User:Dorkmo/Log: Difference between revisions

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<html><iframe width="600" height="600" src="https://osedev.org/wiki/James?start=7/1/2018"></iframe></html>
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[http://dorkmo.net/osefeeddorkmo.xml Dorkmo's Large File Torrent Feed]</h2>
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[[Category:Personal Logs]]
[[Category:Personal Logs]]
[[Category:Logs]]
[[Category:CAD team]]
[[Category:CAD team]]
{{RightTOC}}
{{RightTOC}}
[[/2011]] [[/2012]] [[/2013]] [[/2014]] [[/2015]] [[/2016]] [[/2017]] [[/2018]]


[[User:Dorkmo/Log/2011|2011]] [[User:Dorkmo/Log/2012|2012]] [[User:Dorkmo/Log/2013|2013]]
=To Do=
 
[[Dorkmo To Do List]]
 
=march 5, 2015=
 
*hooked up test battery to the ultrasmartcharger.com
**had minimal success, wouldnt recognize as a battery
**it would see it when in battery recovery mode
**but would immediately errorr bc max voltage of 2V around 2.04V
*found the custom [http://www.ultrasmartcharger.com/phpBB3/viewtopic.php?f=3&t=68 configuration utility] on their website
**tried to tweak max voltage but even the custom max is 2V
**after a few tests tried lowering the charge currernt to very low
***set to 10
*tricked the charger by tapping a AA NiCd battery on the leads before the charge
**not sure if this actually made a difference but it seemed to help
**running firmware 0.524
*charging continued without error led flashing
 
after a few hours i pulled the SD card to check the data. the data seems to show that the cell was increasing its voltage. and was indicating it had reached about 25mAh. i assume that is calculated and not truly measured like voltage. in the next couple days i plan to run a full charge, discharge, charge, discharge, charge analysis. i think that will give a true capacity rating.
 
here are the data for the fist charge attempt [https://docs.google.com/spreadsheets/d/1M6tXRpsHZgIKi1d6b9bUxMs2JmeDEeli_B36ayJOHfY/edit?usp=sharing google doc]
 
[https://drive.google.com/folderview?id=0BwxMMqGvwTM-S3JTT0Uwb1o2cUU&usp=drive_web pictures]
 
=feb 28, 2015=
 
*test charging some standard NiCd batteries to get acquainted with how the charger/analyzer works
**[http://www.ultrasmartcharger.com/phpBB3/viewtopic.php?f=5&t=88 Posted results on their forum]
 
=jan 31, 2015=
 
*took delivery of the [http://www.ultrasmartcharger.com/ battery charger/analyzer]. instructions say the memory card can only be 2gb max.
**[http://www.walmart.com/ip/PNY-2GB-Premium-Secure-Digital-Memory-Card/11078643?action=product_interest&action_type=image&placement_id=irs_top&strategy=SMT&visitor_id=86924686113&category=0%3A3944%3A133277%3A132913%3A63988&client_guid=bcbd57dc-bd7e-4c5b-a8d6-6e04470b98df&config_id=2&parent_item_id=10242116&guid=6d1dbc62-4325-4cd3-9e70-64df2644cb52&bucket_id=irsbucketdefault&findingMethod=p13n need one of these]
**need to format to fat16 [http://www.tomshardware.com/forum/278925-32-formatting-card-fat16#6061880]
*will probably finish cleaning up the groove stuff this week
*might start looking at [[User:Dorkmo/Ideas/Stepper|stepper stuff]] soonish
 
=jan 3 2015=
 
*cage floats in water, need to constrain
**going to use two inward divots, upper and lower, on narrow sides of cages. will mate with wall outie divots
***add sphere r=caage endwal thickness + divot radius. then subtract divot
***or maybe just make endwall thicker. k.i.s.s.
 
