[HH] arduino questions?

[Drew Van Zandt]

Try this on electronics at artisansasylum.com.  I recommend joining the list,
it's generally low or zero traffic, except when someone asks a question
like this.

*
Drew Van Zandt
Artisan's Asylum Craft Lead, Electronics & Robotics
Cam # US2010035593 (M:Liam Hopkins R: Bastian Rotgeld)
Domain Coordinator, MA-003-D.  Masquerade aVST
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On Tue, Jun 12, 2012 at 10:53 AM, Greg London <email at greglondon.com> wrote:

> I don't know if anyone on the lists does anything with Arduino stuff
> or not. Figure I'd give it a shot.
>
> [Q1] The 6 pin ICSP (in circuit serial programming) connector:
>
> Is there anything special about the 5v pin on the ICSP header?
> is it just a static 5v dc? Or does it turn on/off at a certain
> times during programming or change to a different voltage
> during programming?
>
> [Q2] ICSP and brand new parts
>
> So, I've been programming everything using the AVR dragon
> parallel programmer. I got some parts from digikey and
> drop them in the parallel programmer and set the fuses and
> burn the code I want.
>
> Can I program brand new parts using the ICSP?
> change fuse settings? Download new software?
> Does the board have to have an oscillator?
>
> I tried jury-rigging something to program the ATtiny13
> with a home made ICSP connector, but I couldn't get it
> to work. Thought maybe I should see if it can actually
> do what I want it to do.
>
> Maybe I just had something hooked up wrong, but I couldn't
> find it.
>
>
> [Q3] crystal frequency
>
> How hard would it be to run an arduino at something
> other than 16mhz. It looks like every arduino available
> commercially runs at 16mhz except for one model which I
> think was a Lilypad which ran at 8mhz.
>
> Anyone familiar with the bootloader know how much of the
> code has 16mhz hard coded into its assumptions?
>
>
>
>
>
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