PCB Design

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Please let me know how make home-made PCB in good quality.

As like as attached file.

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I might be going blind but where are the decoupling capacitors in that? Have you read AVR040 and AVR042?

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I think the question is more about making your own PC board. More suited for General Electronics? (or a quick Google and Forum search?)

You can put lipstick on a pig, but it is still a pig.

I've never met a pig I didn't like, as long as you have some salt and pepper.

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It is very hard to make a board like that at home. Reasons:

1) Plated through holes, These are VERY hard to do at home.

2) Silk screen: yes, you can make a silk screen, but it is really hard to get it that nice and to get it accurately registered

3) Solder mask: like silk screen

You CAN lay out a board like that. Eagle and several other programs make it relatively straight forward. Then, just send the Gerber files to a board fabricator. There are quite a few who will do small quantities for pretty small money. Some of those are in your general part of the world.

Jim

 

Until Black Lives Matter, we do not have "All Lives Matter"!

 

 

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clawson wrote:
I might be going blind but where are the decoupling capacitors in that? Have you read AVR040 and AVR042?

What is AVR040 and AVR042?

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Thank you dear ka7ehk,

Please let me know that how to make PCB fabricator at home by using ATmega.

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A "fabricator" is a business or company. It is not something you make.

Jim

 

Until Black Lives Matter, we do not have "All Lives Matter"!

 

 

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imranahmed wrote:
What is AVR040 and AVR042?
http://www.atmel.com/devices/ATMEGA16A.aspx?tab=documents

"Dare to be naïve." - Buckminster Fuller

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"I may make you feel but I can't make you think" - Jethro Tull - Thick As A Brick

"void transmigratus(void) {transmigratus();} // recursio infinitus" - larryvc

"It's much more practical to rely on the processing powers of the real debugger, i.e. the one between the keyboard and chair." - JW wek3

"When you arise in the morning think of what a privilege it is to be alive: to breathe, to think, to enjoy, to love." -  Marcus Aurelius

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At a glance, I'd say this is related to the OP's other thread.

I would recommend that you not bother fabricating it. Instead follow the schematic and (carefull) build this on a breadboard. This will allow you to rescue the one ATmega8 on which you have accidentally programmed RSTDISBL.

If you really want to have the rescue programmer in your inventory, it's probably much less hassle to just buy a pre-built one.

Even better would be to save up for an HVSP/HVPP capable programmer like the STK500.

JJ

"Experience is what enables you to recognise a mistake the second time you make it."

"Good judgement comes from experience.  Experience comes from bad judgement."

"Wisdom is always wont to arrive late, and to be a little approximate on first possession."

"When you hear hoofbeats, think horses, not unicorns."

"Fast.  Cheap.  Good.  Pick two."

"We see a lot of arses on handlebars around here." - [J Ekdahl]

 

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BTW how many times can one RSTDISBL?
It can be entertaining two, three times but doing that more than four times in a lifetime is a perversity.
YMMV.

No RSTDISBL, no fun!

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Thank you very much dears.

Last Edited: Thu. Feb 6, 2014 - 02:49 AM
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ka7ehk wrote:
A "fabricator" is a business or company. It is not something you make.

Jim

Dear ka7ehk,

Please let me know can I make CNC machine at home by using AVR uC.

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Brutte wrote:
BTW how many times can one RSTDISBL?
It can be entertaining two, three times but doing that more than four times in a lifetime is a perversity.
YMMV.
Quote:
No RSTDISBL, no fun!
;)

"Experience is what enables you to recognise a mistake the second time you make it."

"Good judgement comes from experience.  Experience comes from bad judgement."

"Wisdom is always wont to arrive late, and to be a little approximate on first possession."

"When you hear hoofbeats, think horses, not unicorns."

"Fast.  Cheap.  Good.  Pick two."

"We see a lot of arses on handlebars around here." - [J Ekdahl]

 

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Just google AVR CNC. There are numerous designs plus software.

Jim

 

Until Black Lives Matter, we do not have "All Lives Matter"!

 

 

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Oh what a fun thread, much better than TV .

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A bit like "Wack-A-Mole".

Jim

 

Until Black Lives Matter, we do not have "All Lives Matter"!