=dec 12 2014=
 
1st attempt
*iron powder held in cage
*nickle powder seeped out lower half of cage mesh
**may need steeper and/or thicker mesh wall
*small cracks in tub began to leak
**need to finish optimizing SCAD
*nickel wire held by cage lid well
*used 1.5V
**not sure if charging
**charge analyzer would help much
 
 
=dec 7 2014=
 
printed tub with grooves, did a decent job of preventing layer splitting. seemed to do best when the grooves on one face staggered with grooves on the joining face.
 
spent some time shifting existing grooves up and down but finally realized need a different strategy
 
redoing some of the SCAD groove module to allow for more tweaking so the staggering can be ensured. plan: will tweak groove width one side and set it for the rest from that one. then tweak angle on adjoining side and copy angle to side opposite it.
 
*no word back from battery charger dude. might not work out.
**ordered a 1.5v voltage regulator from digikey to do a dumb charge
 
=dec 5 2014=
 
[[Image:Ose-battery-images-20141205-scad.png|400px]]
 
[[User:Dorkmo/Ideas/Battery/SCAD/Sandbox#tub_with_grooves_and_eyelets]]
 
*added grooves
*added eyelets
**need to finish the other two sides
**not sure what to put through the hole.
 
=dec 4 2014=
 
*might put slanted grooves on the outer wall to try to cut down on printed layers coming apart.
*guna do a larger lid to cover multi cells and have 2 pole mounts
**will have donut mounts on sides that align with mounts on outer walls
 
 
=dec 3 2014=
 
Ordered a battery analyzer/charger. Should be able to test a single 1.2v cell up to 20Ah.
 
Probably will only use for design/testing. Would need something else for regular use at 12v.
 
[http://ultrasmartcharger.com/ documentation]
 
[http://www.paulallenengineering.com/store/p2/2_Slot_AA_Charger%2C_Standard_SD_Data_Logging%2C_External_Drain%2C_With_Case.html order page]
 
[http://ultrasmartcharger.com/phpBB3/index.php forum]
 
 
 
=nov 25 2014=
 
<html><iframe src="https://drive.google.com/file/d/0BwxMMqGvwTM-Njh0YWI2QjRqXzQ/preview" width="640" height="480"></iframe></html>
 
<html><iframe src="https://drive.google.com/file/d/0BwxMMqGvwTM-RC00bXRFa3otWUU/preview" width="640" height="480"></iframe></html>
 
 
 
=nov 24, 2014=
 
need to build in some adjustable leeway to accommodate imperfect slicing and printing
*tweaks for lid
**going to reduce total length and width of the bottom part of the cage lid by 0.2mm
**need to print without a skirt (oops)
**might chamfer the bottom 0.5mm
**going to put a cone shape hole at the bottom of the wire holes to keep from closing up
 
 
=nov 22, 2014=
 
*tried to optimize size a little. attempting to get a 12v 10 cell within 200mm max dimension to fit 3d printer.
*changed the cage lid so it can be skinnier.
*added some calculations to attempt to predict how much chemical will be needed for the entire battery
**not really sure how to calc density of powders, so it may be way off. gives an absolute max though.
 
[[Media:Ose-battery-20141122.zip|STL Files]]
 
 
[[Image:Ose-battery-images-20141122-scad-lid.png|400px]]
 
=nov 20, 2014=
 
<html><iframe src="https://drive.google.com/file/d/0BwxMMqGvwTM-dXlSOUJHLTJCWGc/preview" width="640" height="480"></iframe></html>
 
<html><iframe src="https://drive.google.com/file/d/0BwxMMqGvwTM-LV80N2Niald3dEE/preview" width="640" height="480"></iframe></html>
 
*printed two cages. look pretty good. better than i expected.
**might slim it down so it holds less powder.
 
*ordered chemicals. might be a few weeks.
 
