AVR-Chat

Dear all,
   
  Iam a beginner learning AVR, 
  Iam using ATmega8535 MCU
  I want simple delay program by decrementing a value in a register and loop .
  If any one can help me, please write the assembly and\or C code for CodeVision AVR C compiler and\or C++ for WinAVR compiler.
   
   
  Best Regards,


________________________________ 

Youssef Kandeel 

E-mail: youssefkandeel@yahoo.com  
________________________________
       
---------------------------------
Never miss a thing.   Make Yahoo your homepage.

[Non-text portions of this message have been removed]

--- In AVR-Chat@yahoogroups.com, dlc <dlc@...> wrote:
>
> It must be finals time somewhere, there have been a lot of these 
> requests lately.  :)
> 
> DLC


Yep, and specifically for the ATmega8535.  Where do the following
posters go to school:

Youssef Kandeel 
Wael Abd Elgilil
mido glgl

(I figure the odds of all 3 of you independently deciding to play with
the ATmega8535 with CodeVision all in the same 4 week period to be a
bit slim, so I assume two or three of you are in the same class/school.)

Might I recommend that (assuming you all 3 from the same school,) you
pool your resources and knowledge and work together.  Not only may it
make finding the answers/learning micro-controllers easier, it might
build some camaraderie.

John 

> 
> Youssef Kandeel wrote:
> > Dear all,
> >    
> >   Iam a beginner learning AVR, 
> >   Iam using ATmega8535 MCU
> >   I want simple delay program by decrementing a value in a
register and loop .
> >   If any one can help me, please write the assembly and\or C code
for CodeVision AVR C compiler and\or C++ for WinAVR compiler.

> >    
> >    
> >   Best Regards,
> > 
> > 
> > ________________________________ 
> > 
> > Youssef Kandeel 
> > 
> > E-mail: youssefkandeel@...  
> > ________________________________
> >        
> > ---------------------------------
> > Never miss a thing.   Make Yahoo your homepage.
> > 
> > [Non-text portions of this message have been removed]
> > 
> > 
> > 
> >  
> > Yahoo! Groups Links
> > 
> > 
> > 
> 
> -- 
> -------------------------------------------------
> Dennis Clark          TTT Enterprises
> www.techtoystoday.com
> -------------------------------------------------
>

It must be finals time somewhere, there have been a lot of these 
requests lately.  :)

DLC

Youssef Kandeel wrote:
> Dear all,
>    
>   Iam a beginner learning AVR, 
>   Iam using ATmega8535 MCU
>   I want simple delay program by decrementing a value in a register and loop .
>   If any one can help me, please write the assembly and\or C code for CodeVision AVR C compiler and\or C++ for WinAVR compiler.
>    
>    
>   Best Regards,
> 
> 
> ________________________________ 
> 
> Youssef Kandeel 
> 
> E-mail: youssefkandeel@yahoo.com  
> ________________________________
>        
> ---------------------------------
> Never miss a thing.   Make Yahoo your homepage.
> 
> [Non-text portions of this message have been removed]
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 

-- 
-------------------------------------------------
Dennis Clark          TTT Enterprises
www.techtoystoday.com
-------------------------------------------------

--- In AVR-Chat@yahoogroups.com, Sandu Teo <teodorstv@...> wrote:
>
> Hello,
> 
> Is there any Atmel programmer on USB?
> I only have used this one : 
http://microclub.pub.ro/blog/2007/11/15/programatorul-stk200-pentru-
atmega/
> 
> Since I don't have a parallel port and not even a serial port I was 
wondering if there is  any programmer on USB, easy to made or .. not 
very expensive.
> 
> Thanks'
> 
> 
>        
> ---------------------------------
> Never miss a thing.   Make Yahoo your homepage.
> 
> [Non-text portions of this message have been removed]
>
Hi,

You can use a USB to Serial converter if you have not a USB 
programmer.

