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Search: Keyword(s): ; Posts Made By: O2surplus
Forum: Lighting 06-10-2015, 04:17 PM
Replies: 7
Views: 225
Posted By O2surplus
That fixture is only rated for 10 watts. I'm...

That fixture is only rated for 10 watts. I'm guessing it's light output would be considered on the "low end" of "low light".
Forum: DIY 06-09-2015, 03:03 AM
Replies: 1,056
Views: 73,301
Posted By O2surplus
LOL- Use the 49.9K resistor. Even at 2%...

LOL- Use the 49.9K resistor. Even at 2% tolerance, it's still "close enough".:hihi:
Forum: DIY 06-06-2015, 07:04 PM
Replies: 727
Views: 141,877
Posted By O2surplus
LOL- I knew there had to be a dirt simple...

LOL- I knew there had to be a dirt simple solution......Just had to stare at the circuit for awhile to see it.:hihi:
Forum: DIY 06-06-2015, 06:30 PM
Replies: 727
Views: 141,877
Posted By O2surplus
I've got an idea that should make calibrating the...

I've got an idea that should make calibrating the new meters against the known calibrated unit really easy. You can use the voltage signal on A0 and the PAR number output to the Lcd to calibrate the...
Forum: DIY 06-03-2015, 09:30 PM
Replies: 1,056
Views: 73,301
Posted By O2surplus
Yeah- i got the offer. I signed up for the free...

Yeah- i got the offer. I signed up for the free download that will be available at the end of June. I'm jumping from Windows 7 to Windows 10. I hope the upgrade doesn't let the smoke out of my...
Forum: DIY 06-01-2015, 06:42 PM
Replies: 41
Views: 4,497
Posted By O2surplus
I can't think of a better logic circuit than an...

I can't think of a better logic circuit than an actual micro controller.:wink: Changes to software are easier to make than soldered in hardware.
Forum: DIY 06-01-2015, 04:52 PM
Replies: 41
Views: 4,497
Posted By O2surplus
LOL- 12 Vero 18's are pretty darn bright. ...

LOL- 12 Vero 18's are pretty darn bright.



It's a 225. I have a 275 gallon tote attached to my RO/DI system, so I've always got plenty of water for making large changes.



I'm only using...
Forum: DIY 05-31-2015, 08:47 PM
Replies: 41
Views: 4,497
Posted By O2surplus
LOL- I've still got your leds and I know the snow...

LOL- I've still got your leds and I know the snow has melted off around Fason's house. Any chance that I'll be seeing something in my mail box soon?:hihi:
Forum: DIY 05-31-2015, 06:48 PM
Replies: 41
Views: 4,497
Posted By O2surplus
Hey Ben! I just did a 200 gallon water...

Hey Ben!

I just did a 200 gallon water change yesterday, so the water's still a bit cloudy- LOL. I'm slowly moving away from keeping fast growing species and moving towards keeping more "slow...
Forum: DIY 05-31-2015, 12:38 AM
Replies: 60
Views: 7,020
Posted By O2surplus
Looks nice! I'm still running a 50/50 mix of the...

Looks nice! I'm still running a 50/50 mix of the 2700K & 5600K Vero 18's on my tank, but I'm considering swapping out some of the 2700K for the 5600K versions.

Let me know if you ever need any...
Forum: Lighting 05-29-2015, 10:12 PM
Replies: 33
Views: 2,409
Posted By O2surplus
:hihi: Time for some "Post".... "post editing"...

:hihi: Time for some "Post".... "post editing" Ben! Can't be guilty if there's no photographic proof!:wink:
Forum: DIY 05-20-2015, 05:05 PM
Replies: 727
Views: 141,877
Posted By O2surplus
Quizcat- Don't worry about burning up your...

Quizcat-

Don't worry about burning up your CEP due to over-voltage. The regulator that it uses is good for 30V/1amp. I use that regulator all the time in applications where it's fed with 24V, and...
Forum: DIY 04-30-2015, 03:27 AM
Replies: 727
Views: 141,877
Posted By O2surplus
I've use "reversible" snap ring pliers to pop the...

