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Search took 0.01 seconds. Search: Posts Made By: jeff5may
Forum: Geothermal & Heat Pumps 01-03-16, 06:12 PM
Replies: 331
Views: 167,703
Posted By jeff5may
I didn't do the compressor deed. It is defined in...

I didn't do the compressor deed. It is defined in comments as a digital output on pin d5. If this is bad syntax, then inpump, outpump, and compressor outputs are all called incorrectly. I just pasted...
Forum: Geothermal & Heat Pumps 12-31-15, 11:04 PM
Replies: 331
Views: 167,703
Posted By jeff5may
here is the flowchart I used to write the code. ...

here is the flowchart I used to write the code.
http://ecorenovator.org/forum/attachment.php?attachmentid=6452&stc=1&d=1451622984
I believe I may have put the check temperature step in so when...
Forum: Geothermal & Heat Pumps 12-31-15, 08:18 PM
Replies: 331
Views: 167,703
Posted By jeff5may
I don't have anything. This one is yours. Since I...

I don't have anything. This one is yours. Since I don't have yours, it might not even compile. If it works, try it out with sensors or potentiometers.
Forum: Geothermal & Heat Pumps 12-27-15, 02:21 PM
Replies: 331
Views: 167,703
Posted By jeff5may
Since I am waist deep in trying out some defrost...

Since I am waist deep in trying out some defrost control code for my air-source version of a controller, I have been looking back through the posts. It sure looks like noone is willing to write any...
Forum: Geothermal & Heat Pumps 12-11-15, 08:00 PM
Replies: 331
Views: 167,703
Posted By jeff5may
I posted info in this thread. My original...

I posted info in this thread.
My original intentions were for 3 sketches that could be loaded, for 3 modes of operation:
1: wall thermostat
2: slave outdoor unit device w/ defrost
3: Both #1 and...
Forum: Geothermal & Heat Pumps 12-10-15, 09:04 PM
Replies: 331
Views: 167,703
Posted By jeff5may
Guys, The one I put together acts just like...

Guys,

The one I put together acts just like a wall thermostat. It runs off a single 1wire sensor. Modes: off, heat, cool, auto. outputs: fan, compressor, rv. The only thing it don't do is defrost....
Forum: Geothermal & Heat Pumps 11-15-15, 07:15 AM
Replies: 331
Views: 167,703
Posted By jeff5may
Aquario, Yes please share. Too much info is...

Aquario,

Yes please share. Too much info is better than not enough. I don't hate you for going with a mega dev board, at least it has an atmega chip in it still. A few others did the same.
Forum: Geothermal & Heat Pumps 12-28-14, 08:00 PM
Replies: 331
Views: 167,703
Posted By jeff5may
I sure missed that one!

That's a fuel pressure sensor! For what kind of vehicle might I ask? I bet you could find one of those bad boys at autozone for 8.99 if you knew what kind of car it went in. Ingenious.

I must have...
Forum: Geothermal & Heat Pumps 12-27-14, 10:40 PM
Replies: 331
Views: 167,703
Posted By jeff5may
Here's an example sketch that reads the hall...

Here's an example sketch that reads the hall effect flow sensors you are planning on using:

http://diyhacking.com/projects/FlowMeterDIY.ino

The main article is here:

Measure Water Flow Rate...
Forum: Geothermal & Heat Pumps 11-25-14, 10:47 PM
Replies: 331
Views: 167,703
Posted By jeff5may
How is the water-source controller coming along?...

How is the water-source controller coming along? Have you all sorted out a serial interface? Does anything work?

As long as the blasted machine doesn't go off the deep end with interrupts, I might...
Forum: Geothermal & Heat Pumps 11-25-14, 10:38 PM
Replies: 331
Views: 167,703
Posted By jeff5may
Here she comes

OK, since nobody is doing any interaction with the code I put up on github, I'll just post it in here. This rough alpha version is basically a wall thermostat with auto-change-over. There have been a...
Forum: Geothermal & Heat Pumps 11-21-14, 08:00 PM
Replies: 331
Views: 167,703
Posted By jeff5may
I agree with you pretty much completely. If a...

I agree with you pretty much completely. If a particular user wanted to wire up the dallas sensors so they never need to be decoded and would swap out just like analog sensors, it would be easy to...
Forum: Geothermal & Heat Pumps 11-20-14, 04:43 PM
Replies: 331
Views: 167,703
Posted By jeff5may
Nope, not for this project. This one gets a Uno. ...

