Author Topic: $50 PCB help  (Read 1950 times)

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Offline dellagdTopic starter

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$50 PCB help
« on: March 09, 2009, 06:25:05 AM »
by any chance is there any wiring for the $50 PCB that wasn't shown soldered in the tutorial?
also, are the two top pins I am pointing to soldered together, same with the bottom two.


also, I was wondering if it would be possible put 5 IR LEDs and receivers on the front of the $50 dollar robot and make it navigate a maze.

so like if if an LED on the right detected that there would't be another wall for a while, it would turn the right until the IR at the very front detected no wall, then it would go forward and repeat.
« Last Edit: March 09, 2009, 06:29:53 AM by dellagd »
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Offline SmAsH

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Re: $50 PCB help
« Reply #1 on: March 09, 2009, 01:35:18 PM »
no there shouldnt be any faults in the tutorial, many people would have found it by now ;) with your maze question. i dont really understand what you mean?
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Offline dellagdTopic starter

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Re: $50 PCB help
« Reply #2 on: March 09, 2009, 01:50:16 PM »
my question is is the top two pins I am pointing too soldered together, the same with the bottom two I am pointing too.
I just wanted to make sure because the lighting made it hard to be sure.
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Offline SmAsH

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Re: $50 PCB help
« Reply #3 on: March 09, 2009, 01:57:46 PM »
the bottom ones dont look soldered together? can someone confirm this?
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Offline sean22

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Re: $50 PCB help
« Reply #4 on: March 09, 2009, 02:51:54 PM »
your right they dont look soldered together
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Offline dellagdTopic starter

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Re: $50 PCB help
« Reply #5 on: March 09, 2009, 04:35:18 PM »
ok thanks it was hard to tell
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Offline Trumpkin

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Re: $50 PCB help
« Reply #6 on: March 10, 2009, 08:53:48 AM »
The bottom ones are soldered together. That's the 5v for the programmer (If I remember correctly).
« Last Edit: March 10, 2009, 08:54:45 AM by Trumpkin »
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Offline dellagdTopic starter

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Re: $50 PCB help
« Reply #7 on: March 10, 2009, 01:47:55 PM »
woah woah woah
are they or arn't they?!?!
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Offline Trumpkin

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Re: $50 PCB help
« Reply #8 on: March 10, 2009, 02:17:36 PM »
You can see from the dot schematic that both the top two pins and the bottom two pins should be connected.
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Offline SmAsH

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Re: $50 PCB help
« Reply #9 on: March 10, 2009, 02:38:16 PM »
nope power buses are at the top of piv and to the left of that. otherwise there would be a bridge between gnd and +5v ;)
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Offline Razor Concepts

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Re: $50 PCB help
« Reply #10 on: March 10, 2009, 03:03:47 PM »
Please make sure the information you post is correct - the bottom two pins are connected as Trumpkin posted. Those are not the power buses, it's the 10 pin programming header.

Offline dellagdTopic starter

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Re: $50 PCB help
« Reply #11 on: March 10, 2009, 03:06:16 PM »
let me get this straight, the top 2 are connected and so are the bottom 2(it is the 5v for the programmer head)
?


PS all these are connected together as GND correct?
« Last Edit: March 10, 2009, 03:09:58 PM by dellagd »
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Offline Razor Concepts

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Re: $50 PCB help
« Reply #12 on: March 10, 2009, 03:12:43 PM »
Yes you are 100% correct. The top two are AVCC and AREF which should be connected.

Offline Webbot

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Re: $50 PCB help
« Reply #13 on: March 10, 2009, 10:48:20 PM »
Could always check out my initial post in the thread http://www.societyofrobots.com/robotforum/index.php?topic=3292.0
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