[TI-H] Re: Speaker
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[TI-H] Re: Speaker
I'm not mad at all... I'm stating I need to get that IT internship at the
hospital a mile from my house, in a way of saying, I NEED A JOB. I think I
could scrounge up some money for a PIC chip.
----- Original Message -----
From: "Peter-Martijn Kuipers" <hbyte@hbyte.net>
To: <ti-hardware@lists.ticalc.org>
Sent: Saturday, May 03, 2003 11:05 AM
Subject: [TI-H] Re: Speaker
> Wow - don't be mad......
> I didn't mean to .. well - whatever you thought I was meaning ....
>
> I was replying to Tim, who said he wanted to convert his design to a PIC
> (microcontroller), since most people start thinking about the PIC16F84
> when thinking about PIC's, I thought to give him a tip someone gave me a
> few months ago - about the PIC16F628 being better and cheaper.....
>
> greetz,
> --peter-martijn
>
> On Sat, 3 May 2003, Nick Peaden wrote:
>
> > How much money do you think i have? I've got ziltch. I can't even buy a
nice
> > little cheap microchip...
> > ----- Original Message -----
> > From: "Peter-Martijn" <hbyte@hbyte.net>
> > To: <ti-hardware@lists.ticalc.org>
> > Sent: Saturday, May 03, 2003 9:54 AM
> > Subject: [TI-H] Re: Speaker
> >
> >
> > > If you're smart, use a PIC16F628, it has built-in UART, and is cheaper
> > than
> > > a 16F84 while 100% pin-compatible
> > > --peter-martijn
> > > ----- Original Message -----
> > > From: "Tim Comport" <thetechplace@lycos.co.uk>
> > > To: <ti-hardware@lists.ticalc.org>
> > > Sent: Thursday, May 01, 2003 3:07 PM
> > > Subject: [TI-H] Re: Speaker
> > >
> > >
> > > > >From memory, Cullen began work on connecting a PS/2 keyboard
> > > > to the calc long before TI even hinted of releasing an external
> > > > keyboard (? I wonder ?). Anyway, I think this is a great idea and
> > > > maybe very useful if you used a 'portable' keyboard; such
> > > > as a stowaway or rollable keyboard. In fact, after reading of
Cullen's
> > > > efforts I began work on a version which made use of the 89's silent
> > > > link capabilities (so that you wouldn't need any on-calc software);
> > > > but since I bought a PPC I haven't really done any more work on
this.
> > > > I completed an 'expensive' prototype and had the intentions of
> > > > converting
> > > > my design to use a cheap PIC. You can see my progress on my site at
> > > > thetechplace.cjb.net
> > > > if you want the source for the BASIC Stamp e-mail me.
> > > >
> > > > Good luck with your efforts,
> > > >
> > > > Tim
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: ti-hardware-bounce@lists.ticalc.org
> > > > [mailto:ti-hardware-bounce@lists.ticalc.org] On Behalf Of Nick
Peaden
> > > > Sent: Tuesday, 29 April 2003 9:31 AM
> > > > To: ti-hardware@lists.ticalc.org
> > > > Subject: [TI-H] Re: Speaker
> > > >
> > > > OK just wondering. I had soldered one together and remember hearing
that
> > > > the
> > > > speaker was purely inductive and not good for the link port, but I
> > > > haven't
> > > > had any troubles... BTW... has anyone read up on the TI-PS/2
Keyboard
> > > > connection by michael vincent and Cullen Logan. Tech docs are at
> > > > http://www.psikan.com
> > > > ----- Original Message -----
> > > > From: "Nivek" <nivek_ent@yahoo.com>
> > > > To: <ti-hardware@lists.ticalc.org>
> > > > Sent: Monday, April 28, 2003 6:44 PM
> > > > Subject: [TI-H] Re: Speaker
> > > >
> > > >
> > > > > i used to make and sell speakers for TI calcs, what i did was
bought a
> > > > > 3.4mm? (whatever size the plug is on the link cables) from Radio
Shack
> > > > > and connected them to a Piezo buzzer, i didn't have any problems.
> > > > hope
> > > > > this helps
> > > > >
> > > > > Kevin
> > > > > --- Nick Peaden <Nitrocloud@earthlink.net> wrote:
> > > > > > I've heard that using a small broken headphone for a calc
speaker
> > > > > > (I'm on 89) would cause damage to the link port due to purely
> > > > > > inductive loads. Is this true? Is a piezo buzzer better? Should
I
> > > > > > make a TI-89 TSR program driver for the PS/2 keyboard connection
> > > > that
> > > > > > Cullen Logan and Michael Vincent have made? Why haven't I heard
much
> > > > > > from this list?
> > > > >
> > > > >
> > > > > =====
> > > > > Nivek_ent@yahoo.com
> > > > > Track where your money goes! See Where It's Been!
> > > > http://www.WheresGeorge.com
> > > > >
> > > > > __________________________________
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