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[avr-chat] isp-usb
From: |
Hanns-Konrad Unger |
Subject: |
[avr-chat] isp-usb |
Date: |
Tue, 07 Mar 2006 19:36:16 +0100 |
>"Royce Pereira" <address@hidden> wrote:
>
>> Can any one recommend a AVR programmer using the USB port? I need
>> something I can build myself, not buy commercially.
>
>There's Atmel's original device AVRISP mkII. You can use it both with
>the Atmel tools (avrprog.exe?) as well as with AVRDUDE. From what
>I've noticed in various forums, they are probably somewhat hard to get
>hold of these days.
>
>Then there's Matthias Wei=DFer's USBisp project, a do-it-yourself
>programmer where he offers the full circuit diagram, the firmware as
>opensource, and sells the PCBs for little money:
>
>http://www.matwei.de/doku.php?id=3Den:electronics:usbisp
>
>The firmware talks STK500 protocol (either V1 or V2), so it's also
>compatible with both tools.
>
>If you look out at avrfreaks.net, there's a guy who turned an AVR
>butterfly into a programmer using a specially crafted firmware
>(buttload). This is RS-232, not USB, but should work using a standard
>USB-RS-232 converter.
How about a standard USB-RS-232 converter with application AVR910?
Pros: very cheap, no smd
Cons: ??? (what are the known problems of AVR910?)
Hanns-Konrad