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Forum Index : Microcontroller and PC projects : PicoTab teaser

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matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 11384
Posted: 02:27pm 28 May 2026
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matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 11384
Posted: 02:29pm 28 May 2026
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PhenixRising
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Joined: 07/11/2023
Location: United Kingdom
Posts: 1929
Posted: 03:29pm 28 May 2026
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Suggest Bsp instead of BS unless it's a shortcut to my code
 
Volhout
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Joined: 05/03/2018
Location: Netherlands
Posts: 5891
Posted: 04:53pm 28 May 2026
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No number keys?
Function keys after pressing Fn I asume?

But it looks Nice and compact. Could replace your picocalc design when touch works well enough.
If you need not redraw the keys often you could even put real artwork. Maybe you can find hires scans of Casio FX720 or similar.

Volhout
Edited 2026-05-29 03:00 by Volhout
PicomiteVGA PETSCII ROBOTS
 
matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 11384
Posted: 05:02pm 28 May 2026
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  Quote  If you need not redraw the keys often you could even put real artwork.

Problem is the keypad scales to the resolution so it will even work in 320x240, numbers are on the sym(bol) toggle. I'm just deciding whether these should toggle shift, sym and ctrl should toggle like a lot of on-screen keyboards or use multi-touch.

PS. The final S/W will be a bluetooth host/usb/hdmi build so you can select between the onscreen keyboard, physically connected usb keyboard or a bluetooth keyboard. S/W for this will be released next week. I'm assuming any of the cheap HDMI 1024x600 screens 7" or 10" will work as long as they have the USB touch capability. The frequency will be fixed (252MHz) which should allow me to run 1024x600, 512x300, 640x480, 320x240 all as modes available without reboot
Edited 2026-05-29 03:09 by matherp
 
matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 11384
Posted: 09:22am 29 May 2026
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Videos:
https://youtu.be/lrpX17DAZkQ
https://youtu.be/8BSQiHhAZMc
Demo running 1024x600 with font 3. Switching to mode 3 for the gui demo (512x300).
Apologies for the dithering and video quality
Edited 2026-05-29 19:34 by matherp
 
Amnesie
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Joined: 30/06/2020
Location: Germany
Posts: 754
Posted: 04:04pm 29 May 2026
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Peter,

this is so cool! Now it is even more "stand-alone" and self stustained! Not even a real keyboard needed! Wow!

Greetings
Daniel
 
Peter63
Senior Member

Joined: 28/07/2017
Location: Sweden
Posts: 184
Posted: 04:15pm 29 May 2026
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Jepp,  
 
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