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robot_sig · Brisbane Robotics SIG

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  • Members: 96
  • Category: Robotics
  • Founded: Sep 8, 1999
  • Language: English
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Messages 778 - 807 of 1070   Oldest  |  < Older  |  Newer >  |  Newest
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778 Dingo_aus
hungerfordsymes Send Email
Nov 2, 2007
9:50 pm
Just a quick note that the Darpa Grand Challenge is on 3 Nov US time. If only they would broadcast it on TV :( Nigel H-S...
779 Nick Munro
nedarg Send Email
Nov 13, 2007
9:12 am
I'm haning out for one Andrew, =Nick PS: I'm a little preocupide with my new house at the moment so haven't done any code since the last meeting. Busy...
780 Nick Munro
nedarg Send Email
Nov 13, 2007
9:38 am
hope i'll see ya there 8th dec ... National Bingo Night. Play along for the chance to win $10,000 every week. Download your gamecard now at Yahoo!7 TV....
781 Dingo_aus
hungerfordsymes Send Email
Nov 13, 2007
11:03 am
Yeah I'm really looking forward to it - youtube is good but real life is better! So how is everyone going? Any thoughts about the next get together? I'm pretty...
782 uqpniels Send Email Nov 13, 2007
12:02 pm
Hi All, Like Nigel, I've done bugger all since our last meet. My work is turning me into a head case and from your mailings I know coding the buggy with no...
783 Jason Baker
jason_ender Send Email
Nov 22, 2007
11:14 am
Hi Guys, I am looking to etch some PCB's. I remember many months ago that Andrew gave a demo on PCB making and he used a green looking liquid for his etching....
784 Gordon Wyeth
g_wyeth Send Email
Nov 22, 2007
11:30 am
Its Ferric Chloride you want. You can get it at Dick Smith, as well as photo-resist coated boards. Gordon _____ From: robot_sig@yahoogroups.com...
785 Gavin McIntosh
gavinmc03 Send Email
Nov 22, 2007
11:56 am
Jason, Jaycar as well as DS. Kits are available. Ferric chloride will work at room temp, others need heating to 60c If you want to live longer keep the ferric...
786 Dingo_aus
hungerfordsymes Send Email
Nov 22, 2007
8:15 pm
Yeah I recommend starting with the stuff sold at Dick Smith - easiest to start with, pre-mixed and works at room temp etc. Not the cheapest way though. Also...
787 Damien Kee
damokee1979 Send Email
Nov 22, 2007
9:27 pm
If you want the non-staining stuff, get Ammonium Persulphate. You do need to keep it above 70 degrees though to work. damo...
788 Andrew
cunningfellow Send Email
Nov 22, 2007
9:37 pm
... Yes - the "green stuff" I use is Cupperic Chloride. Unlike FeCl3 from tricky dicky it never runs out or has to be disposed of. All you need to do is...
789 Andrew
cunningfellow Send Email
Nov 22, 2007
9:56 pm
... Still puts holes in clothes though. You just dont notice it till a few months later when the holes develop and you wonder "How did that hole get there" ...
790 Jason Baker
jason_ender Send Email
Nov 22, 2007
11:07 pm
Hi Guys, Cupperic Chloride is the stuff I was thinking of. I actually have Ferric Chloride. My main reason to look at the Cu-Cl option is that I'm only doing...
791 Triffid Hunter
triffid_hunter Send Email
Nov 23, 2007
12:55 am
... Ferric chloride is brown. He's probably using Cupric chloride - see http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/index.html ... The site...
792 Andrew
cunningfellow Send Email
Nov 23, 2007
1:40 am
... Yep - that was the link I used to make mine. Took three days first time I did it becuase of inapropriate shaped container. Using a little H2O2 to speed it...
793 Jason Baker
jason_ender Send Email
Nov 23, 2007
1:50 am
Ok Andrew, I will take you up on that offer. Will you be home on Sat? Around 11am? What is the best sort of storage container? Is a soft drink bottle ok or do...
794 Dingo_aus
hungerfordsymes Send Email
Dec 27, 2007
4:25 am
Hope everyone had a happy Christmas and is looking forward to a good New Years's. Anyway on the topic of PCB making etc I'm still looking for a good source of...
795 Triffid Hunter
triffid_hunter Send Email
Dec 27, 2007
6:05 am
... What's wrong with laser printer toner transfer? can pick up a suitable printer for au$100 these days; my samsung ml2010 works nicely...
796 Dingo_aus
hungerfordsymes Send Email
Dec 27, 2007
6:57 am
I've used that in the past. I found I could do large traces ok but when I got smaller I always had issues in transferring the image to the copper and would end...
797 Andrew
cunningfellow Send Email
Dec 27, 2007
8:32 pm
... I have one of the Kinsten ones and they are not THAT nice. The exposure level is pretty high but not very uniform. Thats why I want to make a new one as...
798 Andrew
cunningfellow Send Email
Jan 1, 2008
12:59 am
Is anyone else ready to have a quick race ?...
799 Josh
thejoshau Send Email
Jan 1, 2008
2:13 am
If someone can send me some UART code used in the ATtiny45's I'll be ready....
800 dingo_Aus
hungerfordsymes Send Email
Jan 1, 2008
11:15 am
I found the UART code from Appnote 305 to be useful. Here is my code for it. Please note I've cut and pasted this from my code so it might not actually...
801 dingo_Aus
hungerfordsymes Send Email
Jan 1, 2008
11:19 am
Yes I'm sort of ready. I'm yet to actually see the racetrack so that is why I'm "sort-of" ready. My homebuilt track is good :P So yes lets set a date and...
802 Josh
thejoshau Send Email
Jan 2, 2008
4:50 am
Hi Nigel, Thanks for that, unfortunately that is the code I already have :(. I think my issue is with using the "event" driven method instead of "polling". I...
803 Dingo_aus
hungerfordsymes Send Email
Jan 2, 2008
11:31 am
I confess, I don't fully understand what the issue is you are having. So don't shoot me if I've misunderstood. Anyway, my suggestion is to view the Tiny45 as a...
804 Andrew
cunningfellow Send Email
Jan 2, 2008
9:44 pm
The UART code I am using is one I wrote almost a decade ago when AVRs where new and fancy. It is interrupt driven and has soft flags for RX_Complete and...
805 Josh
thejoshau Send Email
Jan 2, 2008
11:12 pm
Hi Andrew/Nigel, Thanks for your help, I'll try what you said. Andrew if you can put your code up that would be great. Thanks, Josh...
806 Andrew
cunningfellow Send Email
Jan 8, 2008
4:15 am
;****************************************************************************** ;* ATtiny45 H-Bridge board UART Demo ;* ;* Author - Andrew McCubbin ;* ;*...
807 Andrew
cunningfellow Send Email
Jan 8, 2008
4:19 am
Change the pin definitions for the TX and RX pins if you did not use the same pins as I did. Assemble code and burn it to the tiny 45. Hook up the TX/RX pins...
Messages 778 - 807 of 1070   Oldest  |  < Older  |  Newer >  |  Newest
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