Cheap USB GKOS, with Pro Micro.

[César Barreto]

Hi all, I set up a USB keyboard to GKOS one hand using some mouse buttons and pro micro arduino. 

If interested in pictures and scripts, I can upload them to the group. 

With very minor modifications of my authorship, the rest is all in on http://gkos.net/

Regards 

César.

P.D:

I wrote this with my gkos usb keyboard.

[PK]

gr8 work .. send pics pls .. and price too 

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Use own language . . its easy .. www.SimpleKeyboard.in

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[John]

It's been a while since I last looked at GKOS - but my original goal was to make a bluetooth enabled GKOS keyboard that you could stick to the back of your phone and type.  I previously made a USB wired GKOS keyboard using an Arduino Pro Mini.  However, the blocking issue was finding a cost effective BT module that supported the HID protocol (most of the inexpensive development BT modules seem to implement a serial port - maybe that's changed now?

However, I was looking at DX.com today and they have this for < $13 USD delivered:

http://www.dx.com/p/mini-handheld-rechargeable-bluetooth-3-0-49-key-wireless-keyboard-black-156970#.U88B2IBdVrU

This might make a good place to hack a GKOS keyboard - but I don't know how well it handles chording.  Might be worth a $13 experiment though...  :-)

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From: "PK" <pksharm...@gmail.com>
To: gk...@googlegroups.com
Sent: Monday, July 21, 2014 5:52:51 AM
Subject: Re: Cheap USB GKOS, with Pro Micro.

[John]

Ooh...  http://www.dx.com/p/tp-bcm730-hid-bluetooth-3-0-module-268987?tc=USD&gclid=CjwKEAjwl7ieBRCK2rCtqcCS7jESJACZKQFKvtFtI0cdG4LHKZ_iz0_HOZCeHC40Mq7RabajJsO1SRoCn9nw_wcB#.U88IC4BdVrU

Bluetooth HID module :-) for $6.

César - you should try and adapt your design for BT rather than USB :-)

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From: "John" <jdha...@comcast.net>
To: gk...@googlegroups.com
Sent: Tuesday, July 22, 2014 8:37:16 PM

[Pk Sharma]

mostly keyboards do not allow multiple keypresses simultaneously

anyway .. if u cn send yr photos or the wired usb/serial device which supports upto 6 key presses at one time, then it will help me with my hindi language typing .. 

see :https://www.youtube.com/watch?v=K7EXI04xD3g

new :

www.SimpleKeyboard.in for hindi/bengali (later)

ALL devices .. ALL operating systems ! 

[César Barreto]

I make something like this.

Files attached.

Regards

Cesar.-

[Pk Sharma]

looks cool

does it work when all the keys are pressed ?

can all the keys be pressed at a time to get a character ?

it just the right size for my sanskrit typing

peekay

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[Pk Sharma]

john

does this bt support 6 keypresses at a time too ?

did u try it out ?

looks cool .. and it is bt .. and ready made 

peekay