Vidor

--- In AVR-Chat@yahoogroups.com, Sandu Teo <teodorstv@...> wrote:
>
> Hello,
> 
> Is there any Atmel programmer on USB?
> I only have used this one :
http://microclub.pub.ro/blog/2007/11/15/programatorul-stk200-pentru-atmega/
> 
> Since I don't have a parallel port and not even a serial port I was
wondering if there is  any programmer on USB, easy to made or .. not
very expensive.
> 
> Thanks'

Here's one that does in-system programming and is relatively inexpensive:

http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3808

The AVR Dragon from Atmel can also be used as a USB ISP programmer. 
Here's a link to it:

http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3891

Rick

On Dec 26, 2007, at 4:38 PM, Youssef Kandeel wrote:

> Dear all,
>
>  Iam a beginner learning AVR,
>  Iam using ATmega8535 MCU
>  I want simple delay program by decrementing a value in a register  
> and loop .
>  If any one can help me, please write the assembly and\or C code for  
> CodeVision AVR C compiler and\or C++ for WinAVR compiler.

int
main(void)
{
	volatile int	i;

	while(1) {
		for( i = 0 ; i < 32000 ; i++ ) {
			;
		}
	}
	return(0);
}

The above exactly meets the specifications. Sadly if it teaches  
anything about C or AVR then one has a *long* way to go.

--
David Kelly N4HHE, dkelly@HiWAAY.net
========================================================================
Whom computers would destroy, they must first drive mad.

Hello,

Is there any Atmel programmer on USB?
I only have used this one : http://microclub.pub.ro/blog/2007/11/15/programatorul-stk200-pentru-atmega/

Since I don't have a parallel port and not even a serial port I was wondering if there is  any programmer on USB, easy to made or .. not very expensive.

Thanks'


       
---------------------------------
Never miss a thing.   Make Yahoo your homepage.

[Non-text portions of this message have been removed]

Try the new version of the in circuit programmer, the AVRISP mkII.  It's 
about 35 bucks and uses a USB interface.  If you can find an older 
version of the serial interface AVRISP, they work quite well with a 
USB/Serial adapter.

Problem with the ISPs is if you have a brain fart and program your fuses 
incorrectly, thereby locking yourself out of the chip, you might have a 
problem re-programming your controller.  It might be a good idea to have 
some extra chips on hand while you're first getting started.


REB

Sandu Teo wrote:

>Hello,
>
>Is there any Atmel programmer on USB?
>I only have used this one : http://microclub.pub.ro/blog/2007/11/15/programatorul-stk200-pentru-atmega/
>
>Since I don't have a parallel port and not even a serial port I was wondering if there is  any programmer on USB, easy to made or .. not very expensive.
>
>Thanks'
>
>  
>


[Non-text portions of this message have been removed]

----- Original Message ----- 

From: "Sandu Teo" <teodorstv@yahoo.com>
To: <AVR-Chat@yahoogroups.com>
Sent: Thursday, December 27, 2007 4:47 PM
Subject: [AVR-Chat] atmel programmer


> Hello,
>
> Is there any Atmel programmer on USB?
> I only have used this one : 
> http://microclub.pub.ro/blog/2007/11/15/programatorul-stk200-pentru-atmega/
>
> Since I don't have a parallel port and not even a serial port I was 
> wondering if there is  any programmer on USB, easy to made or .. not very 
> expensive.

The Dragon is good value.

Leon

Dear David Kelly ,
  Thanks for your help
   
  Dear John,
  Thanks for your help
  You are right all of we are beginners, I studied MCU ATMEL8051 but it was just a start.
  and I see that the atmega8535 is more advanced and its good to study it specially for a beginner like me.
  And I hope that I will be able to write a big complete program in two or three months.
   
  Thanks,


________________________________ 

Youssef Kandeel 

E-mail: youssefkandeel@yahoo.com  
________________________________
       
---------------------------------
Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  Try it now.

