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Search took 0.03 seconds. Search: Posts Made By: speakerguy
Forum: Do It Yourself 09/09/2007, 10:46 PM
Replies: 127
Views: 5,415
Posted By speakerguy
Yes, 'tis.

Yes, 'tis.
Forum: Do It Yourself 09/09/2007, 08:51 PM
Replies: 127
Views: 5,415
Posted By speakerguy
It looks like they swapped out the big TO-92...

It looks like they swapped out the big TO-92 parts for SOT-23 parts on the Rev 2 board. Look for 'Q4' upside down just below the pot on the last picture, next to R20 and R33. You can also see Q3...
Forum: Lighting, Filtration & Other Equipment 09/09/2007, 06:46 PM
Replies: 212
Views: 13,635
Posted By speakerguy
Someone on one of my planted tank forums posted a...

Someone on one of my planted tank forums posted a link to what looked to be an identical product to this coralife timer people are talking about. It was $4 plus shipping. The coralife is what, $30?
Forum: Do It Yourself 09/09/2007, 06:41 PM
Replies: 45
Views: 1,386
Posted By speakerguy
You have to buy 2,505 of them to get the Digikey...

You have to buy 2,505 of them to get the Digikey price.
Forum: Do It Yourself 09/09/2007, 01:03 AM
Replies: 45
Views: 1,386
Posted By speakerguy
Even a simple LM317 or other adjustable regulator...

Even a simple LM317 or other adjustable regulator can be turned into a current source. You lose adjustability with that setup, but it'll cost you all of $1 in parts to get up to 1.5 amps of current....
Forum: Do It Yourself 09/08/2007, 03:52 PM
Replies: 45
Views: 1,386
Posted By speakerguy
PS - does anyone here do any PIC programming? I...

PS - does anyone here do any PIC programming? I do quite a bit.

And what are the best LED's available for purchase for this stuff? I might want to tinker given the knowledge that I have....
Forum: Do It Yourself 09/08/2007, 03:49 PM
Replies: 45
Views: 1,386
Posted By speakerguy
0805's are easy enough. Just get a pair of EREM...

0805's are easy enough. Just get a pair of EREM AASA tweezers when you place your order and use .015" solder. I like Kester 245/50 for stuff that doesn't need a lot of strong flux. The Pakistani...
Forum: Lighting, Filtration & Other Equipment 09/03/2007, 06:33 PM
Replies: 23
Views: 1,025
Posted By speakerguy
Don't forget that you get great flexibility with...

Don't forget that you get great flexibility with LED's. Imagine being able to pulse width modulate separate R,G and B arrays to tune color temperature to your liking, anywhere on the chromaticity...
Forum: The Lounge 09/01/2007, 09:50 AM
Replies: 26
Views: 876
Posted By speakerguy
Oh, and the test date is Dec 2, so in case...

Oh, and the test date is Dec 2, so in case there's any weather considerations (like I would tend to discount Chicago, as it'll be snowy and I've seen the Shedd before. Chances of it being delayed,...
Forum: The Lounge 09/01/2007, 01:32 AM
Replies: 26
Views: 876
Posted By speakerguy
Which city has the best public aquarium?

I have to travel to take an examination that isn't offered in my local. The testing facilities are:

Los Angeles
Chicago
New York
Honolulu
Atlanta
San Francisco
Washington D.C.
Seattle
Forum: Vendor Experiences 06/04/2007, 10:36 PM
Replies: 7
Views: 378
Posted By speakerguy
Cabinetry no good?

Cabinetry no good?
Forum: The Lounge 05/26/2007, 01:50 PM
Replies: 4
Views: 213
Posted By speakerguy
Question for Doc's / EMT's

Hey guys & gals,

We just got automatic external defibrillators on our premises at work and received training on them. They seem really useful. Anyway, due to health issues I am forced to live with...
Forum: Lighting, Filtration & Other Equipment 05/19/2007, 10:10 PM
Replies: 5
Views: 207
Posted By speakerguy
That's as big as it gets I think.

