[NTLK] newt keyboard USB adapter

[Charles Mangin]

i've built a few custom Apple II -> USB keyboards using a Teensy from PJRC:
http://pjrc.com/teensy/index.html

built-in USB HID, plenty of pins, small package.



Charles Mangin
option8 at option8.com



On Sep 14, 2012, at 3:13 PM, Vladislav Korotnev wrote:

> One thing I'd also suggest to look into are PIC controllers, some of them have USB pins and a nice USB SDK to emulate almost any device. 
> 
> iPhoneから送信
> 
> On 15.09.2012, at 0:51, Morgan Aldridge <morgant at makkintosshu.com> wrote:
> 
>> On Fri, Sep 14, 2012 at 8:06 AM, joe kallo <quietglow at gmail.com> wrote:
>>> So it turns out there is a serial to usb app for android:
>>> 
>>> https://play.google.com/store/apps/details?id=slickdevlabs.apps.usb2serialdemo&hl=en
>>> 
>>> I have no idea if something can be done with that to give the rest of the
>>> device the output from the keyboard, but it seems worth exploring.
>>> 
>>> That said, my goal was to end up using an original 2X00 case that holds the
>>> keyboard. At this point, it would also have to hold a keyspan adapter as
>>> well as a microusb/usb OTG adapter. That's starting to sound like a whole
>>> lot of stuff to squeeze into the case (not to mention that it looks a
>>> little cobbled. I wonder if I could splice a mini-usb onto a newton
>>> keyboard cable. The keyspan adapter itself had no firmware (i.e. it
>>> depended all on software) right? If so, the physical device was essentially
>>> just acting as a splice anyway.
>> 
>> The Keyspan USB-to-Serial adapters do have circuitry in them (probably
>> a somewhat generic serial to USB chip and such) so it's not just a
>> splice. The best you could do is hack the Keyspan USB-to-Serial
>> adapter to have the Newton keyboard's serial cable direct attached to
>> it as well as the mini-USB cable. It would save you some space, but
>> you'd still need some software on the Android device to translate the
>> serial data from the Newton keyboard into recognizable keyboard input.
>> 
>> It sounds like the arduino option might be better for your end goal as
>> you can make a small board which has a mini DIN-8 for plugging the
>> Newton into, does all the translation from the Newton's keyboard
>> protocol to USB HID, and provides a mini-USB port/cable which can plug
>> directly into your Android device. Naturally, this is not the easier
>> solution, but it'd be nicer, more compact, and require no drivers.
>> 
>> Morgan
>> ---
>> http://makkintosshu.com/
>> http://seriesparts.com/
>> http://rikuwoiku.com/
>> http://unna.org/
>> 
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> 
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> ====================================================================