[Non-text portions of this message have been removed]

If you can get your hands on an STK500, you have a powerful learning tool 
for beginners.  You can program simple tasks like reading pushbuttons and 
lighting LED's and then get them to work right on the board. I'd 
recommend this for someone who doesn't have much experience with 
microcontrollers.

Some of my first projects with it were a little more advanced, but I was 
only new to AVR's, not to microcontrollers in general.

Zack

On Thu, 27 Dec 2007, Youssef Kandeel wrote:

> Dear David Kelly ,
>  Thanks for your help
>
>  Dear John,
>  Thanks for your help
>  You are right all of we are beginners, I studied MCU ATMEL8051 but it was just a start.
>  and I see that the atmega8535 is more advanced and its good to study it specially for a beginner like me.
>  And I hope that I will be able to write a big complete program in two or three months.
>
>  Thanks,
>

I got an STK500 and it was a great way for me to develop code while my
"real" hardware was being manufactured and I also use it as a programmer for
that hardware.

I've also gotten good use from the BD Micro Mavric board.  It brings all I/O
out to either headers or screw terminals.  You need to add a programmer for
it, but you can get the board and a programmer for under $300.  This might
seem like a lot of money for a student, but these are tools that can make a
huge difference in your education.

Since sample code is so popular, I should add that BD Micro has a lot of it
on their site.

You can start with their light flasher to make sure you've got it all wired
right and know how to program it, then go from there.

-----Original Message-----
From: AVR-Chat@yahoogroups.com [mailto:AVR-Chat@yahoogroups.com] On Behalf
Of Zack Widup
Sent: Thursday, December 27, 2007 11:07 AM
To: AVR-Chat@yahoogroups.com
Subject: Re: [AVR-Chat] Beginner, I want a simple prog


If you can get your hands on an STK500, you have a powerful learning tool 
for beginners.  You can program simple tasks like reading pushbuttons and 
lighting LED's and then get them to work right on the board. I'd 
recommend this for someone who doesn't have much experience with 
microcontrollers.

Some of my first projects with it were a little more advanced, but I was 
only new to AVR's, not to microcontrollers in general.

Zack

On Thu, 27 Dec 2007, Youssef Kandeel wrote:

> Dear David Kelly ,
>  Thanks for your help
>
>  Dear John,
>  Thanks for your help
>  You are right all of we are beginners, I studied MCU ATMEL8051 but it was
just a start.
>  and I see that the atmega8535 is more advanced and its good to study it
specially for a beginner like me.
>  And I hope that I will be able to write a big complete program in two or
three months.
>
>  Thanks,
>


 
Yahoo! Groups Links






-- 
No virus found in this incoming message.
Checked by AVG Free Edition. 
Version: 7.5.516 / Virus Database: 269.17.11/1200 - Release Date: 12/27/2007
1:34 PM

Youssef, is "mido glgl" your teacher or is he also a student?

I'd like to chime in here as I have in similar situation on the Freaks 
list.

Many moons ago, I was a TA in a Junior level EE design class. One of 
the students was from a fairly prestigious school in the the Middle 
East. He had studied his first two years of EE, there.

He had a big problem. All through high school, then in university, the 
emphasis was on rote memory. In his case, it was so bad that he could 
not solve this simple problem: if you have a 1000 ohm resistor 
connected across a 1mA current source, what voltage is generated across 
the resistor? He knew how to solve it when a 1V source was connected 
across the resistor. But, he could not understand this permutation of 
the problem. The reason was that he did NOT understand the concept of 
cause and effect. It was all rote, with little understanding. He knew 
how to solve it when a voltage source was involved. But, suddenly, he 
was lost with the current source.

I suspect that a number of the schools still run in this mode. That is, 
"here are the facts, learn it!". These questions appear to be very much 
in this vein. If so, its not entirely their fault. But, then again, 
they could be in another situation, and just trying to get by with the 
minimum effort. We've all known students like that. It also seems much 
more prevalent than in the past. Then, yet again, they could be trolls. 
We have no way of knowing.

