#qi-hardware on 2012-08-06 — irc logs at freenode.irclog.whitequark.org

2011-11-28 00:09 Topic for #qi-hardware is now Copyleft hardware - http://qi-hardware.com | hardware hackers join here to discuss Ben NanoNote, atben / atusb 802.15.4 wireless, and other community driven hw projects | public logging at http://en.qi-hardware.com/irclogs

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01:05 <kristianpaul> wpwrak: i still not see much on a controller to be honest

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01:06 <kristianpaul> pehaps i'm finished but i see more worthty for example a tiny gps receiver, just fpga + receivr + simplest led, i just fix on 4 channels and give you a relative position

01:06 <kristianpaul> still a one single app that can take advange of a fpga

01:06 <kristianpaul> a controller for hacking, sounds scary to me

01:07 <kristianpaul> perhaps two years later i would get more conviced that know :)

01:07 <wpwrak> well, the FPGA could for instance process the serial data stream from your receiver and present it to the CPU in a format it can handle easily

01:07 <wpwrak> think UBB :)

01:07 * kristianpaul have played with UBB enought

01:08 <kristianpaul> but i got the point

01:08 <kristianpaul> havent*

01:09 <kristianpaul> gadgets well

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01:31 <wpwrak> i think the ben is under-estimated as a hw hacking device. i use mine quite extensively for that. much nicer than having to cook up some USB MCU solution each time.

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01:32 <kristianpaul> he

01:35 <wpwrak> e.g., for in-circuit programming of various MCUs. i've by now written programmers for three different architectures (Silabs C8051F3xx, PIC 18Fsomething, Cypress M8C), ported two (Silabs and PIC) of them to the Ben, and ported an already existing one (avrdude) to the ben.

01:36 <wpwrak> avrdude even has quite flexible i/o pin assignment, so you can used adapt to quite different configurations just by editing a config file that's read at run time. no recompilation necessary.

01:38 <wpwrak> i found it quite pleasant to write all of these. and the hw cost of adding a new kind of layout is simple one UBB and a few cm of cable.

01:39 <kristianpaul> 18F !! oh i missed that

01:40 <wpwrak> PIC18F24J50. very clean and simple ICSP protocol.

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14:57 <kristianpaul> morning

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20:29 <wpwrak> hmm ... this project looks pretty amazing: http://3dhomemade.blogspot.de/

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20:37 <wpwrak> and here's the open source competition. well, a bit behind, it seems. but with more technical details: https://code.google.com/p/lemoncurry/wiki/main

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20:40 <wpwrak> and, and another one. also open and apparently well under way: http://b9creator.com/

20:40 <wpwrak> seems that raising resins is the future :)

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20:52 <kristianpaul> if is easier than powder

20:53 <kristianpaul> oh

20:53 <kristianpaul> looks promosing indeed

20:56 <wpwrak> the tricky part seems to be the chemistry

20:56 <wpwrak> well, and that they use video projectors. that gives them a pretty nice resolution but it also pricy

21:00 <kristianpaul> they could do as azonenberg perhaps

21:02 <kristianpaul> ah but still need the projector film..

21:03 <wpwrak> yeah, would be a bit messy to make a mask for every few um

21:04 <wpwrak> but perhaps the DVD direct writer idea could be adapted ...

21:05 <wpwrak> at least you could make things of about 3 cm x 3 cm with a REALLY good resolution ;-)

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22:06 <wpwrak> a radical approach: https://www.youtube.com/watch?v=Tsk-24UYFs0

22:12 <kristianpaul> lol yeah, i was looking that video early, good you foudn it :)

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