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IVO Prop current limiter
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paulf(at)hughes.net
Guest

Posted: Tue Jul 11, 2017 1:51 pm Post subject: IVO Prop current limiter

I've got code written for the PIC as well.  I may need to tweak the 

voltage and time parameters to get exactly 0.5v and 0.5s when we get 

down to the actual circuit.  But that's easily done in EEPROM values.



Paul

On 7/10/2017 10:11 PM, Robert L. Nuckolls, III wrote:

 	  Quote: 	
		   I proofed the ecb layout I posted. I'll get some

 made. I'll have 5 or so boards to 'share' with

 anyone who wants to participate in beta-testing

 the hardware/software. Boards should be in

 about Wednesday.



   Bob . . .

alec(at)alecmyers.com
Guest

Posted: Tue Jul 11, 2017 2:03 pm Post subject: IVO Prop current limiter

can you post your code for review?



On Jul 11, 2017, at 17:50, Paul A. Fisher <paulf(at)hughes.net> wrote:






I've got code written for the PIC as well.  I may need to tweak the voltage and time parameters to get exactly 0.5v and 0.5s when we get down to the actual circuit.  But that's easily done in EEPROM values.



Paul

 	  Quote: 	
		   On 7/10/2017 10:11 PM, Robert L. Nuckolls, III wrote:

 I proofed the ecb layout I posted. I'll get some

 made. I'll have 5 or so boards to 'share' with

 anyone who wants to participate in beta-testing

 the hardware/software. Boards should be in

 about Wednesday.

 

  Bob . . .

paulf(at)hughes.net
Guest

Posted: Tue Jul 11, 2017 2:29 pm Post subject: IVO Prop current limiter

Certainly.  Bob, could you please add the IVO Prop controller software 

to your site with the rest of the files?  It's currently in our Dropbox 

share.

Please be kind on your comments on the code - I haven't tried to clean 

it up to make it presentable - it's still at version 0.03, so I may 

still do quite a bit of tweaking before we declare v1.0. But I am 

interested in anything you see that we could improve on. Thanks!

Paul

On 7/11/2017 5:03 PM, Alec Myers wrote:

 	  Quote: 	

 can you post your code for review?

 On Jul 11, 2017, at 17:50, Paul A. Fisher <paulf(at)hughes.net> wrote:

 I've got code written for the PIC as well.  I may need to tweak the voltage and time parameters to get exactly 0.5v and 0.5s when we get down to the actual circuit.  But that's easily done in EEPROM values.

 Paul

> On 7/10/2017 10:11 PM, Robert L. Nuckolls, III wrote:

> I proofed the ecb layout I posted. I'll get some

> made. I'll have 5 or so boards to 'share' with

> anyone who wants to participate in beta-testing

> the hardware/software. Boards should be in

> about Wednesday.

>

>   Bob . . .

>

nuckolls.bob(at)aeroelect
Guest

Posted: Tue Jul 11, 2017 3:31 pm Post subject: IVO Prop current limiter

At 05:28 PM 7/11/2017, you wrote:

  	  Quote: 	
		  --> AeroElectric-List message posted by: "Paul A. Fisher" <paulf(at)hughes.net>



 Certainly.  Bob, could you please add the IVO Prop controller software to your site with the rest of the files?  It's currently in our Dropbox share. 	


   Sorry for the delay . . . was in Wichita putting the

   finishing touches on a staircase to my sister's deck.



   Paul's software offering can be found at:



  http://tinyurl.com/yby3waw6



   You guys might be thinking about how you'd like to

   configure the 'elegant' package.  The ECB I've

   crafted will lend itself to either an open-

   to-the-sky style of installation, like our

   old AEC9005 . . .



 [img]cid:7.1.0.9.0.20170711182114.06b813d8(at)aeroelectric.com.0[/img] 



   of course, this can be put into some form

   of enclosure with the connector extending

   through the wall.



 

   There's a kinda cute extruded aluminum

   enclosure offered from several sites on

   the 'net . . .



 [img]cid:7.1.0.9.0.20170711182114.06b813d8(at)aeroelectric.com.1[/img] 



   The final configuration could be converted to surface

   mount components. Connections brought out on flying

   leads through a grommet.



   The advantages for thru-hole components is that

   more people might be encouraged to take on

   the project. Anyone spotted another option?



  



 

   Bob . . .