I think that good advice HAS been given. But, there has been no 
response. Lets wait and see if any of them pop up with further 
question.

Jim Wagner
Oregon Research Electronics
Tangent, OR, USA

I wish the problem only existed in other country's schools.  A few years ago
I supervised a 3rd year engineering student intern from a school with a
decent reputation and although he was a year away from graduating as a EE he
had never held a soldering iron and couldn't build a simple cable to link 2
serial devices.  I showed him how to solder and suggested he build some kits
to get some of the hands on experience any employer would likely expect from
him in a year.

Beyond the failure of the school to let him get that far with no real hands
on lab work, I wonder what made this kid decide he wanted to be a EE if he
had never even had the interest to do any of it.

-----Original Message-----
From: AVR-Chat@yahoogroups.com [mailto:AVR-Chat@yahoogroups.com] On Behalf
Of Jim Wagner
Sent: Thursday, December 27, 2007 2:39 PM
To: AVR-Chat@yahoogroups.com
Subject: Re: [AVR-Chat] atmel programmer

Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset=US-ASCII

I'd like to chime in here as I have in similar situation on the Freaks 
list.

Many moons ago, I was a TA in a Junior level EE design class. One of 
the students was from a fairly prestigious school in the the Middle 
East. He had studied his first two years of EE, there.

He had a big problem. All through high school, then in university, the 
emphasis was on rote memory. In his case, it was so bad that he could 
not solve this simple problem: if you have a 1000 ohm resistor 
connected across a 1mA current source, what voltage is generated across 
the resistor? He knew how to solve it when a 1V source was connected 
across the resistor. But, he could not understand this permutation of 
the problem. The reason was that he did NOT understand the concept of 
cause and effect. It was all rote, with little understanding. He knew 
how to solve it when a voltage source was involved. But, suddenly, he 
was lost with the current source.

I suspect that a number of the schools still run in this mode. That is, 
"here are the facts, learn it!". These questions appear to be very much 
in this vein. If so, its not entirely their fault. But, then again, 
they could be in another situation, and just trying to get by with the 
minimum effort. We've all known students like that. It also seems much 
more prevalent than in the past. Then, yet again, they could be trolls. 
We have no way of knowing.

I think that good advice HAS been given. But, there has been no 
response. Lets wait and see if any of them pop up with further 
question.

Jim Wagner
Oregon Research Electronics
Tangent, OR, USA



 
Yahoo! Groups Links






-- 
No virus found in this incoming message.
Checked by AVG Free Edition. 
Version: 7.5.516 / Virus Database: 269.17.11/1200 - Release Date: 12/27/2007
1:34 PM

On 12/28/07, Philippe Habib <phabib@well.com> wrote:
> I wish the problem only existed in other country's schools.  A few years ago
> I supervised a 3rd year engineering student intern from a school with a
> decent reputation and although he was a year away from graduating as a EE he
> had never held a soldering iron and couldn't build a simple cable to link 2
> serial devices.  I showed him how to solder and suggested he build some kits
> to get some of the hands on experience any employer would likely expect from
> him in a year.

I was a TA for a Senior engineering course (also open to postgraduate)
in a top 50 university in the US. It is in a nice place of California. In the
first class, I wanted to check their basic knowledge of using the equipment
(power supply, fuctional generator and oscilloscope). I started with a simple
question. I asked them to connect the HP power supply (dual 25V supply)
to get 30V. Half of the students did not know how to do that. That was a big
supprise for me. Most of them had never done any soldering and that was
expected by me anyway. But since I was a good TA, I was able to teach
them soldering and basic use of the lab equipment. All of them are able
to finish the project (a Boost converter using SG3524). So they were not
that bad after all. They just need proper guidance and proper training.

