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Groups > comp.arch.embedded > #13585

Re: 3.5-6 inch TFT display with touch screen

From Don Y <this@isnotme.com>
Newsgroups comp.arch.embedded
Subject Re: 3.5-6 inch TFT display with touch screen
Date 2013-09-14 12:45 -0700
Organization Aioe.org NNTP Server
Message-ID <l12ec6$log$1@speranza.aioe.org> (permalink)
References <l10v8d$4el$3@dont-email.me> <l1232a$le7$1@speranza.aioe.org> <294cf70d-4c17-465f-a82c-ad7a96b24d17@googlegroups.com>

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Hi Edward,

On 9/14/2013 11:15 AM, edward.ming.lee@gmail.com wrote:
>> Here (prototype quantities), I opted for some surplus PDAs to
>> fit that role (4" dia) with BT & WiFi to give me the connectivity
>
> Which is the wrong radio for us.  We need the third radio (802.15.4:
> de facto standard for metering).

In my case, the "display" is talking to "The System" -- so, I can opt
for any convenient means of connecting the two.  As I already use BT,
this was a much better choice than, e.g., ZigBee.

>> I needed (I wanted a handheld solution).
>
> We also want handheld, but with charging more like a cordless phone.
> Basically, something that can just drop in a wall-mounted box for charging.

Yes, you can charge these in a "cradle" -- which is how they are
typically used when *not* being held in the hand (i.e., like a
very small "console" on a desktop, counter, etc. -- that just
*happens* to also be portable so you can lift it out of the cradle
and walk around while interacting with it).

Of course, if you are *actively* walking around, then a visual
interface is less than desirable... (you need your eyes to see
where you are walking!)

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Thread

3.5-6 inch TFT display with touch screen pozz <pozzugno@gmail.com> - 2013-09-14 08:21 +0200
  Re: 3.5-6 inch TFT display with touch screen Glenn <glenn2233@gmail.com> - 2013-09-14 12:17 +0200
    Re: 3.5-6 inch TFT display with touch screen Mike Perkins <spam@spam.com> - 2013-09-14 12:26 +0100
      Re: 3.5-6 inch TFT display with touch screen edward.ming.lee@gmail.com - 2013-09-14 06:04 -0700
        Re: 3.5-6 inch TFT display with touch screen Mike Perkins <spam@spam.com> - 2013-09-14 14:14 +0100
          Re: 3.5-6 inch TFT display with touch screen edward.ming.lee@gmail.com - 2013-09-14 06:33 -0700
          Re: 3.5-6 inch TFT display with touch screen Andrew Smallshaw <andrews@sdf.lonestar.org> - 2013-09-14 21:22 +0000
            Re: 3.5-6 inch TFT display with touch screen Mike Perkins <spam@spam.com> - 2013-09-14 22:56 +0100
              Re: 3.5-6 inch TFT display with touch screen edward.ming.lee@gmail.com - 2013-09-14 21:43 -0700
        Re: 3.5-6 inch TFT display with touch screen Paul Rubin <no.email@nospam.invalid> - 2013-09-14 09:07 -0700
  Re: 3.5-6 inch TFT display with touch screen Tim Wescott <tim@seemywebsite.please> - 2013-09-14 09:55 -0500
  Re: 3.5-6 inch TFT display with touch screen Don Y <this@isnotme.com> - 2013-09-14 09:32 -0700
    Re: 3.5-6 inch TFT display with touch screen edward.ming.lee@gmail.com - 2013-09-14 11:15 -0700
      Re: 3.5-6 inch TFT display with touch screen Paul Rubin <no.email@nospam.invalid> - 2013-09-14 11:46 -0700
        Re: 3.5-6 inch TFT display with touch screen edward.ming.lee@gmail.com - 2013-09-14 11:51 -0700
          Re: 3.5-6 inch TFT display with touch screen pozzugno@gmail.com - 2013-09-16 02:33 -0700
            Re: 3.5-6 inch TFT display with touch screen edward.ming.lee@gmail.com - 2013-09-16 07:49 -0700
      Re: 3.5-6 inch TFT display with touch screen Don Y <this@isnotme.com> - 2013-09-14 12:45 -0700
    Re: 3.5-6 inch TFT display with touch screen pozzugno@gmail.com - 2013-09-16 02:30 -0700
      Re: 3.5-6 inch TFT display with touch screen Don Y <this@isnotme.com> - 2013-09-16 03:00 -0700

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