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Tornadoboy

Converting real TI keyboard for less wires or being wireless

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I know adapters have been made to use PC USB keyboards, but has anyone come up with anything so one can use a real TI 99/4a keyboard remotely with less wires (maybe a phone cord) or just being outright wireless? 

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2 minutes ago, brain said:

Working on one for the 64, so I can look at what it'll take for the TI.

Awesome, let us know if you figure something out! I've got a 3D printer so I can probably come up with a case for it. 

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Thanks guys!

 

What I'm looking for is a way to connect an original TI keyboard remotely to an actual TI 99/4a, not a Raspberry Pi or PC. I've got a motherboard I built into a case so I could give it an AT power supply and build in some other mods and add on's, I made a half-ass 16 conductor cable but it's awkward and stiff, if I could reduce it down to like 4 wires or even wireless it would be a big improvement. Sure I could (and probably will) build Jedi's USB keyboard adapter and use a PC keyboard but I'd like to be able to use the original. 

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Thanks guys!
 
What I'm looking for is a way to connect an original TI keyboard remotely to an actual TI 99/4a, not a Raspberry Pi or PC. I've got a motherboard I built into a case so I could give it an AT power supply and build in some other mods and add on's, I made a half-ass 16 conductor cable but it's awkward and stiff, if I could reduce it down to like 4 wires or even wireless it would be a big improvement. Sure I could (and probably will) build Jedi's USB keyboard adapter and use a PC keyboard but I'd like to be able to use the original. 
I bounced back and forth for a while ... I landed on keeping the original innards. I actually really like the keyboard as well. So here's a thought. Use Jedimatt's USB external and Matt Epler's USB. Create a nice wooden case for the keyboard. Paint silver metallic on top. Black on bottom. Bam!

Sent from my SM-G955U using Tapatalk

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1 hour ago, Mehridian Sanders said:

I bounced back and forth for a while ... I landed on keeping the original innards. I actually really like the keyboard as well. So here's a thought. Use Jedimatt's USB external and Matt Epler's USB. Create a nice wooden case for the keyboard. Paint silver metallic on top. Black on bottom. Bam!

Sent from my SM-G955U using Tapatalk
 

I like your thinking! :D

Will that really work though? Won't the mapping be messed up as Jedi's board is expecting to convert a regular PC keyboard's output? Even if that's the case it's probably not much that would need to be tweaked in the code. 

Edited by Tornadoboy
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4 hours ago, Tornadoboy said:

I like your thinking! :D

Will that really work though? Won't the mapping be messed up as Jedi's board is expecting to convert a regular PC keyboard's output? Even if that's the case it's probably not much that would need to be tweaked in the code. 

Well, I was making the Teensy 2.0 conversion but decided that restoring the glory would be much better.  I can say that I got almost all of the keys working. A through Z, 1 through 0, Enter and Space all worked. I can send you my code IF you intend on using the Teensy 2.0, or you can get the majority of it from M. Eplers conversion (he used the Teensy 2.0++). Code will depend on the controller you use, and what wires go where. The output on the Teensy works like a USB port connected anything. As with all things, it's in the code. As the Teensy will be outputting USB Keyboard commands, the JediMatt conversion for an External keyboard "should" work. I have not researched that kind of Double Conversion. I do believe the theory to be sound, though. Heck, please prove me wrong. Either way, seems like a bit of work. 

 

My primary job is debugging and testing "It should work" components.

(Ironically JediMatt42, Matt Epler, and lil' ole me. 3 MATT'S!!!)

Edited by Mehridian Sanders
clarity
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I'm halfway there, since I now have the Bluetooth keyboard to a PC working.  Now, I need to get the Bluetooth "PC" to a Bluetooth KB working.  THen, it'll jsut be fixing up mappings.

 

My goal is exactly this, to create a remote classic KB that connects to a classic system (and optionally allows the continued use of the attached KB).  I'm using esp32 units for both sides, as the esp32 has a port of the BlueKitchen BTStack with host and dev code (sample code even).

 

And, I did the same thing with PS/2 back in the day (C64 KB to PS/2 to PS/2 to C64 KB port.  It worked fine.  So, I don't see this being an issue.

 

Just need to take a bit of time to get the BT Host code sample working.

 

TI and TANDY and 64 will be trivial (that's just matrix mappings.)

 

Jim

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