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2004-11-26 by Chuck Hackett
> From: Dave VanHorn > > > >1) There are a mind boggling number to choose from (transistor, > >darlington, fet, etc.). Can you give me some guidance as to a 'general > >purpose' device for this type of use and what general conditions the > >device would not be suitable. > > Each
2004-11-26 by Chuck Hackett
Thanks to wbounce and sami for the info on H-Bridges. I particularly like the looks of the LMD18200T. Cheers, Chuck
2004-11-26 by Peter Gargano
Ahh, never trust those canned translations ... http://www.toggletext.com/kataku_trial.php Astria Nur Irfansyah wrote: > > :) > > Here's the translation: > > >>Ridho Alpha wrote: >> >>>ooo klo itu tau...atas nama pak adi kan??? di jakarta > > > Oh, i already know that... the email
2004-11-26 by Astria Nur Irfansyah
You can call me Irfan (obviously i'm a boy, not a girl). Mmh, so you live in Jakarta? I believe you can get stuff much easier than i do. Have you tried www.selc.co.id? Or go to their shop directly? They sell AVRs with a higher price. If you would be patient, i will ask my friend
2004-11-26 by Peter Gargano
Ridho Alpha wrote: > ooo klo itu tau...atas nama pak adi kan??? di jakarta > emang sgto si...tapi pengen beli kyk digikey gto... klo digiware > barangnya suka ga ready stock > > maaf situ laki apa perempuan?? Translation? .... Ooo if that tau. . . On behalf of Sir superior would?
2004-11-26 by Ridho Alpha
ooo klo itu tau...atas nama pak adi kan??? di jakarta emang sgto si...tapi pengen beli kyk digikey gto... klo digiware barangnya suka ga ready stock maaf situ laki apa perempuan?? Astria Nur Irfansyah wrote: Yes, you can order from innovative electronics. Usually i email them: sa
2004-11-26 by Astria Nur Irfansyah
:) Here's the translation: > Ridho Alpha wrote: >> ooo klo itu tau...atas nama pak adi kan??? di jakarta Oh, i already know that... the email owner is Mr. Adi, right? In Jakarta ... >> emang sgto si...tapi pengen beli kyk digikey gto... klo >>digiware >> barangnya suka ga ready s
2004-11-26 by David Jones
>>> techyf@yahoo.com 26/11/2004 3:01:34 pm >>> As I am new to electronics, it would be of great help to me if you could let me know some of the low drop-out version of the 7805 ? For eg., brand name and/ or model reference. I bought a bunch of 7805s (all in one small plastic bag)
2004-11-26 by wbounce
For H-Bridge I am using http://www.hvwtech.com/pages/products_view.asp?ProductID=68 for 1 robot. And This http://www.bdmicro.com/include/display_image.php?img=deadbug_lmd18200t.g if for my bigger bot (3 amps) You will need 6 outputs for the 1st Hbridge or only 4 for the 2nd -----
2004-11-26 by techy fellow
As I am new to electronics, it would be of great help to me if you could let me know some of the low drop-out version of the 7805 ? For eg., brand name and/ or model reference. I bought a bunch of 7805s (all in one small plastic bag) which I noticed some has different model refer
2004-11-26 by David Jones
>>> wbounce@safeplace.net 26/11/2004 2:39:20 pm >>> >I agree with the CLEAN 5V but you do not need 2 sources. You can use the >same source for motor and MCU. You need to put a separate voltage >regulator on the MCU circuit from the motor circuit with caps going from >the input to
2004-11-26 by wbounce
I agree with the CLEAN 5V but you do not need 2 sources. You can use the same source for motor and MCU. You need to put a separate voltage regulator on the MCU circuit from the motor circuit with caps going from the input to ground and from the output to ground. Also an important
2004-11-26 by Ivan Vernot
----- Original Message ----- From: "John Samperi" samperi@ampertronics.com.au > To: AVR-Chat@yahoogroups.com > Sent: Friday, November 26, 2004 1:35 PM Subject: Re: [AVR-Chat] AVR distributor in Indonesia > > At 10:53 AM 26/11/04 +1100, you wrote: > > Hi John, > > I use Unique in
2004-11-26 by John Samperi
At 10:53 AM 26/11/04 +1100, you wrote: > Hi John, > I use Unique in Hurstville. Unique keep the common AVR stuff in > stock. Mine were Micrel chips not Atmel's. I did mention Unique to the original mailer. I have been getting my Mega8 by the tube from Polykom now Soanarplus (Back
2004-11-25 by Ivan Vernot
Hi John, I use Unique in Hurstville. Peter Dau has been good to date and Unique keep the common AVR stuff in stock. Cheers, Ivan ------------------------------------------------------------- REAL TIME DESIGNS Pty Ltd System Solutions in Real Time 203 Cornelia Rd. Toongabbie, NSW
2004-11-25 by John Samperi
At 08:05 PM 25/11/04 +1100, you wrote: > >Aha! So it's not just me! Are we talking about Andrew B? > I can't remember who it was...but I'm still waiting for him to ring back with prices for some chips they are distributors for. Because they didn't have any in stock I had to wait
2004-11-25 by sami saqqa
about the H-bridge try this IC L298 it can handel 3A current Do you Yahoo!? All your favorites on one personal page � Try My Yahoo!