=nov 18, 2014=
 
[[Image:Ose-battery-images-20141118-scad.png|400px]]


made some stl's. guna try to slice.
[[LifeTrac v2025]]


=nov 17, 2014=
=Feb 2, 2026=
* added motor mounts and wheel shafts.
* need to fix wheels and tires


mostly finished with the scad work. could clean it up a little but its working. getting printer back in shape, maybe next week.
[[File:Lifetrac v25 animation-20260202.gif|frame|center]]


=nov 14, 2014=
=Jan 31, 2026=
: '''Meeting Notes and TODO'''
* 10-14 gpm bidirectional solenoid valves open center
* Qwiic LoRa Digi joystick
** connect LoRa to arduino onboard lifetrac?
* Check to see what can be exported to FreeCAD
** Use [[FreeCAD Plumbing Designer]] as a guide
* Parking break?
* Flat platform between machine walls above wheel motors to attach powercube and aux engines
* Focus on wheels instead of tracks for now. Airless Tires.
** Could use 2x6 square tubing through walls from side to side to mount outer universal track bearings
* 60hp total machine target
* Build bench top wireless and solenoid control system
* June


*reworked the scad for the mesh module, i like i better.
=Jan 25, 2026=
**draws a big matrix of cubes, then rotates it, then gets the intersection() with a cube the size of the wall
* About finished with general arm code. will need to input actual hydraulic ram gemoetry later.
*guna do a simple lid next thatll silicone onto the top of it
* A few little bugs
**might use a small 'rope cleat' to tie off wire going into cage
** crossbeam too long, colliding with arm's square tubing
** add missing holes for cross beam angle iron on the outside plates of the arms
** need to lower side walls a few inches to avoid big pinch point
** need to move the arm's main hydraulic cylinder attach point to the walls so that it doesnt collide with machine's back plate.
* need to adopt/design quick attach plate from previous OSE work
* need to select wheel motor and mounting design
* need to add a few more structural plates on bottom of machine and perhaps top area below arms
* need to add engine and hydraulic pump mounting system


[[File:Lifetrac v25 animation-20260131.gif|frame|center]]


=nov 11, 2014=
=Jan 2, 2026=
"Object isn't a valid 2-manifold! Modify your design. See http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/STL_Import_and_Export"


i tried using the mirror() function to make a mirror image of the mesh. apparently that was a bad idea.
'''Good work - MJ''' I had good luck on ChatGPT produxing real designs via freecad macros. See the spindle I designed. Try to integrate chat. I think we can getbchat to donreal FEA via frecad macros too.


=nov 9, 2014=
Been using Gemini 3 in visual studio. It seems to do a better job of understanding spacial ideas and locations when described in text. makes a good pairing for openscad.
*mirrored sides
*need to add divots for clip in
*need to figure out problem with angles above 45
*need to determine cage height from tub height


=nov 6, 2014=
going to have it make notes of ai sessions here : https://github.com/OpenSourceEcology/LifeTrac/blob/main/LifeTrac-v25/AI%20NOTES/conversation_log.md
fixed a bug and centered holes


=nov 3, 2014=
On January 2, 2026, a session fixed visual issues and optimized hydraulic cylinders for the LifeTrac V2.5 loader arm in OpenSCAD by correcting bucket cylinder misalignment using actual arm tip coordinates. Upgraded from a 16-inch to 18-inch stroke through iterative mounting adjustments, aligning the crossbeam with physical arm cutouts while adding diagnostics. Final setup resolved visuals, geometry, and constraints with optimized stroke and positions.
[[File:Lifetrac v25 animation-20260102.gif|frame|center]]


been slowly working on an [[OpenSCAD]] file for the battery idea. got the holes aligned and angled how i imagined them. im a bit of a noob so i probably did the code in the most difficult way imaginable. [[User:Dorkmo/Ideas/Battery/SCAD]]
=Dec 12, 2025=
*Trying out Google Gemini 3. seems to do a good job.


[[Image:Image20141103-batteryprogress.jpg|400px]]
[[File:Lifetrac v25 animation-3.gif|frame|center|LifeTrac v25 Animated GIF Dec 12, 2025]]


*need to tweak the height and width of the mesh compared to the wall itself.
*also need to make some divots near the base for it to snap into the base of the tub.
*also a lid.


