[Cryptech Tech] More and updated avalanche noise boards for Novena?

[Joachim Strömbergson]

Aloha!

We need to see how many I/Os that are easily available. It would be good to have at least a few LEDs and separate or in combination with some pins. And a couple of input pins. Nothing complicated or fancy.

Skickat från min iPhone

> 15 Nov 2014 kl. 13:06 skrev Fredrik Thulin <fredrik at thulin.net>:
> 
>> On Saturday, November 15, 2014 08:41:33 AM Joachim Strömbergson wrote:
>> Aloha!
>> 
>> Fredrik, what is the status of the avalanche boards - have you made more
>> than one board and a smaller board that better fits the Novena?
> 
> I've been awaiting confirmation that the basic circuit works with the FPGA, so 
> I'll make a rev02 design now and order 5 or so of those boards. Should be able 
> to have them finished before our meetup we've been talking about in private e-
> mail.
> 
> I'm going to replace the voltage regulator with a much smaller one since we 
> would just be needing a few milliamps from the 3V3, and I'll make it possible 
> to deduce if we really need the schmitt trigger and/or bus transceiver with 
> some extra connections on this rev02.
> 
> Did you want me to put something more on there? We talked about flash, LEDs and 
> 100-mil headers for something that I can't remember?
> 
>> Now that it seems to be working it would be good to be able to populate
>> the other Novena boards to allow us to write SW for data extraction,
>> testing in parallel and not just by me.
> 
> Right
> 
>> Do you have a Novena btw?
> 
> I do.
> 
> /Fredrik
>