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Search: Keyword(s): ; Posts Made By: O2surplus
Forum: DIY 01-21-2015, 01:36 PM
Replies: 921
Views: 71,704
Posted By O2surplus
So you stayed up late staring at your tank?...

So you stayed up late staring at your tank? http://netanimations.net/eyes_012.gif All I can say is- Good job & get some rest!:hihi:
Forum: DIY 01-21-2015, 03:48 AM
Replies: 921
Views: 71,704
Posted By O2surplus
LOL- So you had a 7805 "within easy reach" but...

LOL- So you had a 7805 "within easy reach" but forgot that you had it. Priceless! That will work perfectly to solve your 5V issue.:hihi:
Forum: DIY 01-20-2015, 10:59 PM
Replies: 921
Views: 71,704
Posted By O2surplus
I'm using the PWM outputs on mine, so I can't...

I'm using the PWM outputs on mine, so I can't comment on the Current lights, but if you go into the "light modes" screen of the iAqua controller, you can toggle the lights between your preset "full...
Forum: DIY 01-20-2015, 10:12 PM
Replies: 921
Views: 71,704
Posted By O2surplus
$3 parts from FleaBay are great if you're willing...

$3 parts from FleaBay are great if you're willing to wait. I could've also recommended using a $1 7805 regulator, but it's highly unlikely that "Kman" has one of those within easy reach. I went for...
Forum: DIY 01-20-2015, 09:30 PM
Replies: 921
Views: 71,704
Posted By O2surplus
LOL- Use a couple of 1/4" Female spade connectors...

LOL- Use a couple of 1/4" Female spade connectors and some wire to make the A/C connection to the cell phone charger. You can tap into the same A/C cord that's feeding your 12V power supply. That's...
Forum: DIY 01-20-2015, 08:59 PM
Replies: 921
Views: 71,704
Posted By O2surplus
Both versions use a 5V control signal. I'm afraid...

Both versions use a 5V control signal. I'm afraid that powering it from the Arduino's 5V line would cause even more problems. The load of all 8 Relay coils would definitely overload the 5V regulator...
Forum: DIY 01-20-2015, 01:44 PM
Replies: 921
Views: 71,704
Posted By O2surplus
Did you try sourcing them from DigiKey?...

Did you try sourcing them from DigiKey? http://www.digikey.com/us/en/international/europe.html

$70 for shipping is criminal, when I could ship them to you from the states for only $26.:hihi:
Forum: DIY 01-19-2015, 09:09 PM
Replies: 921
Views: 71,704
Posted By O2surplus
Go to the tools tab in the Arduino IDE and set...

Go to the tools tab in the Arduino IDE and set the board to Mega2560. You probably forgot to change that setting when you changed versions of the Arduino IDE. The error is there because the UNO...
Forum: DIY 01-18-2015, 05:54 PM
Replies: 921
Views: 71,704
Posted By O2surplus
First time soldering SMD components? That takes...

First time soldering SMD components? That takes some Guts to pull off! All I can say is Wow! Good Job!:thumbsup:

Bump:

LOL- I haven't built any of the latest version yet.... I'm still working...
Forum: DIY 01-18-2015, 03:40 AM
Replies: 921
Views: 71,704
Posted By O2surplus
In reality, since the iAqua shield and relay PcB...

In reality, since the iAqua shield and relay PcB are both being powered from the same 12V power supply, both of them will ultimately be grounded together at the power supply. There's no need to run a...
Forum: DIY 01-18-2015, 01:17 AM
Replies: 921
Views: 71,704
Posted By O2surplus
That's really not a problem, since you already...

That's really not a problem, since you already have a nice big 12V supply. A little creative wiring is all that's needed, and you've already done that. The 5V regulator on the iAqua shield will still...
Forum: DIY 01-18-2015, 12:10 AM
Replies: 921
Views: 71,704
Posted By O2surplus
Close! But the 10 pin header on the Relay PcB...

Close! But the 10 pin header on the Relay PcB should be wired like this-

Pin 1= 12V+
Pin 2= Ground (shared with the Arduino through the iAua shield)
Pin 3= Relay#1 (Light1)
Pin 4= Relay#2...
Forum: DIY 01-17-2015, 11:27 PM
Replies: 921
Views: 71,704
Posted By O2surplus
The Arduino only provides a 5V High/Low signal to...

