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Author Topic: $50 robot question... RE: LED light...  (Read 1983 times)

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Offline BilliTopic starter

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$50 robot question... RE: LED light...
« on: January 30, 2009, 05:50:12 PM »
Hi guys,

I'm just getting into robotics and in the process of making my first robot...

I believe I've finished building my micro-controller now and just wondering if the LED light is suppose to come on when I power on?

I checked and double checked my connections... I also don't think I've 'smoked' anything yet..., just wondering how can I tell if the 'brain' of my $50 robot is alive or perhaps dead...

Thanks in advance.

Offline cooldog

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Re: $50 robot question... RE: LED light...
« Reply #1 on: January 30, 2009, 06:15:20 PM »
it won't come on until u program it
robot will rule the world and i will be building them
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Offline BilliTopic starter

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Re: $50 robot question... RE: LED light...
« Reply #2 on: January 30, 2009, 06:24:23 PM »
Oh! Then I guess I should proceed to programming it!

I thought the LED would come on after power on like other typical appliances... and thought that perhaps I screwed something up! ;)

Anyway, thanks for your response. :)

Offline BilliTopic starter

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Re: $50 robot question... RE: LED light...
« Reply #3 on: February 02, 2009, 06:30:57 PM »
Okay, new problem...

I'm using the $34 AVRISP mkII programmer... when I connect it to my micro-controller thru USB, the light on the programmer turned green, but AVR Studio continued to tell me connect failed.

What's up with that? What else can I be doing wrong?

Also, according to an older post: http://www.societyofrobots.com/robotforum/index.php?topic=1045.0
ground and v seems to be flipped compared to the schematic I downloaded...

Is this really correct?


I tried it that way and the green light wouldn't even come on. With my original way, the green light would turn on...

But either way, AVR Studio couldn't connect...   help! :-[
« Last Edit: February 02, 2009, 06:32:31 PM by Billi »

Offline BilliTopic starter

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Re: $50 robot question... RE: LED light...
« Reply #4 on: February 03, 2009, 12:06:01 PM »
Moving this up...

BTW, when we plug in the programmer, shouldn't something show up on my taskbar? Such as when we plug-in other usb devices, we'd need to click on the green arrow icon to stop it when done...

How come the programmer doesn't do this? Perhaps my issue is software related?

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