2004-11-25 by Dave VanHorn
> >1) There are a mind boggling number to choose from (transistor, >darlington, fet, >etc.). Can you give me some guidance as to a 'general purpose' device for >this >type of use and what general conditions the device would not be suitable. Each type has it's strengths. Two thing
2004-11-25 by Chuck Hackett
I was going through the Digi-Key catalog to stock up on some components for upcoming projects so as to avoid the $25 minimum and I need some guidance. I'd like to purchase some opto-isolators to be used to buffer AVR digital outputs to field wiring and also to buffer digital fiel
2004-11-25 by James Washer
You've given us so little to work with, it will be difficult. I guess I'd start with "removing" the microcontroller portion of this system, and actuating the system with toggle switches, to make sure the mechanical systems work as expected. Next, I've go back and check my design.
2004-11-25 by Bent Morten Dale
const char *flash = (const char *) 0x0000; // should do the job for you ----- Original Message ----- From: mkrbns To: AVR-Chat@yahoogroups.com Sent: Sunday, November 14, 2004 3:48 PM Subject: [AVR-Chat] Reading Program memory I would like to read a byte of the program memory from
2004-11-25 by Peter Gargano
John Samperi wrote: > At 04:15 PM 25/11/04 +1100, you wrote: > >>Braemac > Yes...but they can be a little slack at times :-) Aha! So it's not just me! Are we talking about Andrew B? Peter .
2004-11-25 by Dave VanHorn
At 01:21 AM 11/25/2004, James Washer wrote: >Irfan, after some 20 years debugging computer system problems, I can tell >you with near 100% certainty, that the answer to your question: > "is the problem caused by HARDWARE or SOFTWARE?" > >is YES, the problem is caused by Hardware
2004-11-25 by Astria Nur Irfansyah
I am quite new in this field, i have been practicing electronics system design for about 2 years. From my experience in microcontrollers, both hardware and software had caused problems. Assuming that the electronic design is correct, it turns out that bad hardware assembly causes
2004-11-25 by James Washer
Irfan, after some 20 years debugging computer system problems, I can tell you with near 100% certainty, that the answer to your question: "is the problem caused by HARDWARE or SOFTWARE?" is YES, the problem is caused by Hardware or Software. As to whether it is HW or SW in your c
2004-11-25 by John Samperi
At 11:45 AM 25/11/04 +0700, you wrote: > >The biggest question is: is the problem caused by HARDWARE >or SOFTWARE? i look at my software and it seems ok. i look >at the hardware schematics and it also looks OK. In the >situation like what i am in now, which should i check >first?
2004-11-25 by Dave VanHorn
> >The biggest question is: is the problem caused by HARDWARE >or SOFTWARE? i look at my software and it seems ok. i look >at the hardware schematics and it also looks OK. In the >situation like what i am in now, which should i check >first? Hardware? or Software? > >If i must ch
2004-11-25 by John Samperi
At 04:15 PM 25/11/04 +1100, you wrote: > >Braemac > Yes...but they can be a little slack at times :-) There is also Unique which is part of Memec Regards John Samperi ****************************************************** Ampertronics Pty. Ltd. 11 Brokenwood Place Baulkham Hills,
2004-11-25 by Peter Gargano
John Samperi wrote: > We have a few in Australia :-) > > futurlec.com, jaycar.com.au, soanarplus.com.au Braemac .
2004-11-25 by John Samperi
At 03:19 AM 25/11/04 +0000, you wrote: > hello.... i live in Indonesia. I want to use ATMEGA16, ATMEGA32, >ATMEGA8535. do you all know about the supplier for AVR in Indonesia, or >countries near Indonesia???? We have a few in Australia :-) futurlec.com, jaycar.com.au, soanarplus.
2004-11-25 by Astria Nur Irfansyah
My project now is to make a gate access. My main problem now is that my program (i am using 8051) looks very OK in simulation, BUT in reality the program execution seems to show occasionally unpredictable results. My project involves relays and motors. I am using SDCC as the comp
2004-11-25 by Astria Nur Irfansyah
Yes, you can order from innovative electronics. Usually i email them: sales@innovativeelectronics.com. Their office is in Surabaya. Or you can order from their website: www.digi-ware.com. Payment is made via BCA cash transfer. I bought ATmega16 about Rp72500, and ATmega8515 about
2004-11-25 by Astria Nur Irfansyah
Yes, you can order from innovative electronics. Usually i email them: sales@innovativeelectronics.com. Their office is in Surabaya. Or you can order from their website: www.digi-ware.com. Payment is made via BCA cash transfer. I bought ATmega16 about Rp72500, and ATmega8515 about
2004-11-25 by Ridho Alpha
hello.... i live in Indonesia. I want to use ATMEGA16, ATMEGA32, ATMEGA8535. do you all know about the supplier for AVR in Indonesia, or countries near Indonesia???? thank you Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now
2004-11-25 by Leon Heller
----- Original Message ----- From: Graham Davies To: AVR-Chat@yahoogroups.com Sent: Wednesday, November 24, 2004 11:25 PM Subject: [AVR-Chat] Re: Any general length considerations for SPI busses? --- In AVR-Chat@yahoogroups.com, "wbounce" wrote: > Isn't SPI a way to connect > a p
2004-11-24 by Graham Davies
--- In AVR-Chat@yahoogroups.com, "wbounce" wrote: > Isn't SPI a way to connect > a pc to a MCU to program it. No. You're thinking of ISP. In-System Programming. Graham.