Nope, not for this project. This one gets a Uno.

Maybe somebody might start a project based on a Mega, but why? It shares the same instruction set and cpu as the Uno. If you can rig up a Uno and...
Forum: Geothermal & Heat Pumps 11-19-14, 10:21 PM
Replies: 331
Views: 167,703
Posted By jeff5may
I just finished some reading on the AVR/ATMEGA...

I just finished some reading on the AVR/ATMEGA chipset, and learned something useful: the processor has no hardware support for division at all! Integers, longs, floats, whatever gets divided will be...
Forum: Geothermal & Heat Pumps 11-19-14, 09:03 PM
Replies: 331
Views: 167,703
Posted By jeff5may
In this project, we are not guiding sidewinder or...

In this project, we are not guiding sidewinder or patriot missiles to a quickly moving target. I'm not overly concerned whether a calculation takes 15 clock cycles or 600 to compute. The temperatures...
Forum: Geothermal & Heat Pumps 11-19-14, 06:32 PM
Replies: 331
Views: 167,703
Posted By jeff5may
Do these boards also have the relay driver IC on...

Do these boards also have the relay driver IC on them? If so, they will work as the brawn that will slave directly off of the uno's brain! I got my uno board working my beige-box window unit using...
Forum: Geothermal & Heat Pumps 11-19-14, 06:09 PM
Replies: 331
Views: 167,703
Posted By jeff5may
Good to know this ahead of time. I may end up...

Good to know this ahead of time. I may end up pointing to your code for others to use, or robbing it myself, in the future.:thumbup:

I grabbed this example from the same website I found working...
Forum: Geothermal & Heat Pumps 11-19-14, 04:49 PM
Replies: 331
Views: 167,703
Posted By jeff5may
I'm guessing my temperature reading routine will...

I'm guessing my temperature reading routine will not be so precise. My goal is more towards operation and ease of connection. It will be something like this, taken straight off hacktronics:

double...
Forum: Geothermal & Heat Pumps 11-17-14, 07:15 PM
Replies: 331
Views: 167,703
Posted By jeff5may
The problem I am having is dealing with the...

The problem I am having is dealing with the situations a fellow ecorenovator brought up:

How will the unit know what sensor is what? Initially, sensors will need to be assigned. How painless can...
Forum: Geothermal & Heat Pumps 11-16-14, 07:39 PM
Replies: 331
Views: 167,703
Posted By jeff5may
OK, i've posted a rough alpha copy for...

OK, i've posted a rough alpha copy for collaboration and refining and filling out.

The sketch I have started runs off a single 1-wire thermometer sensor that reads indoor air temperature. I am...
Forum: Geothermal & Heat Pumps 11-16-14, 10:17 AM
Replies: 331
Views: 167,703
Posted By jeff5may
This is exactly how I'm doing trials on my dirt...

This is exactly how I'm doing trials on my dirt cheap window shaker. I repurposed the power board out of a portable dehumidifier/ac unit that will end up as some sort of heat pump someday.
...
Forum: Geothermal & Heat Pumps 10-24-14, 10:49 AM
Replies: 331
Views: 167,703
Posted By jeff5may
Always try to run the evaporator side pump for a...

Always try to run the evaporator side pump for a minute or two after the compressor stops. This way you will have eliminated any chance of the residual refrigerant freezing the hx as it peters out. A...
Forum: Geothermal & Heat Pumps 10-23-14, 06:56 PM
Replies: 331
Views: 167,703
Posted By jeff5may
Oh no. What? Whoa... This is why I am trying...

Oh no. What? Whoa...

This is why I am trying to stay away from interrupt and library calls. God save your soul.
Forum: Geothermal & Heat Pumps 10-11-14, 09:43 AM
Replies: 331
Views: 167,703
Posted By jeff5may
cheap limit switches

A cheap, common source for the high and low pressure cutout switches exists. This common source is your local junkyard. If you go to a u-pull yard, you can literally unscrew the sensors from where...
Forum: Geothermal & Heat Pumps 09-11-14, 10:58 AM
Replies: 331
Views: 167,703
Posted By jeff5may
Thats one reason I have not posted any code yet....

Thats one reason I have not posted any code yet. I am still working on the menu and options to do lots of different configurations. I am going to be able to set the thing up without any attachments...
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