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papa11(at)centurylink.net
Guest

Posted: Tue Jul 11, 2017 4:06 pm Post subject: IVO Prop current limiter

On 7/11/2017 7:30 PM, Robert L.       Nuckolls, III wrote:

     

      	  Quote: 	
		         At 05:28 PM 7/11/2017, you wrote:

               	  Quote: 	
		  -->           AeroElectric-List message           posted by: "Paul A. Fisher" <paulf(at)hughes.net> (paulf(at)hughes.net)

           

           Certainly.  Bob, could you please add the IVO Prop controller           software to your site with the rest of the files?  It's           currently in           our Dropbox share. 	
       

         Sorry for the delay . . . was in Wichita putting the

         finishing touches on a staircase to my sister's deck.

       

         Paul's software offering can be found at:

       

                http://tinyurl.com/yby3waw6

       

         You guys might be thinking about how you'd like         to

           configure the 'elegant' package.  The ECB I've

           crafted will lend itself to either an open-

           to-the-sky style of installation, like our

           old AEC9005 . . .

         

         [img]cid:part2.25F1FA82.93F971E1(at)centurylink.net[/img]         

         

           of course, this can be put into some form

           of enclosure with the connector extending

           through the wall.

         

         

           There's a kinda cute extruded aluminum

           enclosure offered from several sites on

           the 'net . . .

         

         [img]cid:part3.D757C768.2989C52D(at)centurylink.net[/img]         

         

           The final configuration could be converted to surface

           mount components. Connections brought out on flying

           leads through a grommet.

         

           The advantages for thru-hole components is that

           more people might be encouraged to take on

           the project. Anyone spotted another option?

         

          

         

                

             Bob . . .            	
     

-----------------  Hi Bob I would like one of the IVO prop       current limiters if you have one left .    Emil Radtke pulsar111       with Jabriu 3300 engine ------------------you can send me info on       this page. thank you

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Eric Page

Joined: 15 Feb 2017
Posts: 242

Posted: Tue Jul 11, 2017 5:32 pm Post subject: IVO Prop current limiter

Wow -- I went to work for a two-day trip and you guys have the project all but finished!



I guess with the through-hole PCB layout done and ordered, there's probably little point in me continuing my effort to do it here.  I'll lay down my pencil unless there's another way I can assist.



If it's decided to pursue a surface mount version, I'd be happy to work on that.  Just say the word...



Cheers,



Eric

nuckolls.bob(at)aeroelect
Guest

Posted: Tue Jul 11, 2017 7:06 pm Post subject: IVO Prop current limiter

At 08:32 PM 7/11/2017, you wrote:

  	  Quote: 	
		  --> AeroElectric-List message posted by: Eric Page <edpav8r(at)yahoo.com>



 Wow -- I went to work for a two-day trip and you guys have the project all but finished! 	


   wouldn't bet on that . . . but it did take a quantum

   jump



 

  	  Quote: 	
		  I guess with the through-hole PCB layout done and ordered, there's probably little point in me continuing my effort to do it here.  I'll lay down my pencil unless there's another way I can assist. 	


   Let's see how the 



 

  	  Quote: 	
		  If it's decided to pursue a surface mount version, I'd be happy to work on that.  Just say the word... 	


   The board I have is about 2x the area that

   would be required for SM components . . . and

   if I were tooling up to build quantities, I'd

   go SM. But if we're wanting to maximize penetration

   into the DIY community, TH is probably better.



   Once the hardware and software are successfully

   married, an SM version in the smaller extruded

   aluminum enclosure might encourage someone to

   build up small quantities for sale . . . to

   be sure, the plug-n-play community is larger than

   the DIY community.



   B&C might be intreseted in adding it to their

   stable of products . . . let's see how the

   project matures.



 

   Bob . . .

nuckolls.bob(at)aeroelect
Guest

Posted: Tue Jul 11, 2017 7:10 pm Post subject: IVO Prop current limiter

 	  Quote: 	
		  

 Hi Bob I would like one of the IVO prop current limiters if you have one left .    Emil Radtke pulsar111 with Jabriu 3300 engine ------------------you can send me info on this page. thank you 	


  Emil, at the moment, this is a spontaneously

  organized cooperation to develop the product.

  The boards I mentioned are bare boards which

  I will make available to individuals who will

  be the beta-testers . . . they'll have to

  acquire parts and assemble them.



  At the moment, I have no plans to produce them

  here but somebody on the List might be willing

  to help you out.



