Help with my simple DIY arduino board so I can put my store bought one away for safe keeping.

Hi everyone,

I thought it would be cool to make a home made arduino compatible based on the atmega328 so i wouldn't have to worry about " frying" or messing up my store bought arduino when experimenting with something i'm not 100 percent comfortable with. I've had some problems getting one to work, and i'm not sure if it is my design or maybe just a few bad components, or my lousy soldering skills. anyhow, i'd appreciat it if someone could take a look at the attached circuit and let me know if you think it should work, or what I need to change. thanks in advance.

I used fritzing to create the drawing.

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andytechman over 12 years ago

The capacitors across the crystal indicates 0.22uF. That's about 10,000x too big. They should be more like 22pF. Is that just a typo? Oh and the overlay has resistor packages in these places where the caps should be but I guess you have actually got caps in you circuit.
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andytechman over 12 years ago

The capacitors across the crystal indicates 0.22uF. That's about 10,000x too big. They should be more like 22pF. Is that just a typo? Oh and the overlay has resistor packages in these places where the caps should be but I guess you have actually got caps in you circuit.
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ohiocomputerguy over 12 years ago in reply to andytechman

yes it is a typo, they are both actually 22pf caps and they are "through hole ceramic caps" *that's the way fritzing represents them*.
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