New Atmega chip

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Re: New Atmega chip

Postby Gapak » Tue Dec 11, 2012 10:15 am

But I still have a problem with burning the boatloader on a blank chip as described in my Dec 9 post.
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Re: New Atmega chip

Postby adafruit_support_bill » Tue Dec 11, 2012 12:09 pm

OK. Let's start by checking your build. Post photos of the front & back of the shield.
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Re: New Atmega chip

Postby Gapak » Tue Dec 11, 2012 4:13 pm

The two photos are on my desktop. How do I post them to my reply?
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Re: New Atmega chip

Postby adafruit_support_bill » Wed Dec 12, 2012 5:42 am

Use the "Upload Attachment" tab under the message edit box.
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Re: New Atmega chip

Postby Gapak » Wed Dec 12, 2012 9:27 am

Here are the two photos
166.jpg Ren2.jpg
166.jpg Ren2.jpg (73.54 KiB) Viewed 385 times
170.jpg Ren1.jpg
170.jpg Ren1.jpg (82.79 KiB) Viewed 385 times
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Re: New Atmega chip

Postby JD3 » Wed Dec 12, 2012 10:33 am

One pin on the ZIF socket looks like it needs a little more solder -

Try re soldering the socket connections on pins 17 - 19 (yellow, orange, brown)
The socket pin that is connected to the yellow wire seems to need it the most.
That little black caterpillar you just stepped on will set you back a few bucks....
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Re: New Atmega chip

Postby Gapak » Wed Dec 12, 2012 4:06 pm

You know what JD3, you were right! I checked continuity between the inserting slots of the ZIF and the header pin; pin 17 was not connected. After resoldering bootloading worked fine.
Where did you get your eyesight from? congratulations and thank you very much for your help.
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Re: New Atmega chip

Postby JD3 » Wed Dec 12, 2012 8:15 pm

Well I tell you what, clear pictures being posted really help a lot :)

Plus i have one, so I compared the wiring to mine and the tutorial.
Everything looked great except that one spot ;)
That little black caterpillar you just stepped on will set you back a few bucks....
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