=oct 12, 2014=


revisited battery. sketched a single cell idea. would hold the ni and fe powders on either side of a printed grid membrane. not much surface area optimization. would like to test something simple and then go from there. need to check on how much electrolyte needs to be around.
=Dec 9, 2025=


[[User:Dorkmo/Ideas/Battery]]
*Tweak camera view


[[Nickel-Iron Battery]]
[[File:Lifetrac v25 animation-2.gif|frame|center|LifeTrac v25 Animated GIF Dec 9, 2025]]


=sep 18,2014=
=Dec 7, 2025=


added metal roof sheet to roof panel
*Talking to github AI (Claude Opus 4.5) with VS Code plugin.
**Created first draft of LifeTrac v25 machine design using purely AI prompts for OpenSCAD.
**Process is render openscad, look for errors, tell AI about errors, apply changes, re-render and repeat.
**Claud 4.5 seems to be a bit better than GPT 5.1 Codex Max in understanding physical world of openscad


[[File:MH4-rooflayer2top.skp]]
[[File:Lifetrac v25 animation.gif|frame|center|LifeTrac v25 Animated GIF Dec 7, 2025]]


=sep 12, 2014=
=oct 16, 2025=
*Clean up v25 lifetrac bom
*: https://github.com/OpenSourceEcology/LifeTrac/pull/42
*Need to ask about what style this lifetrac structure design will be


updated roof panel with cross members on 24" centers.


[[File:MH4-rooflayer1bottom.skp]]
=Oct 9, 2025=
*asked github copilot to create render of browser control website
*: https://github.com/OpenSourceEcology/LifeTrac/tree/main/LifeTrac-v25#raspberry-pi-web-controller


=sep 10, 2014=
=Sep 30, 2025=
Looking at valve options
Parker makes a 8gpm 3 position proportional control cartridge valve. dsp105c1
https://ph.parker.com/us/en/product/directional-control-proportional-valves/dsp105c1


did a rough idea for door frame, collecting more input for next revision.
=Sep 25, 2025=
*Ordered Burkert 8605 316532 Proportional valve controller
*Ordered Brand Hydraulics PEFC12-20-12 20gpm proportional valve


[[File:MH4-moduledoor2x6.skp]]


[[Door_Requirement]]
=Feb 3, 2020=


=aug 31, 2014=
*ordered heat sinks and fans for circularknitic power electronics
[[Roof_Layer_1]]
**ATS-54150W-C1-R0 [https://www.mouser.com/ProductDetail/advanced-thermal-solutions/ats-54150w-c1-r0/?qs=MLItCLRbWsxEtT4esZyz6A%3D%3D&countrycode=US&currencycode=USD link]
[[Roof_Layer_2]]
**ATS-54310W-C1-R0 [https://www.mouser.com/ProductDetail/advanced-thermal-solutions/ats-54310w-c1-r0/?qs=w%2Fv1CP2dgqrDvyH%252bQcqVHw%3D%3D&countrycode=US&currencycode=USD link]
on layer 2 i think i may have put the horizontal piece at either end on the top not the bottom side. need the check
**MD625B-12 [http://catalog.orientalmotor.com/item/axial-fans-mds-md-series-dc-axial-fans/mds-md-series-60mm-62mm-dc-axial-fans/md625b-12 link]


=Tue Jul 22, 2014=
=Jan 8, 2020=
See [[Barrel Mixer]]


=april 14, 2014=
*assembling rotoknitic
*email correspondance on circularknitic


http://opensourceecology.dozuki.com/c/Controller
=Tue Jan 7, 2020=
[[RotoKnitic v19.01]]. [[Knitic Genealogy]].


http://blog.protoneer.co.nz/wp-content/uploads/2012/10/Arduino-Uno-Mega-Dimensions.png
=April 29, 2019=


=april 13, 2014=
*Mar from CircularKnitic suggested using solenoid to operate the needle movement
**due to the limited travel distance, i think some sort of lever with a bearing will be needed
**will need to transfer the lever's circular motion into linear
**https://www.digikey.com/products/en/motors-solenoids-driver-boards-modules/solenoids-actuators/180?v=527


trying out the [http://fritzing.org/home/ fritzing] program for a new ceb controller board project. [https://docs.google.com/document/d/11deHuTHwnXVGwOAiGU-PDnJxmzbjP9ZpLYPTA-D4dCo/edit?pli=1 Andrew's notes for reqs]
=April 27, 2019=


