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Re: [AVR-Chat] Sensor filtering

2005-09-11 by Ralph Hilton

On Sun, 11 Sep 2005 05:13:09 -0000 you wrote: >I have a circuit with an Accelerometer connected to an ATmega32. The >Accel measures 2.5V at rest and goes to .5v or up to 4.5v when tilted. >The motors I am using on this bot cause vibrations when running and I >can't get a clean si

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Re: [AVR-Chat] Re: [OT] Speed of a 245BM/2232C FIFO mode

2005-09-11 by Philipp Adelt

Mark Jordan schrieb: > I have a client using the FT232 at 921600bps with an ATmega128 @ 14.7456MHz > and a VB6 program running on the PC side. He just transfers 3kByte files every > minute, so I have never measured the throughput. > > Mark Jordan OK i see, thanks for the input! P

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Re: [AVR-Chat] Sensor filtering

2005-09-11 by Russell Shaw

Gustavo Goretkin wrote: > I have kind of had this problem for a little while, I am assuming your > accelerometer is on from Analog Devices and also outputs a PWM wave just > like the analog signal. I haven't figured out a way to measure like 4 > PWM waves, out of phase (possibly)

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Re: [AVR-Chat] Sensor filtering

2005-09-11 by Gustavo Goretkin

I have kind of had this problem for a little while, I am assuming your accelerometer is on from Analog Devices and also outputs a PWM wave just like the analog signal. I haven't figured out a way to measure like 4 PWM waves, out of phase (possibly) in my application. I am afraid

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Sensor filtering

2005-09-11 by michaelsteinbach

I have a circuit with an Accelerometer connected to an ATmega32. The Accel measures 2.5V at rest and goes to .5v or up to 4.5v when tilted. The motors I am using on this bot cause vibrations when running and I can't get a clean signal fromt he Accel. Is there a way to filter the

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Re: [AVR-Chat] ARRGGGHHHHH PCB's

2005-09-10 by Thomas Keller

On Fri, 2005-09-09 at 22:33 -0400, Brian Dean wrote: > On Sun, Sep 04, 2005 at 07:28:24AM +0100, Leon Heller wrote: > > http://www.custompcb.com/ > > They are in Malasia. I've used them from the UK, but they are much > > closer to you. Excellent service and quality, and the price

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Re: [AVR-Chat] ARRGGGHHHHH PCB's

2005-09-10 by Leon Heller

----- Original Message ----- From: "Brian Dean" To: Sent: Saturday, September 10, 2005 3:33 AM Subject: Re: [AVR-Chat] ARRGGGHHHHH PCB's > On Sun, Sep 04, 2005 at 07:28:24AM +0100, Leon Heller wrote: > >> http://www.custompcb.com/ >> >> They are in Malasia. I've used them from th

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Re: [AVR-Chat] ARRGGGHHHHH PCB's

2005-09-10 by Brian Dean

On Sun, Sep 04, 2005 at 07:28:24AM +0100, Leon Heller wrote: > http://www.custompcb.com/ > > They are in Malasia. I've used them from the UK, but they are much > closer to you. Excellent service and quality, and the prices are > very reasonable. Sounds good, but I sent e-mail to

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Re: [AVR-Chat] new to AVR but not new to micros

2005-09-09 by David Kelly

On Fri, Sep 09, 2005 at 04:39:32PM -0400, Jim Wagner wrote: > I think that GCC comes with a Windoze IDE (WinAVR, > pronounced WhenEver). No, its the other way around. WinAVR is a Windows bundled install of avr-gcc and other essentials for AVR development. Some is GUI, some is not

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Re: [AVR-Chat] new to AVR but not new to micros

2005-09-09 by Jim Wagner

I think that GCC comes with a Windoze IDE (WinAVR, pronounced WhenEver). There is an AVR GCC forum at www.avrfreaks.net Jim On Fri, 09 Sep 2005 20:27:54 -0000 "Gus" wrote: > Hello, > > I have been using ARM, PIC, X86 for a long time and now > we need to do > a project using AVRs.

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new to AVR but not new to micros

2005-09-09 by Gus

Hello, I have been using ARM, PIC, X86 for a long time and now we need to do a project using AVRs. Any ideas on where/how to start up with some (low cost) IDE for windows that uses GCC fro AVR? We need to program in 'C' I think olimex boards and jtag are the way to go for hardwar

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Re: [OT] Speed of a 245BM/2232C FIFO mode

2005-09-09 by Mark Jordan

On 9 Sep 2005 at 17:56, Philipp Adelt wrote: > Dennis Clark schrieb: > > Can you buy it anywhere? It sure sounds nice. I like the fact that it > > is using the FTDI chip, and the parallel one so that it doesn't have the > > serial port limitations on speed. BUT, are there drivers

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Re: [AVR-Chat] veroboard (stripboard) layout of some AVR project?

