[Lab] Piezo [was Re: Lab Digest, Vol 13, Issue 14]

[Jean-Marc LeBlanc]

It just going to play a midi song and blink light kind of like a
signing xmas tree and I want to keep the circuitry simple

Jean-Marc Le Blanc
---

"Do you pine for the nice days of Minix-1.1, when men were men and
wrote their own device drivers?" Linus Torvalds




On Thu, Mar 10, 2011 at 11:54 AM,  <bentfork at gmail.com> wrote:
> The 430 should work well.  I was able to make this poor little piezo
> sing few octaves worth of notes before the sound of it drove me (and
> more importantly others) nuts.
>
> On Thu, Mar 10, 2011 at 11:43 AM, Jean-Marc LeBlanc
> <jeanmarc.leblanc at gmail.com> wrote:
>> Lol I will be using a MSP430 to drive it.  I have an old write watch
>> with a allarm and a dead battery this should be good enough.  Thanks
>> allot for offering.  If it doesn't work Ill let you know
>>
>> Jean-Marc Le Blanc
>> ---
>>
>> "Do you pine for the nice days of Minix-1.1, when men were men and
>> wrote their own device drivers?" Linus Torvalds
>>
>>
>>
>>
>> On Thu, Mar 10, 2011 at 11:41 AM,  <bentfork at gmail.com> wrote:
>>> I've a number of piezo's in my project box at home.  I'd be more than
>>> happy to share one or two.  I don't have the part number handy but It
>>> _can_ be driven directly from a MSP430 IO pin via PWM with a
>>> reasonable volume.
>>>
>>> Let me know if this could help.  I think they cost me between 20-75 cents each.
>>>
>>> On Thu, Mar 10, 2011 at 9:37 AM,  <lab-request at artengine.ca> wrote:
>>>
>>>> Message: 4
>>>> Date: Thu, 10 Mar 2011 09:13:45 -0500
>>>> From: Jean-Marc LeBlanc <jeanmarc.leblanc at gmail.com>
>>>> Subject: [Lab] piezo
>>>> To: lab at artengine.ca
>>>> Message-ID:
>>>>        <AANLkTim9yUW-Y=VrPiTL8ChemjOpRLUJyiv9oOmhDmbB at mail.gmail.com>
>>>> Content-Type: text/plain; charset=ISO-8859-1
>>>>
>>>> I would like to use a piezo in a project of mine.  I need to have this
>>>> project done by Saturday morning.  Any one know where I can get one?
>>>> I Though of gervais and active, but they close too early as I work
>>>> till 5.  Any one one of some thing that might contain one like a
>>>> birthday card or is that a speaker?
>>>>
>>>> Jean-Marc Le Blanc
>>>> ---
>>>>
>>>
>>
>