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Search: Keyword(s): ; Posts Made By: O2surplus
Forum: DIY 05-20-2015, 05:05 PM
Replies: 685
Views: 136,207
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: 685
Views: 136,207
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: 926
Views: 58,337
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: 1,258
Views: 137,779
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: 926
Views: 58,337
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: 926
Views: 58,337
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: 685
Views: 136,207
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: 685
Views: 136,207
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: 462
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: 685
Views: 136,207
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: 685
Views: 136,207
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: 926
Views: 58,337
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: 926
Views: 58,337
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: 926
Views: 58,337
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...
Forum: DIY 03-19-2015, 10:01 PM
Replies: 926
Views: 58,337
Posted By O2surplus
Rob- Check out FleaBay. I recently purchased...

Rob-

Check out FleaBay. I recently purchased an 8 channel 40Mhz "PC based" scope for about $100. The scope is very small and easy to store, since the PC provides your viewing screen, and seems to...
Forum: DIY 03-18-2015, 06:02 PM
Replies: 208
Views: 58,818
Posted By O2surplus
The Arduino's on board regulator tends to...

The Arduino's on board regulator tends to overheat, if it's forced to drop too much voltage. I don't recommend powering the Arduino with more than 12V. Using 7 to 9V is optimal.
Forum: DIY 03-18-2015, 04:39 PM
Replies: 208
Views: 58,818
Posted By O2surplus
LOL- Don't feel bad. Lots of people miss that...

LOL- Don't feel bad. Lots of people miss that "little detail". The Arduino and power supply do need to share a common ground. :hihi:
Forum: DIY 03-17-2015, 03:05 AM
Replies: 926
Views: 58,337
Posted By O2surplus
IIRC- If you're using the DS1307 chip. Check pin...

IIRC- If you're using the DS1307 chip. Check pin 7 (Square wave output) for an intermittent short to ground. If pin #7 gets shorted the chip will reset itself to the date and time that it was last...
Forum: DIY 03-14-2015, 08:23 PM
Replies: 1,258
Views: 137,779
Posted By O2surplus
The "?" shows up on the home screen in the tile...

The "?" shows up on the home screen in the tile that normally indicates the current lighting state. "Full sun", "part sun", ect... AH added the "?" to the program to indicate that the light schedule...
Forum: DIY 03-14-2015, 08:00 PM
Replies: 1,258
Views: 137,779
Posted By O2surplus
The weird thing is this- the controller would not...

The weird thing is this- the controller would not run the correct lighting schedule no matter what I did. Hit the home button.... controller reloads the home screen and the "?" remains. Pulled power...
Forum: DIY 03-14-2015, 05:48 PM
Replies: 1,258
Views: 137,779
Posted By O2surplus
Any body else notice this? My controller had been...

Any body else notice this? My controller had been running flawlessly for weeks.....until yesterday. I noticed that my lighting didn't appear to be keeping with the schedule and a "?" was showing on...
Forum: DIY 03-13-2015, 09:28 PM
Replies: 7
Views: 291
Posted By O2surplus
Besides the fact that there is no "standard",...

Besides the fact that there is no "standard", making the aforementioned company's statement meaningless, perhaps? :hihi:
Forum: DIY 03-09-2015, 12:45 PM
Replies: 1,258
Views: 137,779
Posted By O2surplus
The 8 channel relay board is supposed to be...

The 8 channel relay board is supposed to be installed to control 8 AC power outlets. Many people like "Kman" and others actually installed wall mounted outlets in custom boxes and wired the relay...
Forum: DIY 03-08-2015, 07:34 PM
Replies: 1,258
Views: 137,779
Posted By O2surplus
Have you built your 8 socket Relay Controlled...

Have you built your 8 socket Relay Controlled Power Strip yet? You'll need to get that done before you'll be able to move on with the project.

NOTE:The Meanwell ELN series require a 10V dimming...
Forum: DIY 03-07-2015, 08:06 PM
Replies: 1,258
Views: 137,779
Posted By O2surplus
Do you have this screen? ...

Do you have this screen?

https://lh5.googleusercontent.com/-zOICvuCOzlk/U7yiK-mCsSI/AAAAAAAAC30/DEkzMRwpDT8/w480-h640-no/lightRamp.png

You have to tap the sun/ moon icons on each ramp to set...
Showing results 1 to 25 of 250

 
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