That's as big as it gets I think.
Forum: The Reef Chemistry Forum 05/05/2007, 10:44 PM
Replies: 2
Views: 159
Posted By speakerguy
The DI water at college came out of the tap with...

The DI water at college came out of the tap with a pH below 5. It's all dissolved CO2 creating carbonic acid, but it's sooooo dilute that so much as farting in its general direction will get the pH...
Forum: Vendor Experiences 05/05/2007, 01:29 PM
Replies: 7
Views: 378
Posted By speakerguy
Deep Sea Aquatics aquariums?

Does anyone have any info on Deep Sea Aquatics? I understand that it is a result of Oceanic moving as a result of Central Pet's acquisition of it, and Deep Sea is supposed to be the 'new' Oceanic...
Forum: Photography 04/23/2007, 09:13 AM
Replies: 7
Views: 287
Posted By speakerguy
I have a Canon S3 too and it's great. It's...

I have a Canon S3 too and it's great. It's higher-end but totally worth it. I have owned other Canon's too and all have taken great photos. Nikons are great too, but just about everyone I know...
Forum: Photography 04/20/2007, 05:10 PM
Replies: 0
Views: 118
Posted By speakerguy
Inexpensive underwater camera

I am going to be doing some snorkeling and am interested in purchasing an inexpensive ($100-200) underwater camera. Can anyone recommend a good one?
Forum: The Reef Chemistry Forum 04/16/2007, 07:11 PM
Replies: 3
Views: 144
Posted By speakerguy
Actually, I ask because my company specializes in...

Actually, I ask because my company specializes in high purity electrochemical ozone generation and I am trying to find a product niche. We already have very large units for aquaculture facilities but...
Forum: The Reef Chemistry Forum 04/15/2007, 01:46 PM
Replies: 3
Views: 144
Posted By speakerguy
Corona discharge ozone generators and NOx

Are NOx compounds or other byproducts produced in corona discharge ozone generators of significance or concern in ozonization in aquariums?

I guess I finally asked a question that was brief and...
Forum: The Reef Chemistry Forum 01/13/2007, 03:42 PM
Replies: 5
Views: 159
Posted By speakerguy
Bryan/College Station, TX, home of the fightin'...

Bryan/College Station, TX, home of the fightin' texas aggies and the George H.W. Bush memorial library. We're about an hour and a half north of Houston.
Forum: The Reef Chemistry Forum 01/13/2007, 12:10 PM
Replies: 5
Views: 159
Posted By speakerguy
Okey-dokey, sounds like RODI it is :)

Okey-dokey, sounds like RODI it is :)
Forum: The Reef Chemistry Forum 01/13/2007, 01:56 AM
Replies: 5
Views: 159
Posted By speakerguy
How is my local tapwater?

In the last place I lived, the tap water was good enough for reef keeping (blasphemy I know :)) but I haven't set up a tank since I've moved. Here is my new town's water report (just 1 page):
...
Forum: SPS Keepers 01/02/2007, 06:19 AM
Replies: 0
Views: 166
Posted By speakerguy
LumenMax3 for 18"x18" area on SPS Tank?

I'm looking for a good lighting setup for a 58 gallon SPS (36x18), I want to use two LumenMax (mogul) with Iwasaki 14k's (the super bright 175w ones). I think this will give me great lighting for SPS...
Forum: Reef Discussion 12/31/2006, 03:04 PM
Replies: 4
Views: 218
Posted By speakerguy
Those are a bit pricey for me, where is a good...

Those are a bit pricey for me, where is a good place to get base rock? I've been out of the hobby for a while but wasn't there a place called reef rocks or something? Thanks!
Forum: Reef Discussion 12/31/2006, 04:18 AM
Replies: 4
Views: 218
Posted By speakerguy
Looking for artificial rock decorations / pillars

Hi,

I remember seeing a while back a company that offered artificial stone fomations in various sizes/shapes with most being pillar types. Does anyone remember the company or have a link for it?...
Showing results 1 to 25 of 203
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