Comments on: Minimal Arduino with ATmega8 http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/ Random experiments, circuits, code, rapid prototyping, sometimes things to buy, and the odd tune by Tod E. Kurt. Tue, 07 Feb 2012 02:00:44 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Bob http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-79369 Bob Tue, 03 Jan 2012 00:06:22 +0000 http://todbot.com/blog/?p=494#comment-79369 I had a problem with this, some error about a device signature that couldn't be read (don't remember it exactly). In boards.txt, I had to change: atmega8noxtal.upload.protocol=stk500 Into: atmega8noxtal.upload.protocol=arduino And now it works :) I had a problem with this, some error about a device signature that couldn’t be read (don’t remember it exactly).

In boards.txt, I had to change:

atmega8noxtal.upload.protocol=stk500

Into:

atmega8noxtal.upload.protocol=arduino

And now it works :)

]]> By: Memanfaatkan Arduino IDE tanpa Arduino board « Pikir dan Rasa http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-78489 Memanfaatkan Arduino IDE tanpa Arduino board « Pikir dan Rasa Sat, 19 Nov 2011 18:56:55 +0000 http://todbot.com/blog/?p=494#comment-78489 [...] - http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/ [...] [...] – http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/ [...]

]]> By: Memanfaatkan Arduino IDE tanpa Arduino board « Pikir dan Rasa http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-78490 Memanfaatkan Arduino IDE tanpa Arduino board « Pikir dan Rasa Sat, 19 Nov 2011 18:56:55 +0000 http://todbot.com/blog/?p=494#comment-78490 [...] - http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/ [...] [...] – http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/ [...]

]]> By: mk2 http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-78325 mk2 Sat, 15 Oct 2011 23:40:18 +0000 http://todbot.com/blog/?p=494#comment-78325 Just tried it out (Atmega8) and had the problem that the pure breadboard version would not start. I finally solved it by grounding pin 2 (RxD). However - nice work! mk2 Just tried it out (Atmega8) and had the problem that the pure breadboard version would not start. I finally solved it by grounding pin 2 (RxD).

However – nice work!
mk2

]]> By: humble beginnings | Riktronic http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-78193 humble beginnings | Riktronic Mon, 19 Sep 2011 08:16:13 +0000 http://todbot.com/blog/?p=494#comment-78193 [...] board that would go in the enclosure. This was where we switched from an atmega8 using Todbot’s “minimal arduino” setup to an atmega168, and this was also where I embarked on a journey of discovery where I learned that [...] [...] board that would go in the enclosure. This was where we switched from an atmega8 using Todbot’s “minimal arduino” setup to an atmega168, and this was also where I embarked on a journey of discovery where I learned that [...]

]]> By: Blog do Je » Arduino minimo sem cristal http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-78165 Blog do Je » Arduino minimo sem cristal Tue, 06 Sep 2011 11:24:40 +0000 http://todbot.com/blog/?p=494#comment-78165 [...] tendo como conseqüência uma area de memoria maior para os sketches. Divirtam-se !! Links : Minimal Arduino with ATmega8 Arduino Standalone by Isaias Coelho arduino.cc Posts relacionados: 1o. Encontro Open Hardware de [...] [...] tendo como conseqüência uma area de memoria maior para os sketches. Divirtam-se !! Links : Minimal Arduino with ATmega8 Arduino Standalone by Isaias Coelho arduino.cc Posts relacionados: 1o. Encontro Open Hardware de [...]

]]> By: putyn http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-77988 putyn Sat, 16 Jul 2011 14:52:55 +0000 http://todbot.com/blog/?p=494#comment-77988 hey, nice tutorial, but i have one question can i use my serial connection if i have one (i still have a pc with a serial connection that works) hey, nice tutorial, but i have one question can i use my serial connection if i have one (i still have a pc with a serial connection that works)

]]> By: Ghate » Archive » Standalone Arduino http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-77971 Ghate » Archive » Standalone Arduino Tue, 12 Jul 2011 07:53:08 +0000 http://todbot.com/blog/?p=494#comment-77971 [...] this tutorial shows that it is possible to upload new sketches onto this configuration, I could not make it work [...] [...] this tutorial shows that it is possible to upload new sketches onto this configuration, I could not make it work [...]

]]> By: Adam http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-77957 Adam Sat, 09 Jul 2011 19:48:49 +0000 http://todbot.com/blog/?p=494#comment-77957 After a week of testing I keep running into a very weird problem. The only way I can get this to work is if I burn the bootloader with an STK500, then connect up my FTDI cable to the chip (while power is supplied by the STK500). At this point I can program the chip through the Arduino IDE, but the weird thing is that I can only do this 1 time after burning the bootloader. Any other time I get "avrdude: stk500_recv(): programmer is not responding" from the Arduino IDE. I don't understand how it works the first time, but not the second. My test is to burn the "Blink" example. The first time I do it, I change the delays to 500 so I can tell that it has worked. The second time I try using 2500 on both delays. When this won't work, I burn the bootloader again and then (without changing anything on the arduino IDE, leaving the delays at 2500) it burns correctly. I have even tried just burning the exact same sketch twice to no avail. I am using Atmega238P-PU chips. This is driving me nuts. I'm pulling my hair out, what am I doing wrong? After a week of testing I keep running into a very weird problem. The only way I can get this to work is if I burn the bootloader with an STK500, then connect up my FTDI cable to the chip (while power is supplied by the STK500). At this point I can program the chip through the Arduino IDE, but the weird thing is that I can only do this 1 time after burning the bootloader. Any other time I get “avrdude: stk500_recv(): programmer is not responding” from the Arduino IDE. I don’t understand how it works the first time, but not the second.