Still I can see that a lot of them do not have the basic secondary school
level of math capability without the use of calculator. Anyway, calculator
is everywhere so that is not a big problem.

> Beyond the failure of the school to let him get that far with no real hands
> on lab work, I wonder what made this kid decide he wanted to be a EE if he
> had never even had the interest to do any of it.

This is a bigger problem than not knowing how to solder properly.

Xiaofan

Philippe Habib wrote:
> I wish the problem only existed in other country's schools.  A few years ago
> I supervised a 3rd year engineering student intern from a school with a
> decent reputation and although he was a year away from graduating as a EE he
> had never held a soldering iron and couldn't build a simple cable to link 2
> serial devices.  I showed him how to solder and suggested he build some kits
> to get some of the hands on experience any employer would likely expect from
> him in a year.
> 
> Beyond the failure of the school to let him get that far with no real hands
> on lab work, I wonder what made this kid decide he wanted to be a EE if he
> had never even had the interest to do any of it.

My guess is that he heard somewhere that it was an easy way to earn a 
living.

My experience is that for the most part, the people who are best at 
anything are those who truly love that thing for it's own sake, not 
just for whatever $$$ they can squeeze out of it (although that is 
some mighty nice icing on the cake).

Everyone else is merely good at it.


erikc
--
"At one point in time, many of us had Jesus as our personal lord
and saviour. Unfortunately, we later had to dismiss him for
incompetence, gross negligence, misconduct and consistent failure
to show  up for work.  Not to mention being caught with his hand
in the till..."

http://shop.tuxgraphics.org/electronic/microcontroller.html?id=1dafc3

My favorite so far. About a quarter of the way dopwn the page is a ready
made SMD version, being compared in size to a match. I have personally used
it on windows, mac, and linux.


On 12/27/07, Sandu Teo <teodorstv@yahoo.com> wrote:
>
>   Hello,
>
> Is there any Atmel programmer on USB?
> I only have used this one :
> http://microclub.pub.ro/blog/2007/11/15/programatorul-stk200-pentru-atmega/
>
> Since I don't have a parallel port and not even a serial port I was
> wondering if there is any programmer on USB, easy to made or .. not very
> expensive.
>
> Thanks'
>
> ---------------------------------
> Never miss a thing. Make Yahoo your homepage.
>
> [Non-text portions of this message have been removed]
>
> 
>


[Non-text portions of this message have been removed]

Hi, 

  I use USBprog! 

  http://www.embedded-projects.net/index.php?page_id=165[1] 

  I've made the pcb, and the firmware is free.. 

  Citando Sandu Teo <teodorstv@yahoo.com>: 

>     
> 
>   Hello, 
> 
> Is there any Atmel programmer on USB? 
> I only have used this one : http://microclub.pub.ro/blog/2007/11/15/programatorul-stk200-pentru-atmega/[2] 
> 
> Since I don't have a parallel port and not even a serial port I was wondering if there is any programmer on USB, easy to made or .. not very expensive. 
> 
> Thanks' 
> 
> --------------------------------- 
> Never miss a thing. Make Yahoo your homepage. 
> 
> [Non-text portions of this message have been removed] 
> 
>  



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My mom tells me I started to try to fool around with electronics at the 
age of two.  I got really into it pre-high school, building little 
projects with tubes (vacuum-state electrostatic repulsion transistors, to 
you).
:-)

I studied EE in college and have been working at that ever since, 
intensely interested in it. I've also been a radio amateur for 40 years.

Some employees love radio amateurs because they're interested and 
dedicated.  Others don't because they "steal parts" and "borrow the lab 
equipment all the time". I think I'd rather have an employee who loved his 
work than someone who was just there for a paycheck, no matter what the 
field of work is.

Can you imagine what the quality of our electronic equipment is going to 
be in the future?

