I ended up getting this:
View attachment 2359087
I like this idea, and I'll basically be doing this anyways, but I'll just be using my speed controller I have now, or straight 120V (switch between manual and full 120V)... But I think I might want a little more control in the future, and one in the range of 40V,80V,120V would be nice.Hey Newbie,
thank you for programming this I plan to use your program.
Why don't you use a step-down transformer like http://avenco.de.preon.de/wp-content/files_flutter/12610594301260538906Stufentrafo3A230V.jpeg ?
With that you could control the LTI fan-speed with relays. It's not stepless but the easiest way I think.
Regards
Very Nice Setup M8.
I would like to know the model of the PPM/PH meters you are using and what signal they output, 4-20ma or a vdc signal. I am looking for meter/s to add to my system. I have all the other components and that would complete the setup. I have a coupe of sequencers that I am playing around with and a small single phase vfd for my extraction setup, but it will be a while before I need that, my little babies are only 8 days old. I look forward to more from your setup Once again, great work M8.
Peace
Asmallvoice
I humbly appreciate your responce and look forward to comparing notes once I get all setup. If you are looking for any specific hardware, such as sequencers( from 1 stage to 10 stages) or any type of end devices, temp, humidity, CO2 transmitters, actuators or the likes, drop me a line, would be honored to help.The sensors I'm using are 0V to 5VDC... I use the Phidgets pH Adapter and a regular BNC pH probe off eBay (cheap ones) The PPM meters (haven't purchased them yet) are also VDC 0 to 5 and there's a link a couple pages back.
Amen Brotha. I wish I had the plumbing in my grow room to hook up some source/drain solenoid valves for auto-refill, then add some dosers/pumps to mix the nutrients, with a recirc pump....I basically want to limit the human interaction to the grow to monitoring plants and logs, tweaking the control parameters. Performing maintenance on systems/hardware as required, propagation and harvesting.