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Re: Batteries



Thanks.  =)


On Tue, 15 Feb 2000, Tim Vanderhoek wrote:

> The batteries we talked about from Sayal for ~38cents (after tax) per
> are still available.
> I will be coming into the lab tomorrow.  Just so you know, Joyce may
> not come into the lab at all.  I may not arrive until after morning (I
> only got-up early the last couple times due to Joyce! :-).
> As a general update, since you might not know otherwise: Tim still has
> a lot of programming work to do.  Joyce is going to do soldering today
> --- stuff like the relays that multiplex the IR sensors.  The sensor
> circuit is still acting somewhat finicky.  It works about 5X better on
> the east side of the room than it works on the west side.  Why?  Urg...  
> We're not sure.  The main problem from Monday had been that the sensor
> circuit would routinely return false positivies (ie. it would detect a
> sensor signal that didn't exist).  That has been mostly fixed --- it
> was an error in how the signal logic levels were being changed.
> Joyce should be able to finish her stuff other than the sensors soon.
> I tried to get the monitor program (the program that lets me download
> code directly onto the 6502 board from my own computer rather than
> needing to burn an eprom) working.  It wouldn't.  Reasons unknown.
> I'm not sure it it's my fault --- I need to find another 6502 group
> that is trying to make the monitor work.
> I plan to come into the lab tomorrow to test Joyce's motor circuit (aka
> the Tachyon Controller) with a small test program (for double+ fun, we
> could hook the motors up to Zeta's drive system, if that's ready).
> You'll probably get this email before you see me.  The sooner we know
> about the batteries, the better.
> One advantage of Sayal's AAs over others: they're not mail-order.  If
> we get some now and some later (!!!! _assuming_ they're still available
> later... !!!!) then there's no extra hit on shipping costs (other than
> my parents' general inconvenience, but that doesn't count!  ;-)
> In her email about the batteries, my mother forgot to remind me about
> the price of the AAs.  I think it was 38cents per battery (after tax).
> It was in that range.  Comparing this to your original price of $30/72,
> and remembering that this was 30USD (ie. American), but that the 38c
> is Canadian, I think this may be a really good price for the AAs...  It
> may be that the only thing cheaper would be going to something other
> than AAs.
> I think Sayal also has small 9V batteries (the 5x2x2cm ones) available
> for $1 (before tax).
> I just finished-off during this email the chips you bought me.  They
> were quite good.  :-)
> -- 
> Signature withheld by request of author.