2005-09-09 by James Washer

It's there now.. wasn't earlier.. guess I need to lay off the booze. - jim On Fri, 9 Sep 2005 09:12:53 +0100 "Leon Heller" wrote: > ----- Original Message ----- > From: "James Washer" > To: > Sent: Friday, September 09, 2005 6:13 AM > Subject: Re: [AVR-Chat] veroboard (stripboard

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Re: [AVR-Chat] veroboard (stripboard) layout of some AVR project?

2005-09-09 by Leon Heller

----- Original Message ----- From: "James Washer" To: Sent: Friday, September 09, 2005 6:13 AM Subject: Re: [AVR-Chat] veroboard (stripboard) layout of some AVR project? > Are you sure the link is there? I found it OK. Leon -- Leon Heller, G1HSM leon.heller@bulldoghome.com http:/

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Re: [AVR-Chat] veroboard (stripboard) layout of some AVR project?

2005-09-09 by Leon Heller

----- Original Message ----- From: "James Washer" To: Sent: Friday, September 09, 2005 5:16 AM Subject: [AVR-Chat] veroboard (stripboard) layout of some AVR project? > I've just become aware of vero-board (stripboard). Ok, I'm a late learner. > I'm having trouble imagining a vero

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FW: Automate 2005 - Personalised Visitor Invitation

2005-09-09 by John Samperi

I will put the invite on the files section. I don't think they would mind me sending this to the group, after all I'm up to my ears in invitations. You ca register on line and don't worry about the invite AND save $15.00. When you register for one exhibition you can wonder to the

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Re: [AVR-Chat] BEC's stand at Austronics

2005-09-09 by Don Ingram

Austronics is on at the Showgrounds on Tue, Weds, thurs next week. www.austronicsexpo.com.au If you don't have a trade pass it will set you back $15 for entry. The show alternates between Sydney & Jeff's shed in Melbourne on alternate years. Cheers Don Astria Nur Irfansyah wrote:

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Re: [AVR-Chat] veroboard (stripboard) layout of some AVR project?

2005-09-09 by James Washer

Are you sure the link is there? On Fri, 09 Sep 2005 00:03:12 -0500 Mike Perks wrote: > James Washer wrote: > > > Mike... I knew it was your page... but I couldn't find your veroboard > > notes on your page.. What's the exact link to the page that shows the > > stripboard article?

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Re: [AVR-Chat] veroboard (stripboard) layout of some AVR project?

2005-09-09 by Mike Perks

James Washer wrote: > Mike... I knew it was your page... but I couldn't find your veroboard > notes on your page.. What's the exact link to the page that shows the > stripboard article? All my projects use stripboard. The specific article on learning to use it is titled "Building

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Re: [AVR-Chat] BEC's stand at Austronics

2005-09-09 by Peter Gargano

Peter Gargano wrote: > Sydney show ground (Homebush) 13 to 15 Sept (Tues to Thurs next week) Actually, that's "Sydney Showground" BTW, when in doubt, Google ... http://www.google.com.au/search?hl=en&q=austronics P.

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Re: [AVR-Chat] BEC's stand at Austronics

2005-09-09 by Peter Gargano

Sydney show ground (Homebush) 13 to 15 Sept (Tues to Thurs next week) http://www.austronicsexpo.com.au/ Astria Nur Irfansyah wrote: > What show? Is there anything i don't know? Is it going to be in sydney? where? p.

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Re: [AVR-Chat] veroboard (stripboard) layout of some AVR project?

2005-09-09 by James Washer

Mike... I knew it was your page... but I couldn't find your veroboard notes on your page.. What's the exact link to the page that shows the stripboard article? THANKS - jim On Thu, 08 Sep 2005 23:45:15 -0500 Mike Perks wrote: > Jim, > > > I've just become aware of vero-board (str

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Re: [AVR-Chat] BEC's stand at Austronics

2005-09-09 by Astria Nur Irfansyah

What show? Is there anything i don't know? Is it going to be in sydney? where? (please dont tell me it's tomorrow) :D On 9/8/05, Peter Gargano wrote: > John Samperi wrote: > > Which day will you be at the show so that I can stay away from the > > BEC stand? Whatever you do don't

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Re: [AVR-Chat] veroboard (stripboard) layout of some AVR project?