OK, I'm off my soapbox.  Your turn.
:-]

Zack

On Thu, 27 Dec 2007, erikc wrote:

>
> My guess is that he heard somewhere that it was an easy way to earn a
> living.
>
> My experience is that for the most part, the people who are best at
> anything are those who truly love that thing for it's own sake, not
> just for whatever $$$ they can squeeze out of it (although that is
> some mighty nice icing on the cake).
>
> Everyone else is merely good at it.
>
>
> erikc

Wow, I didn't know about that. Is the first one on the webpage (the one 
that requires an additional ATMega8) more versatile?

Zack

On Fri, 28 Dec 2007, Christopher Baker wrote:

> http://shop.tuxgraphics.org/electronic/microcontroller.html?id=1dafc3
>
> My favorite so far. About a quarter of the way dopwn the page is a ready
> made SMD version, being compared in size to a match. I have personally used
> it on windows, mac, and linux.
>
>

> Some employees love radio amateurs because they're interested and
> dedicated.  Others don't because they "steal parts" and "borrow the lab
> equipment all the time". I think I'd rather have an employee who loved his
> work than someone who was just there for a paycheck, no matter what the
> field of work is.

I'd agree, and the two problems noted are ones that should be handled.
Stealing parts is not ok, nor is running off with equipment that's needed.

OTOH, a smart company can allow an employee to BUY parts at cost, to
have their pick of surplus/excess equipment and parts, and can have a
sensible policy on borrowing equipment.
In my experience, the equipment borrowing usually runs in the other
direction, but I just ask that it be returned on a timely basis, and
in the same condition that it was loaned in.  Accidents happen, but if
your engineers can't be trusted to care for equipment, then I'd wonder
why they are working there in the first place...

KC6ETE here.  :)

One small startup where I worked, the founder wouldn't hire radio amateurs
because he thought they'd tinker and play with a problem for fun instead of
just solving the problem adequately for the needs of the project and then
moving on.  Sort of the flip side of enjoying your work.

-----Original Message-----
From: AVR-Chat@yahoogroups.com [mailto:AVR-Chat@yahoogroups.com] On Behalf
Of David VanHorn
Sent: Friday, December 28, 2007 11:17 AM
To: AVR-Chat@yahoogroups.com
Subject: Re: [AVR-Chat] atmel programmer

> Some employees love radio amateurs because they're interested and
> dedicated.  Others don't because they "steal parts" and "borrow the lab
> equipment all the time". I think I'd rather have an employee who loved his
> work than someone who was just there for a paycheck, no matter what the
> field of work is.

I'd agree, and the two problems noted are ones that should be handled.
Stealing parts is not ok, nor is running off with equipment that's needed.

OTOH, a smart company can allow an employee to BUY parts at cost, to
have their pick of surplus/excess equipment and parts, and can have a
sensible policy on borrowing equipment.
In my experience, the equipment borrowing usually runs in the other
direction, but I just ask that it be returned on a timely basis, and
in the same condition that it was loaned in.  Accidents happen, but if
your engineers can't be trusted to care for equipment, then I'd wonder
why they are working there in the first place...

KC6ETE here.  :)


 
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No virus found in this incoming message.
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11:51 AM

> ... a smart company can allow an employee to BUY parts at cost...

One of my early employers evolved from the Mercury spacecraft days.  We 
were never disallowed access to parts, even for obvious "Government 
jobs", i.e. personal projects, provided the work was at least 
sort-of-related to assigned work and didn't delay delivery of 
contracts.  The policy paid off handsomely for the firm which became the 
largest data communications adapter manufacturer (deliberately avoiding 
the common name for the devices since they held the principal patents).  
The payoff for several engineers was a corner office, pretty much 
free-run of the place and, eventually, stock that ultimately did very 
well.  And we had a repeater on the roof.  It was fun, and profitable 
for employer and employee.

de ex/K3URO

On Dec 28, 2007 2:37 PM, Tom Becker <gtbecker@rightime.com> wrote:
>  > ... a smart company can allow an employee to BUY parts at cost...
>
> One of my early employers evolved from the Mercury spacecraft days.  We
> were never disallowed access to parts, even for obvious "Government
> jobs", i.e. personal projects, provided the work was at least
> sort-of-related to assigned work and didn't delay delivery of
> contracts.