The Arduino only provides a 5V High/Low signal to the optocoupler on the Relay PcB. The Optocoupler then directs transistors to switch 12V on/off through the relay coils. My shield included a 12V...
Forum: DIY 01-17-2015, 10:59 PM
Replies: 921
Views: 71,704
Posted By O2surplus
The power indicator led for each relay should...

The power indicator led for each relay should only be "off or on". There's no in between state. I had a similar problem with my relay block, but I managed to fix it. My testing indicated that the...
Forum: DIY 01-13-2015, 06:23 PM
Replies: 921
Views: 71,704
Posted By O2surplus
Try connecting the the TFT/LCD shield directly to...

Try connecting the the TFT/LCD shield directly to the Mega. If your screen image loading problems disappear, then a loose pin connection at the iAqua shield was the likely culprit. If the problem...
Forum: DIY 01-08-2015, 03:50 AM
Replies: 131
Views: 6,522
Posted By O2surplus
I guess it all comes down to personal preference....

I guess it all comes down to personal preference. In my mind, the 7805 is a natural choice, since it will be just one more component that I'll be integrating into a custom designed shield,but I can...
Forum: DIY 01-08-2015, 12:02 AM
Replies: 131
Views: 6,522
Posted By O2surplus
Yes- there's really no reason to bother with the...

Yes- there's really no reason to bother with the LM2596 when a couple of 7805 regulators will give you exactly what you need. That is- a well regulated source of 5V power. The Mega(s) can accept the...
Forum: DIY 01-07-2015, 09:57 PM
Replies: 131
Views: 6,522
Posted By O2surplus
I'd budget at least 4 amps worth of 12V power...

I'd budget at least 4 amps worth of 12V power ,just to play it safe. Reason being- the 12V dosing pumps pull nearly 200ma each, 8 relays pull 20 -25ma each, and losses from the 5V current regulator...
Forum: DIY 01-07-2015, 07:12 PM
Replies: 131
Views: 6,522
Posted By O2surplus
Just use a 12V walwart power supply that's worth...

Just use a 12V walwart power supply that's worth a few amps to power the relay block and the Mega. That's what I did. Throw in an extra 7805 regulator for the 5V stuff, so you're not relying on the...
Forum: DIY 01-07-2015, 01:18 AM
Replies: 131
Views: 6,522
Posted By O2surplus
:hihi: call me crazy, but yes! I've already got a...

:hihi: call me crazy, but yes! I've already got a couple of 7" displays on order. The rest of the stuff needed is already here.
Forum: DIY 01-04-2015, 11:58 PM
Replies: 921
Views: 71,704
Posted By O2surplus
LOL- I'm running 4 of them! I never would have...

LOL- I'm running 4 of them! I never would have attempted to build any of them without AnotherHobby's original software work and excellent wiring documentation. I can't write software to save my life-...
Forum: DIY 01-04-2015, 11:30 PM
Replies: 13
Views: 402
Posted By O2surplus
BridgeLux didn't release the color spectrum chart...

BridgeLux didn't release the color spectrum chart for the 5600K- 90 CRI version of this led array. From what I've read, the spectral distribution is similar to the 2700K- 97 CRI "Decor" version....
Forum: DIY 01-04-2015, 09:32 PM
Replies: 13
Views: 402
Posted By O2surplus
Skip the XM-L's, at 9000+ lumens each, these...

Skip the XM-L's, at 9000+ lumens each, these could hit the 1500 PAR mark easily-...
Forum: DIY 01-03-2015, 06:09 PM
Replies: 10
Views: 618
Posted By O2surplus
It's been done plenty of times. $40 in leds...

It's been done plenty of times. $40 in leds "sounds" cheap until you consider the build complexity, the cost of the time & labor needed to solder them all together, and the area needed to keep them...
Forum: DIY 01-01-2015, 07:06 PM
Replies: 921
Views: 71,704
Posted By O2surplus
It's basically done, just a little lite editing...

It's basically done, just a little lite editing is needed. I just have to wait for Rob to finish up his code and release it to the world before I'm able to nail down the Mega pin assignments.
Showing results 1 to 25 of 250

 
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