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Author Topic: AvrUsb500 Review  (Read 2555 times)
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firewalker
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« on: January 29, 2007, 01:48:02 13:48 »

Few days ago I builded the AvrUsb500 STK500 v2 compatible avr programmer from http://www.tuxgraphic.org/electronics/ .

A very good and relatively fast avr USB rpogrammer. You don't need a programmer to program the ATmega8, it is "self programming".  Really system independent (I tried it under Linux and win32). Fully compatible with the AvrStudio (I tried it with the latest version). The communication with the USB port is implanted with the help of an FTDI 232 chip which creates a virtual serial (com) port to your system. Drivers for the FTDI chips are available for any kind of OS (32 and 64 bits, including Windows Vista Linux and MacOs) to the companies site http://www.ftdichip.com/.

The only thing that may trouble you is the soldering of the smd FTDI chip. I solder it with a jbc pencil soldering iron using a really small head and thin solder wire. If you have some experience with soldering you wont find it very difficult.

I think that someone could connect the ATmega8 directly to the serial port with the help of an max232 chip and remove the FTDI smd chip. But you will need to find a programmer to program the programmer and you will loose the usb interface. This is only if you want the STK500 v2 compatibility without the difficulty of the smd chip. I will try it the next days.   





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mambattiyaan
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« Reply #1 on: February 01, 2007, 10:05:32 10:05 »

Thanks for that feedback firewalker.

So nice of you to take the effort to keep us informed.
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riteshjain_82
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« Reply #2 on: June 21, 2007, 05:01:07 17:01 »

the link is not working
please post your work
thankx
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hate
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« Reply #3 on: June 21, 2007, 05:38:12 17:38 »

Nice project but there exits a better solution!

http://www.obdev.at/products/avrusb/avrdoper.html

No special USB Chip needed only an ATMega8. Open source with pcb files. STK500 V2 compatible also!
Includes debugger hardware and compatible with GNU debugger! I tested and it works perfectly. Give it a try!

Regards...
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edi14_10
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« Reply #4 on: February 18, 2008, 03:35:29 15:35 »

Hi. does avrdoper compatible with avrstudio?
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microkid
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« Reply #5 on: February 18, 2008, 05:27:23 17:27 »

Yes it will work with AVR Studio.

MicroKid
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Mega32
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« Reply #6 on: February 27, 2008, 06:54:15 18:54 »

Hmm ....

They state that the USB CDC mode (Virtual COM Port) (Used by avr studio) , violates specs , and i know the author of the CDC code stated that he had some PC Chipsets where it wouldn't work.

They recommend HID mode, and avrdude supports HID mode.

So there isn't a 100% guarantee that CDC/Serial will work , and if not so won't avr studio.

Mega32
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