2005-09-09 by Mike Perks

Jim, > I've just become aware of vero-board (stripboard). Ok, I'm a late > learner. I'm having trouble imagining a vero-board AVR project. Has > any of you ever used a veroboard on an AVR project? If so, would you > care to share your layout? or photos? I use veroboard all the ti

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veroboard (stripboard) layout of some AVR project?

2005-09-09 by James Washer

I've just become aware of vero-board (stripboard). Ok, I'm a late learner. I'm having trouble imagining a vero-board AVR project. Has any of you ever used a veroboard on an AVR project? If so, would you care to share your layout? or photos? thanks - jim

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New file uploaded to AVR-Chat

2005-09-09 by AVR-Chat@yahoogroups.com

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the AVR-Chat group. File : /HTML.Automate.ETMPacific.pdf Uploaded by : samperiau Description : Austronics invite You can access this file at the URL: http://groups.yahoo

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RE: [AVR-Chat] USB ISP - STK500 compatible

2005-09-09 by Larry Barello

http://www.kitkorea.com/front/php/product.php?product_no=857&main_cate_no=1& display_group=2 The above URL is in Korean, but you should be able to figure it out by the pictures. An USB dongle (very small) with both STK500 AND JTAG ports. Compatible with studio 4.11 and above. $45

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Re: [AVR-Chat] USB ISP - STK500 compatible

2005-09-09 by Thomas Keller

On Fri, 2005-09-09 at 10:18 +1000, Peter Gargano wrote: > Dennis Clark wrote: > > Can you buy it anywhere? > I'm not aware of this being available as a product. If you're referring to the USBisp that we had a pointer to earlier, yes, you can purchase the PC Boards from the fellow

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Re: [AVR-Chat] USB ISP - STK500 compatible

2005-09-09 by John Samperi

At 10:18 AM 9/09/2005, you wrote: >Does anyone know if the STK500 "protocol" is documented? Look for AVR068 for version 2. Regards John Samperi ****************************************************** Ampertronics Pty. Ltd. 11 Brokenwood Place Baulkham Hills, NSW 2153 AUSTRALIA Tel

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Re: [AVR-Chat] USB ISP - STK500 compatible

2005-09-08 by Dennis Clark

Peter Gargano wrote: > Has anyone tried this? > > http://www.matwei.de/doku.php?id=en:electronics:usbisp > > I have some spare space on a proto panel ... > > Peter > > > > > > > > > > te. Can you buy it anywhere? It sure sounds nice. I like the fact that it is using the FTDI chip

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Re: [AVR-Chat] USB ISP - STK500 compatible

2005-09-08 by Peter Gargano

Dennis Clark wrote: >> http://www.matwei.de/doku.php?id=en:electronics:usbisp > Can you buy it anywhere? It sure sounds nice. I like the fact that it > is using the FTDI chip, and the parallel one so that it doesn't have the > serial port limitations on speed. BUT, are there driv

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USB ISP - STK500 compatible

2005-09-08 by Peter Gargano

Has anyone tried this? http://www.matwei.de/doku.php?id=en:electronics:usbisp I have some spare space on a proto panel ... Peter te.

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Re: [AVR-Chat] Current wisdom for Host/Peripheral USB mode app

2005-09-08 by Peter Gargano

Thomas Keller wrote: > Peter: > > if I read the data sheet correctly, the part I referred you to > supports host mode (OTG?). Since it also includes the 48 Mhz AVR > processor, itm ay be just what you're looking for (though I have no clue > what the price point on this part is).

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Re: [AVR-Chat] Current wisdom for Host/Peripheral USB mode app

2005-09-08 by Thomas Keller

Peter: if I read the data sheet correctly, the part I referred you to supports host mode (OTG?). Since it also includes the 48 Mhz AVR processor, itm ay be just what you're looking for (though I have no clue what the price point on this part is). Tom

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Re: [AVR-Chat] Current wisdom for Host/Peripheral USB mode app

2005-09-08 by Peter Gargano

Thomas Keller wrote: > Have you seen this AVR chip yet? 48 Mhz clock, and USb built in: > http://www.atmel.com/dyn/products/product_card.asp?family_id=655&family_name=USB+Controllers&part_id=3556 This is the closest AVR part that would do the USB part of what I want. I think it's

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Re: [AVR-Chat] Current wisdom for Host/Peripheral USB mode app

2005-09-08 by Thomas Keller

Have you seen this AVR chip yet? 48 Mhz clock, and USb built in: http://www.atmel.com/dyn/products/product_card.asp?family_id=655&family_name=USB+Controllers&part_id=3556 On Thu, 2005-09-08 at 10:35 +1000, Peter Gargano wrote: > I'm designing a device that will use a 44 pin AVR c

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BEC's stand at Austronics

2005-09-08 by Peter Gargano

John Samperi wrote: > Which day will you be at the show so that I can stay away from the > BEC stand? Whatever you do don't damage my display :-) No, be there on Wednesday, I'm not always angry ;-). Although, at the moment, USB has me tearing out my hair. Peter.

