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Posted on 07/08/10 18:51:56 |
soccerkiddo3
 Posts: 207 Reply  |
Re: New controller
Richard The only thing this article didn't say is how to get one of those controllers open. Last time I tried I ended up using a hack saw to split it down the middle.  They don't go back together too well after that. 
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Posted on 07/08/10 19:03:20 |
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soccerkiddo3
Posts: 207 Reply |
Re: New controller
The circuit diagram for my build.  |
Posted on 07/08/10 19:05:39 |
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soccerkiddo3
Posts: 207 Reply |
Re: New controller
Parts list [Attachment: Controller_part_list.txt (3.22kb)] Still to come, a story board of the build. I am building one at the moment so I am taking lots of pictures. I will put together a story board on how it all hangs onto the veroboard. |
Posted on 09/08/10 09:01:45 |
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richard
Posts: 200 Reply  |
Re: New controller
Thanks Geoff - is the brake pot the one on the red wire, or the one in the upper left of the diagram? Cheers Richard |
Posted on 09/08/10 14:11:33 |
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soccerkiddo3
Posts: 207 Reply |
Re: New controller
The brake pot is one on the Red wire and is optional. It could be replaced by a switch or hard wired like a standard Parma controller. The pot on the top left is the sensitivity and is required. It allows you to adjust the controller for both car and track although once you have the controller adjusted for the track you don't seem to change it much from car to car. As for the choke, well the jury is still out as far as I am concerned. The comments you read from people with more experience than me is you just end up with two knobs to play with instead of one. It also makes the build that much harder fitting everything into a limited space. I am glad didn't try and fit one one the first controller I built. I think I would recommend others to start without one. |
Posted on 11/08/10 19:52:09 |
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soccerkiddo3
Posts: 207 Reply |
Re: New controller
A puff of smoke, a horrid smell and another coast/brake pot bites the dust.  And this time I didn't do anything wrong.
That is it for modifying pots as far as I am concerned. If you are going to put power to it use a decent pot and use a switch to determine if it is brake or coast. I should have listened to Richard in the first place. 
Personally I am leaving the coast out of brakes from now on. Too many problems, no real benefits. 
The most annoying thing is that I was in Altronics today.  Looks like a good reason to go back again.
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Posted on 11/08/10 21:30:46 |
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richard
Posts: 200 Reply |
Re: New controller
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Posted on 11/08/10 21:34:05 |
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richard
Posts: 200 Reply |
Re: New controller
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Posted on 11/08/10 21:41:06 |
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richard
Posts: 200 Reply |
Re: New controller
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Posted on 11/08/10 21:50:29 |
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richard
Posts: 200 Reply |
Re: New controller
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Posted on 12/08/10 08:55:32 |
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soccerkiddo3
Posts: 207 Reply |
Re: New controller
Richard It looks like 2 different controllers here. The 1st 2 postings are for one controller. The 3rd and 4th another. The second controller (pics 3 and 4) is a clone of the one mine is based on with a 4th pot (Pot2) added in for the curve. The 1st one I haven't seen before and has some interesting bits. Not sure about Traction and how it works.  Interesting the different way they have put in the "choke". That is the third different "choke" I have seen,
My diodes have arrived so I will be playing with a new brake controller when I get a chance. |
Posted on 13/08/10 15:31:38 |
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richard
Posts: 200 Reply |
Re: New controller
Yep, those are 2 different controllers - both are based on the MJ11015 transistor and the first had a couple of extras (such as the diode brakes) which may help if we decide to add those features. The second controller shows how to integrate a PCB within the handle, which may be the next step for our controller? Altronics have an "iron on" board process: http://www.altronics.com.au/index.asp?area=item&id=H0770 Cheers Richard |
Posted on 14/08/10 20:41:50 |
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zoltechx
Posts: 220 Reply  |
Re: New controller
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Posted on 15/08/10 13:49:36 |
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Chadly
Posts: 476 Reply  |
Re: New controller
Dangermouse: you will have to use a wire wound brake pot for use with 1/32 cars. The transistor heating up, without heatsink, should be ok for 1/32 cars, but i wouldn't go using it with larger (36D, 26D, 16D) motors. looks nice and neat guys, great stuff! |
Posted on 16/08/10 15:52:26 |
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Dave in Perth
Posts: 873 Reply  |
Re: New controller
We had all electronic controllers at our last race meet here.. Even Kev has stepped up into the transistorised club
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Posted on 16/08/10 22:29:20 |
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Monaro Doorslammer
Posts: 541 Reply  |
Re: New controller
Hmmm, eventually we need a name change to the "Perth HO and Cyborg Hobbyist Group" _________________ 
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Posted on 17/08/10 14:35:10 |
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Dave in Perth
Posts: 873 Reply |
Re: New controller
Next we'll be driving our cars via brainwaves, which means I might be able to complete half a lap
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Posted on 17/08/10 23:16:37 |
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zoltechx
Posts: 220 Reply |
Re: New controller
robot wars hello dave did the gt live up to expectations  |
Posted on 18/08/10 16:18:06 |
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Dave in Perth
Posts: 873 Reply |
Re: New controller
Mate, everything was way above any expectations I woulda had 
Bloody legend
:D:D:D:D:D:D:D |
Posted on 18/08/10 17:34:06 |
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zoltechx
Posts: 220 Reply |
Re: New controller
im going back to dial up..wireless bwoadd band..   gt |
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