My test is to burn the “Blink” example. The first time I do it, I change the delays to 500 so I can tell that it has worked. The second time I try using 2500 on both delays. When this won’t work, I burn the bootloader again and then (without changing anything on the arduino IDE, leaving the delays at 2500) it burns correctly. I have even tried just burning the exact same sketch twice to no avail.

I am using Atmega238P-PU chips. This is driving me nuts. I’m pulling my hair out, what am I doing wrong?

]]> By: Welly http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-77306 Welly Tue, 14 Jun 2011 07:45:00 +0000 http://todbot.com/blog/?p=494#comment-77306 Hi, I am using Arduino Duelmilanove and when I upload there is an error message "avrdude: usbdev_open (): did not find any USB device" usb ". How do I fix this. Hi, I am using Arduino Duelmilanove and when I upload there is an error message “avrdude: usbdev_open (): did not find any USB device” usb “. How do I fix this.

]]> By: jorik31 http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-76814 jorik31 Mon, 14 Feb 2011 20:08:36 +0000 http://todbot.com/blog/?p=494#comment-76814 Tangle, I solved this problem by uploading new sketch in a moment of starting Arduino. This is means that I turn OFF Arduino, after I push UPLOAD button and turn ON my Arduino ^^ Sorry for language, I am russian ^^ Tangle,
I solved this problem by uploading new sketch in a moment of starting Arduino. This is means that I turn OFF Arduino, after I push UPLOAD button and turn ON my Arduino ^^
Sorry for language, I am russian ^^

]]> By: Tangle http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-76797 Tangle Fri, 28 Jan 2011 11:52:19 +0000 http://todbot.com/blog/?p=494#comment-76797 HI, i followed all step show on this website. when bootloader is updated,i linked a led on 13,and it blinks for 8 times. but i can not uploading sketch to it. can u give me some advice? sorry for my expression,English is not my native language. HI,
i followed all step show on this website.
when bootloader is updated,i linked a led on 13,and it blinks for 8 times.
but i can not uploading sketch to it.
can u give me some advice?

sorry for my expression,English is not my native language.

]]> By: Acho http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-76427 Acho Sun, 12 Dec 2010 23:30:03 +0000 http://todbot.com/blog/?p=494#comment-76427 Thanks Tod for your blog, My ATmega8 is running... Fuses: low=0xE4 ; high=0xC2 FT232R (from Sparkfun) and a 0.1uF between DTR and the RESET. Thanks Tod for your blog,
My ATmega8 is running…
Fuses: low=0xE4 ; high=0xC2
FT232R (from Sparkfun) and a 0.1uF between DTR and the RESET.

]]> By: avrnewbie http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-76414 avrnewbie Fri, 10 Dec 2010 17:31:59 +0000 http://todbot.com/blog/?p=494#comment-76414 Hi guys i still hav a problem...i ve burnt atmegaBOOT.hex into my atmega8L with the fuse values low=0xE4 and high=0xC2 Now how to interface my uC using avrdude..? and i don wanna use arduino IDE...jus can any1 of u post the avrdude commmand line..if possible screenshots plz....thanks a lot in advance...:) Hi guys i still hav a problem…i ve burnt atmegaBOOT.hex into my atmega8L with the fuse values
low=0xE4 and high=0xC2
Now how to interface my uC using avrdude..? and i don wanna use arduino IDE…jus can any1 of u post the avrdude commmand line..if possible screenshots plz….thanks a lot in advance…:)

]]> By: artvolk http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/comment-page-4/#comment-76282 artvolk Tue, 09 Nov 2010 09:38:49 +0000 http://todbot.com/blog/?p=494#comment-76282 Tod, I've the same bugreport as the person above :) "Also, for me the fuses that worked were low=0xE4 and high=0xC2 http://www.engbedded.com/fusecalc is a truly wonderful tool for decoding and experimenting with these. The difference between xC2 and xC4 is the assertion for how large the bootloader space is, I think? If so, I think 0xC2 is what you want (512 words 0xC2, rather than 256 words for 0xC4)" It seems to be an error in boards.txt snippet -- the bootloader is 1K, not 0,5Kb. I've figured out with great help from Arduino forums: http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1289168254/13#13 Can you update, so this will save other people some time (one week for me :)). Tod, I’ve the same bugreport as the person above :)

“Also, for me the fuses that worked were low=0xE4 and high=0xC2

http://www.engbedded.com/fusecalc is a truly wonderful tool for decoding and experimenting with these.

The difference between xC2 and xC4 is the assertion for how large the bootloader space is, I think? If so, I think 0xC2 is what you want (512 words 0xC2, rather than 256 words for 0xC4)”

It seems to be an error in boards.txt snippet — the bootloader is 1K, not 0,5Kb. I’ve figured out with great help from Arduino forums:
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1289168254/13#13

Can you update, so this will save other people some time (one week for me :)).

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