I've use "reversible" snap ring pliers to pop the plastic standoffs loose. As long as you're careful not to let the pliers pry against any electronic components on the PcB, there shouldn't be any...
Forum: DIY 04-09-2015, 07:44 PM
Replies: 1,056
Views: 73,301
Posted By O2surplus
LOL- No kidding. I'll never etch another PcB at...

LOL- No kidding. I'll never etch another PcB at home again. It's cheaper and easier just to let the Chinese deal with the mess.:)
Forum: DIY 04-01-2015, 06:58 PM
Replies: 1,277
Views: 151,388
Posted By O2surplus
So your bumping up the 5V PWM signal to 10V PWM...

So your bumping up the 5V PWM signal to 10V PWM using a transistor. Do you have a good ground return for the 5V PWM signal to come back to the iAqua shield? That could be one possible cause of your...
Forum: DIY 03-31-2015, 08:32 PM
Replies: 1,056
Views: 73,301
Posted By O2surplus
Do you have the TFT/LCD shield that your...

Do you have the TFT/LCD shield that your schematic is based on? If so, just desolder the resistor in question and check it with an ohm meter.:hihi:
Forum: DIY 03-31-2015, 07:39 PM
Replies: 1,056
Views: 73,301
Posted By O2surplus
LOL- Here's my take on the "easy way" to solder...

LOL- Here's my take on the "easy way" to solder a fine pitch SMD components. Don't add any solder at all. Only apply flux to the solder pads, place the component lined up the way you want it, and...
Forum: DIY 03-31-2015, 03:53 PM
Replies: 727
Views: 141,877
Posted By O2surplus
You'll need a USB/FTDI adapter to connect to the...

You'll need a USB/FTDI adapter to connect to the chip. The CEP has a six pin header that's used for programming the chip using the Arduino IDE.

Here's a link to the chip if you need...
Forum: DIY 03-31-2015, 01:05 PM
Replies: 727
Views: 141,877
Posted By O2surplus
Partlist Exported from PAR MeterDIP .brd at...

Partlist

Exported from PAR MeterDIP .brd at 3/28/2015 12:02:37 PM

EAGLE Version 6.4.0 Copyright (c) 1988-2013 CadSoft

Assembly variant:

Part Value Package description
Forum: Lighting 03-31-2015, 01:14 AM
Replies: 6
Views: 494
Posted By O2surplus
Nice work. I like the looks of the heat sink and...

Nice work. I like the looks of the heat sink and the acrylic. If you're ever inclined to add sunrise/sunset dimming capability, a Meanwell LDD-700H PWM dimmable driver can be had for about $7 and an...
Forum: DIY 03-28-2015, 07:32 PM
Replies: 727
Views: 141,877
Posted By O2surplus
You're getting 10 BARE PcB's for $18.90. The...

You're getting 10 BARE PcB's for $18.90. The Chinese work cheap, but not that cheap. LOL You'll still need to source and solder on all the parts yourself. OR after you receive the PcB's just send...
Forum: DIY 03-28-2015, 04:41 PM
Replies: 727
Views: 141,877
Posted By O2surplus
GERBER Files for the DIP version of the CEP meter

A few people have been asking for the build files needed to make their own CEP Meters. I've attached the GERBER files below. I recommend using SeeedStudios in China for production. I use them all the...
Forum: DIY 03-21-2015, 03:37 AM
Replies: 1,056
Views: 73,301
Posted By O2surplus
You are correct. I posted this on the forum...

You are correct. I posted this on the forum somewhere along the line, but here it is again to help you visualize the how the connections go....
Forum: DIY 03-21-2015, 02:11 AM
Replies: 1,056
Views: 73,301
Posted By O2surplus
I see your problem. Your pump's positive leads...

I see your problem. Your pump's positive leads are supposed to be connected to + 12V. The pumps negative leads are connected to the "C" pins of the ULN2003A. The ULN2003 activates each pump by...
Forum: DIY 03-21-2015, 01:41 AM
Replies: 1,056
Views: 73,301
Posted By O2surplus
Oooops! You got the connections backwards. "E"...

Oooops! You got the connections backwards. "E" goes to ground. It's the common ground connection for all 7 channels. "COM" gets connected to 12V. IIRC, it's the pin that connects to all the flyback...
Showing results 1 to 25 of 250

 
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