2004-11-24 by David Jones
>>> washer@trlp.com 25/11/2004 2:32:00 am >>> I'm a newbie at playing with HW.. I've been a software guy forever. Sorry for leaving out details. I've got a couple of different situations. 1) I want to have a remote AVR with an LCD that shows system status. Nothing major, but with
2004-11-24 by wbounce
Isn't SPI a way to connect a pc to a MCU to program it. IF so I am using a 6 foot cable for that. -----Original Message----- From: Leon Heller [mailto:leon.heller@dsl.pipex.com] Sent: Wednesday, November 24, 2004 5:08 AM To: AVR-Chat@yahoogroups.com Subject: Re: [AVR-Chat] Any ge
2004-11-24 by Graham Davies
--- In AVR-Chat@yahoogroups.com, James Washer wrote: > In neither case do I need much speed. > ... I'd thinking tens of bits/second > is all I need. I thought so. CAN is overkill. You need something low-speed and robust that is simple to implement. I would suggest looking into LI
2004-11-24 by Larry Barello
You can run SPI pretty slow. Since each line (MISO, MOSI and SCK) are uni-directional, you could buffer them, or even use LVDS (but then where would the simplicity be...) SPI is really simple, primitive and you can hang simple shift registers off the end. The disadvantage of SPI
2004-11-24 by James Washer
I'm a newbie at playing with HW.. I've been a software guy forever. Sorry for leaving out details. I've got a couple of different situations. 1) I want to have a remote AVR with an LCD that shows system status. Nothing major, but with any of say 20 inputs( think automobile, door
2004-11-24 by brewski922
Not knowing what you meen by the controller but I it seems to me that the AVR/LCD would also be part of your controller. As for the devices that feed you this info. The Door-Open, Ignition- On, Smoke-Alarms and Motion-Detectors are binary and each couild be connected to it own pi
2004-11-24 by Leon Heller
----- Original Message ----- From: James Washer To: AVR-Chat@yahoogroups.com Sent: Wednesday, November 24, 2004 3:32 PM Subject: Re: [AVR-Chat] Re: Any general length considerations for SPI busses? I'm a newbie at playing with HW.. I've been a software guy forever. Sorry for leav
2004-11-24 by Graham Davies
--- In AVR-Chat@yahoogroups.com, James Washer wrote: > ... working on a system ... > ... a few "remote" devices > (ADC, Temp sensors, etc)... People would be able to help you more if you gave us some idea of the data rate you envision. SPI can be pretty fast - do you need that? T
2004-11-24 by Gus
why SPI? you need at least 4 wires for that and it won't work right!!! use CAN instead --- In AVR-Chat@yahoogroups.com, James Washer wrote: > A friend and I are working on a system that will need a few "remote" devices (ADC, Temp sensors, etc) and are trying to determine just how
2004-11-24 by Leon Heller
----- Original Message ----- From: James Washer To: AVR-Chat@yahoogroups.com Sent: Wednesday, November 24, 2004 6:44 AM Subject: [AVR-Chat] Any general length considerations for SPI busses? A friend and I are working on a system that will need a few "remote" devices (ADC, Temp se
2004-11-24 by James Washer
A friend and I are working on a system that will need a few "remote" devices (ADC, Temp sensors, etc) and are trying to determine just how long a wire/bus we can use with SPI. Is 20 feet reasonable? - jim
2004-11-21 by Ian Drennan
----- Original Message ----- From: "Don Kinzer" To: Sent: Saturday, November 20, 2004 10:45 PM Subject: [AVR-Chat] Re: USART string reception > > > --- In AVR-Chat@yahoogroups.com, "Ian Drennan" wrote: > > I [...] want to receive and store a string of 10 bytes transmitted > from
2004-11-21 by Robert Payne
Hi All, Rockby Electronics, a surplus electronics place in Australia has 2313's reasonably cheap http://www.rockby.com.au/Rockby/Mailer/021004_7.htm and look right hand side of flyer just under half way down. What is even cheaper is AT90S4433-8AC in TQFP-32. Have a look at http:/
2004-11-21 by Jeffrey Engel
They list some at www.Sparkfun.com. I'm not sure whether they have any in stock or not. HTH, Jeff Engel --- Dave VanHorn wrote: > > > > Does anyone have a couple of 2313's they could mail > me? > I have some old code that I need to run, but I don't > have any, and it's a > tough