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Topic: Simple question about the demo projects with the Uno (Read 842 times) previous topic - next topic

DJRikki


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My simple question (that is probably very silly) is, why do the tutorials ask me to write up a positive feed to the breadboard when nothing appears to connect to it?


I am glad you asked that question because I was wondering too.

Here are a couple of other newbie questions I hope people will not mind me grafting on here;


  • How did you get the circuit diagram to insert into the post?

  • If I put a continuity meter between the 5V and the GND in your diagram I get a "bell" i.e. short. That is not what I was expecting, but there is probably a very good reason for it which I hope somebody can (simply) explain.




To put a picture into your post just get its URL and then do this :

Code: [Select]
[img]http://www.aaaaaa.com/picture.jpg[/img]

Texy

...to expand further, you need to upload your photo to your choosen online photo storage site,eg photobucket, etc, then put a link to that photo in your post.

Texy

radman

This has been a really helpful topic for me.

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The circuit picture appears to be from Fritzing (fritzing.org).

Fritzing looks like a great way to generate pictures and schematics of sketches, it even shows connectivity and highlights things that are not connected.

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you need to upload your photo to your choosen online photo storage site,eg photobucket


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To put a picture into your post just get its URL and then do this :
Code: [Select]
[img]http://www.aaaaaa.com/picture.jpg[/img]

I'll be generating some images with fritzing, putting them on photobucket and embedding them in topics very soon  :)

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If you get continuity between +5 and Ground with no power applied... I can't explain that one.

I did get continuity without power applied but I was using a very cheap tester. I have borrowed a proper meter and it shows a resistance of about 0.9kohms between +5 and GND. So yes there was continuity but I guess the resistance means its not a short and it represents the power supply circuitry.

Thanks everyone.


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