Yup, managed intelligently, this works well.  Managed badly, nothing works.

On Fri, 28 Dec 2007, David VanHorn wrote:

>> Some employees love radio amateurs because they're interested and
>> dedicated.  Others don't because they "steal parts" and "borrow the lab
>> equipment all the time". I think I'd rather have an employee who loved his
>> work than someone who was just there for a paycheck, no matter what the
>> field of work is.
>
> I'd agree, and the two problems noted are ones that should be handled.
> Stealing parts is not ok, nor is running off with equipment that's needed.
>
> OTOH, a smart company can allow an employee to BUY parts at cost, to
> have their pick of surplus/excess equipment and parts, and can have a
> sensible policy on borrowing equipment.
> In my experience, the equipment borrowing usually runs in the other
> direction, but I just ask that it be returned on a timely basis, and
> in the same condition that it was loaned in.  Accidents happen, but if
> your engineers can't be trusted to care for equipment, then I'd wonder
> why they are working there in the first place...
>
> KC6ETE here.  :)
>

Yep; Motorola did just that.  I understand they started allowing employees 
to have a certain quantity of parts each month for free and could borrow 
equipment as long as they logged it in and out.  That way the company knew 
who had what.

Zack W9SZ

--- In AVR-Chat@yahoogroups.com, Zack Widup <w9sz@...> wrote:
>
> ... 
> Some employees love radio amateurs because they're interested and 
> dedicated.  Others don't because they "steal parts" and "borrow the 
lab 
> equipment all the time". I think I'd rather have an employee who 
loved his 
> work than someone who was just there for a paycheck, no matter what 
the 
> field of work is.

LOL!  Here it went:

Chief: Stefan?
me: yes?
C: I've heard you are a HAM radio operator?
me: yes, why?
C: So, you have some knowledge with high frequencies?
me: so to say.... :-)
C: Well, then you're our EMI specialist now...

From then on I had to go to the external lab to get all the necessary 
tests done (burst, surge, radiation, ...) and test reports written 
before our equipment can be sold. Sometimes annoying (when you have 
problems to solve with your own project and must go for tests with 
some colleagues equipment) but also very interesting. And being 
familiar with things like stubs, pi filters, ferrites and such is 
really helpful when some boxes leak or are susceptible at certain 
distinct frequencies.

64+-9 de DD6FM
Stefan

The first one is the same circuit as the one compared to the matchstick. I
work on a laptop for everything I do. My electronics lab (except soldering
station) is extremely portable. So I had to buy the prefab version. (If I
look really closely, I can see the atmega8 SMD chip on the board). The board
on the programmer is about the same size as the DIP atmega8.

http://www.tuxgraphics.org/electronics/200411/article352.shtml is his
explanation on how to use it. Somewhere I found out about AVRDude to program
the chips instead of the uisp program he uses. The programmer uses the
stk500v2 protocol, so you only need a program suitable for that (I believe
AVRStudio can use this programmer, but I can be positive.)

On Dec 28, 2007 7:10 AM, Zack Widup <w9sz@prairienet.org> wrote:

>
> Wow, I didn't know about that. Is the first one on the webpage (the one
> that requires an additional ATMega8) more versatile?
>
> Zack
>
>
> On Fri, 28 Dec 2007, Christopher Baker wrote:
>
> > http://shop.tuxgraphics.org/electronic/microcontroller.html?id=1dafc3
> >
> > My favorite so far. About a quarter of the way dopwn the page is a ready
> > made SMD version, being compared in size to a match. I have personally
> used
> > it on windows, mac, and linux.
> >
> >
>  
>


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