[Coco] BIGGEST PROBLEM

[David Ladd]

On Mon, Mar 6, 2017 at 11:34 PM, David Ladd <davidwladd at gmail.com> wrote:

> On Mon, Mar 6, 2017 at 4:32 PM, Allen Huffman <alsplace at pobox.com> wrote:
>
>> > On Mar 6, 2017, at 4:30 PM, John Guin <johnguin at hotmail.com> wrote:
>> >
>> > Seems like it "should just work."
>> >
>> > Someone with any insight here please correct me if I am wrong,
>> > John
>>
>> There is the USB protocol stack which handles hubs and multiple devices
>> and such. That is what seems to be keeping USB off low-end stuff, and
>> causing all these cheap chip solutions to exist.
>>
>> By the way, the $4 PIC chip I mentioned also has 64K of program space and
>> can run code on it's own. It has an RTC, I/O pins and
>
>
> ​Allen, you know I was actually thinking that for a USB joystick to CoCo
> adapter might actually possibly to use a Raspberry Pi Zero as the USB Host
> device and then using a couple of those I2C DAC boards on the RPi0's I2C
> buss for at least the analog controls.  Then the buttons would probably
> need some form of solid state type switch.
>

​A side note to this idea of the I2C DAC's on the Raspberry Pi would
require a I2C level shifter since the I2C DAC's would be connected to a 5V
supply.​



>
> I think you can still get the Raspberry Pi Zero 1.3 for about 5 USD.
> Sadly the New Raspberry Pi Zero W is 10 USD.
>
> More crazy ideas from the peanut ​gallery errr I mean 2 cents :P
>
>
>
>
>> ​<CUT>
>>
>
> ​
​
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