor  
> control.  Hey,
> that might be a good demo for tech night!
>
> -Vadim
>
> At 09:29 PM 4/27/2007, you wrote:
>> Hello everyone,
>>
>> I need to find a source for 7" and 15-19" color LCD monitors that
>> have composite and/or s-video inputs. I do not need enclosures or
>> cases, but could use the bezel that retail units come with. They can
>> run off 110v ac or battery/wall adapter dc, it doesn't matter. The
>> best I have come up with is to purchase off-the-shelf units and take
>> them apart. There has to be a better way of doing this. Any help
>> would be greatly appreciated.
>>
>> I will be needing 10 or more 7" units and an unknown number of larger
>> ones, but probably at least 2-4 for prototyping purposes.
>>
>> Thanks!
>> Les
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