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tech / sci.electronics.design / Maybe an alternative to small OLED displays on equipment

Maybe an alternative to small OLED displays on equipment

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From: pNaonStp...@yahoo.com (Jan Panteltje)
Newsgroups: sci.electronics.design
Subject: Maybe an alternative to small OLED displays on equipment
Date: Sun, 24 Jul 2022 10:04:21 GMT
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by: Jan Panteltje - Sun, 24 Jul 2022 10:04 UTC

Re: Maybe an alternative to small OLED displays on equipment

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Subject: Re: Maybe an alternative to small OLED displays on equipment
From: gnuarm.d...@gmail.com (Ricky)
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by: Ricky - Mon, 25 Jul 2022 16:22 UTC

On Sunday, July 24, 2022 at 6:15:07 AM UTC-4, Jan Panteltje wrote:
> Maybe an alternative to small OLED displays on equipment
> https://www.tomshardware.com/reviews/pimoroni-tufty-2040
> so this is an LCD... no burn in?
>
> out of stock ATM of course...
> I like it

It's really small. I mean, I'd have to use glasses, AND a monocle to look at this display. 2.4"??? That's not even the size of a pack of cigarettes.. At least it's bigger than a pack of matches. I love the description, "svelte form factor", meaning "friggin' tiny"!

Not quite small enough to embed in one of the larger BGA packages. Now that's something I'd like to see, an FPGA with an LCD display built in for debugging. It would need the USB C connector for the keyboard, of course. Not sure how best to connect the flash disk.

I don't recall, does the 2040 have flash on chip? The board has 8 MB of external flash. That would allow it to host a Forth compiler, so it would be self contained.

Rick C.

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Re: Maybe an alternative to small OLED displays on equipment

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Subject: Re: Maybe an alternative to small OLED displays on equipment
From: langw...@fonz.dk (Lasse Langwadt Christensen)
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by: Lasse Langwadt Chris - Mon, 25 Jul 2022 16:42 UTC

mandag den 25. juli 2022 kl. 18.22.46 UTC+2 skrev Ricky:
> On Sunday, July 24, 2022 at 6:15:07 AM UTC-4, Jan Panteltje wrote:
> > Maybe an alternative to small OLED displays on equipment
> > https://www.tomshardware.com/reviews/pimoroni-tufty-2040
> > so this is an LCD... no burn in?
> >
> > out of stock ATM of course...
> > I like it
> It's really small. I mean, I'd have to use glasses, AND a monocle to look at this display. 2.4"??? That's not even the size of a pack of cigarettes. At least it's bigger than a pack of matches. I love the description, "svelte form factor", meaning "friggin' tiny"!
>
> Not quite small enough to embed in one of the larger BGA packages. Now that's something I'd like to see, an FPGA with an LCD display built in for debugging. It would need the USB C connector for the keyboard, of course. Not sure how best to connect the flash disk.
>
> I don't recall, does the 2040 have flash on chip? The board has 8 MB of external flash. That would allow it to host a Forth compiler, so it would be self contained.
>

only RAM and small bootrom that loads code from the external flash in to ram at boot

Re: Maybe an alternative to small OLED displays on equipment

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Subject: Re: Maybe an alternative to small OLED displays on equipment
From: gnuarm.d...@gmail.com (Ricky)
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by: Ricky - Mon, 25 Jul 2022 16:52 UTC

On Monday, July 25, 2022 at 12:43:00 PM UTC-4, lang...@fonz.dk wrote:
> mandag den 25. juli 2022 kl. 18.22.46 UTC+2 skrev Ricky:
> > On Sunday, July 24, 2022 at 6:15:07 AM UTC-4, Jan Panteltje wrote:
> > > Maybe an alternative to small OLED displays on equipment
> > > https://www.tomshardware.com/reviews/pimoroni-tufty-2040
> > > so this is an LCD... no burn in?
> > >
> > > out of stock ATM of course...
> > > I like it
> > It's really small. I mean, I'd have to use glasses, AND a monocle to look at this display. 2.4"??? That's not even the size of a pack of cigarettes. At least it's bigger than a pack of matches. I love the description, "svelte form factor", meaning "friggin' tiny"!
> >
> > Not quite small enough to embed in one of the larger BGA packages. Now that's something I'd like to see, an FPGA with an LCD display built in for debugging. It would need the USB C connector for the keyboard, of course. Not sure how best to connect the flash disk.
> >
> > I don't recall, does the 2040 have flash on chip? The board has 8 MB of external flash. That would allow it to host a Forth compiler, so it would be self contained.
> >
> only RAM and small bootrom that loads code from the external flash in to ram at boot

I get why the chip is so cheap now. Large flash takes up a lot of silicon.

Rick C.

+ Get 1,000 miles of free Supercharging
+ Tesla referral code - https://ts.la/richard11209

Re: Maybe an alternative to small OLED displays on equipment

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Subject: Re: Maybe an alternative to small OLED displays on equipment
From: langw...@fonz.dk (Lasse Langwadt Christensen)
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by: Lasse Langwadt Chris - Mon, 25 Jul 2022 17:15 UTC

mandag den 25. juli 2022 kl. 18.52.57 UTC+2 skrev Ricky:
> On Monday, July 25, 2022 at 12:43:00 PM UTC-4, lang...@fonz.dk wrote:
> > mandag den 25. juli 2022 kl. 18.22.46 UTC+2 skrev Ricky:
> > > On Sunday, July 24, 2022 at 6:15:07 AM UTC-4, Jan Panteltje wrote:
> > > > Maybe an alternative to small OLED displays on equipment
> > > > https://www.tomshardware.com/reviews/pimoroni-tufty-2040
> > > > so this is an LCD... no burn in?
> > > >
> > > > out of stock ATM of course...
> > > > I like it
> > > It's really small. I mean, I'd have to use glasses, AND a monocle to look at this display. 2.4"??? That's not even the size of a pack of cigarettes. At least it's bigger than a pack of matches. I love the description, "svelte form factor", meaning "friggin' tiny"!
> > >
> > > Not quite small enough to embed in one of the larger BGA packages. Now that's something I'd like to see, an FPGA with an LCD display built in for debugging. It would need the USB C connector for the keyboard, of course. Not sure how best to connect the flash disk.
> > >
> > > I don't recall, does the 2040 have flash on chip? The board has 8 MB of external flash. That would allow it to host a Forth compiler, so it would be self contained.
> > >
> > only RAM and small bootrom that loads code from the external flash in to ram at boot
> :(
>
> I get why the chip is so cheap now. Large flash takes up a lot of silicon..
>

lets them use a process optimized for logic so they can sell it for $1 in ones at Digikey,
and code in RAM can run at full speed, at the 133MHz flash needs waitstates
external spi flash is cheap, maybe $0.50 if you only buy one

Subject	Author
Maybe an alternative to small OLED displays on equipment	Jan Panteltje
Re: Maybe an alternative to small OLED displays on equipment	Ricky
Re: Maybe an alternative to small OLED displays on equipment	Lasse Langwadt Christensen
Re: Maybe an alternative to small OLED displays on equipment	Ricky
Re: Maybe an alternative to small OLED displays on equipment	Lasse Langwadt Christensen