[Chugalug] Pi or 'Duino?

Eric Wolf ebwolf at gmail.com
Tue Aug 13 02:36:52 UTC 2013


I have a couple spare USB wifi adapters. So that's a non-issue.

I wonder if Sparkfun has a retail shop? They are on my way to work.
Unfortunately their next "Intro to Arduino" class coincides with a track
day.

Maybe I should just wait for this Wifi Arduino board.

-Eric


-=--=---=----=----=---=--=-=--=---=----=---=--=-=-
Eric B. Wolf                           720-334-7734




On Mon, Aug 12, 2013 at 7:26 PM, Jason Griffey <griffey at gmail.com> wrote:

>
> You're forgetting you'll have to buy a USB wifi adapter for the RPi as
> well. They aren't much but it doesn't have wifi built in.
>
> The arduino wifi shield is easy, and has a huge codebase to draw from for
> different uses. For driving a servo, I don't think the RPi is the right
> answer. The Arduino will do what you want very, very easily.
>
> Jason
>
>
> On Mon, Aug 12, 2013 at 8:05 PM, Eric Wolf <ebwolf at gmail.com> wrote:
>
>> I was wondering about the I/O ease with the Pi. It sounds like the
>> Arduino is much easier. The big thing I need is to drive a stepper motor on
>> the treat hopper. Secondarily, I'll want to trigger some kind of bell (ala
>> Pavlov's Dog). I'd really like an HTTP interface I can initiate the treat
>> sequence. I can do all the monitoring elsewhere (front door activity,
>> neighbor dogs in their yards, etc).
>>
>> How hard is it to get a wifi interface on the Arduino?
>>
>> I think I just answered my question... right now a Wifi shield, alone,
>> costs about the same as a Raspberry Pi. But there's a wifi Arduino project
>> that costs $39 that's still in pre-order:
>>
>> https://www.sparkdevices.com/status#
>>
>> So where is the pain the greatest: connecting a servo to the Raspberry or
>> connecting wifi to the Arduino?
>>
>> -Eric
>>
>>
>> -=--=---=----=----=---=--=-=--=---=----=---=--=-=-
>> Eric B. Wolf                           720-334-7734
>>
>>
>>
>>
>> On Mon, Aug 12, 2013 at 6:08 PM, Dan Lyke <danlyke at flutterby.com> wrote:
>>
>>> On Mon, Aug 12, 2013 at 3:36 PM, Eric Wolf <ebwolf at gmail.com> wrote:
>>> > Raspberry Pi or an Arduino for the controller. The advantage of the Pi
>>> is
>>> > easy of programming (Python FTW). The disadvantage is largely cost.
>>>
>>> Arduino C++ isn't that hard. And the ease of interfacing to the
>>> Arduino (milliamps vs microamps) makes the Arduino my first choice.
>>>
>>> I just got a Gertboard to make Pi interfacing easier, but basically
>>> everyone who's doing serious Pi stuff just hangs an AVR device,
>>> usually as an Arduino, off of it to get I/O into the range where
>>> you're not stepping on eggshells and hoping you don't overdrive the
>>> Pi's GPIO.
>>>
>>> Dan
>>> _______________________________________________
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>>>
>>
>>
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>
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