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Re: [AVR-Chat] Current wisdom for Host/Peripheral USB mode app

2005-09-08 by Peter Gargano

John Samperi wrote: > Isn't the 44pin device restricting you to basically the M32 max? > A 64 pin will give you M64,128 or 256...or if you use assembler > you can get away with a m8535 perhaps :-) Sure, 64 pins is OK, but I figure a 44 pin M32 will be enough code (and RAM) space

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Re: [AVR-Chat] Current wisdom for Host/Peripheral USB mode app

2005-09-08 by John Samperi

At 10:35 AM 8/09/2005, you wrote: >I'm designing a device that will use a 44 pin AVR chip like the >Mega32, or up. Isn't the 44pin device restricting you to basically the M32 max? A 64 pin will give you M64,128 or 256...or if you use assembler you can get away with a m8535 perhap

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Current wisdom for Host/Peripheral USB mode app

2005-09-08 by Peter Gargano

I'm designing a device that will use a 44 pin AVR chip like the Mega32, or up. It will use whatever has the code space needed. This device stores data on a USB-key (flash drive) in FAT16/FAT32 format. Speed of reading from and writing to the USB key is probably not an issue. I be

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Re: [AVR-Chat] R/C throttle control ?

2005-09-07 by Thomas Keller

On Tue, 2005-09-06 at 16:51 -0400, Tom Becker wrote: > > ... If it has only two leads, it is NOT a BLDC motor. Period. > Perhaps my confusion comes from experience. I have PWM'd two-lead > maglev brushless DC blowers > (http://www.sunon.com.tw/products/pdf/2005dc-maglev.pdf), and

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RE: [AVR-Chat] Re: R/C throttle control ? what is best ?

2005-09-07 by Phillip Vogel

Check out www.ramprodinc.com or www.naildrill.com. They have brush motors, but they are VERY reliable. Used by dentists, carvers and manicurists. Some of their units are PIC controlled, and you could easily tap into the control circuit with your own PWM. -- So, if I restated my g

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Re: [AVR-Chat] R/C throttle control ?

2005-09-06 by Tom Becker

> ... If it has only two leads, it is NOT a BLDC motor. Period. Perhaps my confusion comes from experience. I have PWM'd two-lead maglev brushless DC blowers (http://www.sunon.com.tw/products/pdf/2005dc-maglev.pdf), and I've PWM'd small brushless DC gearhead motors (http://www.co

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RE: [AVR-Chat] R/C throttle control ?

2005-09-06 by Larry Barello

Don't confuse commutation with PWM used to adjust the amount of power being delivered to a coil of wire. In traditional PMDC motors mechanical switches (brushes) do the commuting so all that is needed is one PWM circuit to control power. BLDC are more complex and because commutin

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Re: [AVR-Chat] R/C throttle control ?

2005-09-06 by Thomas Keller

On Mon, 2005-09-05 at 14:02 -0400, Tom Becker wrote: > > ... In a PWMed brushless DC motor, for example, there are three > "phases"... > Yes, I understand that quite well. I question the terminology. > Is a brushless DC motor just the frame, stator and armature? I > suggest that

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Re: [AVR-Chat] Re: R/C throttle control ? what is best ?

2005-09-06 by Thomas Keller

> The problem with the current small mills is that the motors are slow > speed, rarely over 6,000 RPM and certainly not up near 30,000 RPM > An entire mill head is available, but the motor is over 4 pounds, I'm > expecting my entire unit to weight less than one pound. I suspect y

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Re: R/C throttle control ? what is best ?

2005-09-06 by Dave Mucha

--- In AVR-Chat@yahoogroups.com, Thomas Keller wrote: > > The problem with the current small mills is that the motors are slow > > speed, rarely over 6,000 RPM and certainly not up near 30,000 RPM > > An entire mill head is available, but the motor is over 4 pounds, I'm > > expec

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