 

   Bob . . .

nuckolls.bob(at)aeroelect
Guest

Posted: Sat Jul 15, 2017 6:31 am Post subject: IVO Prop current limiter

The boards didn't make it here yestereday . . . flight

 delay . . . will be here Monday.



 How do you guys want to disposition the 5 extra boards?



 I'll keep one to play with. If as many as five others

 want to build one, it sorta makes sense that one

 person in the build group buy parts and split

 up into kits.



 Saves on postage, procurement $time$ and perhaps

 increased opportunity for quantity breaks.



 



 



 

   Bob . . .

nuckolls.bob(at)aeroelect
Guest

Posted: Sun Jul 16, 2017 3:31 pm Post subject: IVO Prop current limiter

At 11:36 AM 7/15/2017, you wrote:

  	  Quote: 	
		  Bob,



   I would build one of those Prop limiters for my electric adj. IvoProp.



   If you need someone to make the initial order for parts, I'd be happy to do that.  I could disseminate the parts kits to the interested builders. 	


   I have uploaded an illustrated bill of materials and

   a parts locator to . . .



  http://tinyurl.com/yby3waw6



   Note that the BOM does not call out a mating D-sub

   connector (D15S) since each builder may choose from

   either crimp or solder-cup connectors. Also missing

   is a callout for a D15H hood. The builder will need

   6-32 hardware to fasten the assembly down to the

   mounting-surface/heat-sink.



   A LED travel limit annunciator is also missing from

   the BOM. Something like this might tweak your

   fancy . . .



  http://tinyurl.com/y8j6qrva



   Unless the builder has programming capability for

   the PIC chip, I'll suggest the chip not be ordered

   from Digikey rather from someone in the project group

   with programming tools.



   I think the mechanical aspects of the data package are

   now complete. I'll assemble one here as well so we can

   beta-test software and compare notes.



 

   Bob . . .

nuckolls.bob(at)aeroelect
Guest

Posted: Tue Jul 18, 2017 9:19 am Post subject: IVO Prop current limiter

 	  Quote: 	
		    I think the mechanical aspects of the data package are

   now complete. I'll assemble one here as well so we can

   beta-test software and compare notes. 	




   The boards are here. Thought I had all the

   parts to stuff one but found a couple

   of shortages. On order for delivery by

   priority mail . . . 



 

 

   Bob . . .

paulf(at)hughes.net
Guest

Posted: Tue Jul 18, 2017 11:04 am Post subject: IVO Prop current limiter

Bob and all,     

I've got 7 of the PIC chips in inventory today, so I can program       them and send them to people who want to do some beta testing.  Or       I could send them all to whomever is going to be putting the kits       together.  I would suggest we let Bob assemble one of the boards       and do a quick check of the software before I program the rest of       the chips.     

Paul Fisher

          

     On 7/16/2017 6:30 PM, Robert L.       Nuckolls, III wrote:

     

      	  Quote: 	
		                At 11:36 AM 7/15/2017, you wrote:

        	  Quote: 	
		  Bob,

         

           I would build one of those Prop limiters for my electric adj.         IvoProp.

         

           If you need someone to make the initial order for parts, I'd         be         happy to do that.  I could disseminate the parts kits to the         interested builders. 	
       

         I have uploaded an illustrated bill of materials and

         a parts locator to . . .

       

                http://tinyurl.com/yby3waw6

         

         Note that the BOM does not call out a mating D-sub

         connector (D15S) since each builder may choose from

         either crimp or solder-cup connectors. Also missing

         is a callout for a D15H hood. The builder will need

         6-32 hardware to fasten the assembly down to the

         mounting-surface/heat-sink.

       

         A LED travel limit annunciator is also missing from

         the BOM. Something like this might tweak your

         fancy . . .

       

                http://tinyurl.com/y8j6qrva

         

         Unless the builder has programming capability for

         the PIC chip, I'll suggest the chip not be ordered

         from Digikey rather from someone in the project group

         with programming tools.

       

         I think the mechanical aspects of the data package are

         now complete. I'll assemble one here as well so we can

         beta-test software and compare notes.

       

       

           Bob . . .

nuckolls.bob(at)aeroelect
Guest

Posted: Fri Jul 21, 2017 8:18 am Post subject: IVO Prop current limiter

Got the board stuffed.



  http://tinyurl.com/ycemckye



 I need to get my pic programmer up and running

 for a couple other programs. I'll pop a 9023 chip

 and see how critter works. 



 

   Bob . . .

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