[[File:Controllerbridge1.fzz]]
*perhaps could define p4clear possibly as low as 1/2 of -p4rampH? maybe -1/3*p4rampH ?
**this would reduce needle travel and shrink mountain
*Applied to show CircularKnitic at MakerFaireTulsa https://tulsa.makerfaire.com/


finding a couple things for board [[Talk:CEB Press 6 - Controller Module - Bill of Materials]]
=April 21, 2019=


expiramting with an idea for printable rocker switches that will allow for rubber outer seal and can activate buttons mounted on a pcb. would eliminate wiring board to buttons.
*working on rotoknitic idea
**https://github.com/OpenSourceEcology/circular_knitic_pick-a-needle
*need to make rack and pinion
**https://www.thingiverse.com/thing:2072364/files


[[File:Rockersmdbutton.skp]]
=April 20, 2019=


also have been looking over bunny's log for help [[James Slade Log]]
*documented sock sized circular knitic build
**[[User:Dorkmo/Builds/CircularKnitic-Sock]]


[https://upverter.com/eda/#tool=schematic,designId=2d958299ddd5a35c wiring schematic]
=Mar 2, 2019=


[https://docs.google.com/drawings/d/1AxeT5boHsEPlywFx8O94khOHOpDnSFwuXK3kAgsHP1c/edit?pli=1 pictures of assembled board and wiriing]
*Circular knitic build and design changes


[http://opensourceecology.org/wiki/James_Slade_Log#Thu_Aug_8.2C_2013 bunny's bom]
=Feb 16, 2019=


https://github.com/OSE/ceb-controller/
*started a BOM scad file to auto generate bolt size/length/count output
**formatting is not very user friendly but nice to have calculated output


=april 7, 2014=
=Feb 15, 2019=


[[User:Dorkmo/Ideas/Forklift]]
*Looking up parts for build
**[[User:Dorkmo/Builds/CircularKnitic]]
*need to get full list of bolts and nuts
**[https://www.fastenal.com/products/fasteners/sockets/socket-cap-screws/holo-krome?r=~%7Ccategoryl1:%22600000%20Fasteners%22%7C~%20~%7Ccategoryl2:%22600039%20Sockets%22%7C~%20~%7Ccategoryl3:%22600040%20Socket%20Cap%20Screws%22%7C~%20~%7Csattr01:%5EMetric$%7C~%20~%7Csattr04:%5EM3-0.5$%7C~%20~%7Cmanufacturer:%5EHOLO-KROME M3 Socket Screws]


sketched an idea for a more tradition forklift attachment.
=Jan 19, 2019=
*worked on knitic
**changed to a printed drive gear
***avoiding a $6 single source part
**added holes for stepper motor
***could use regular DC, but in the future might use steps to customize mountain use
**changed table top to octogon, added holes for mounting legs
***calculating tabletop OD using stepper motor width and gear sizes
**added some needles to the full assembly model to check placement
**need to add bolts to smallbearingholder to make sure the nut/head dont hit anything


[[Image:Forklift-idea-dorkmo1.png|400px]]
=Jan 15, 2019=
*Review [[CEB Press Controller v19.01]]
*more circular knitic work, tweaking the Z bearing holder to be more printer friendly
*searching for local CNC Laser cutting shops for hire, found 4 or 5


=feb 21, 2014=
=Jan 2, 2019=


[[Image:DorkmoEarthlodge1.png|100px]]
*proposed new design [[RotoKnitic v19.01]]


general idea for a small earth house
=Jan 1, 2019=


[[User:Dorkmo/Ideas/Microhouse_Earth_Lodge]]
*cleaning up circular knitic design

Latest revision as of 04:54, 3 February 2026

/2011 /2012 /2013 /2014 /2015 /2016 /2017 /2018

To Do

Dorkmo To Do List

LifeTrac v2025

Feb 2, 2026

  • added motor mounts and wheel shafts.
  • need to fix wheels and tires
Lifetrac v25 animation-20260202.gif

Jan 31, 2026

Meeting Notes and TODO
  • 10-14 gpm bidirectional solenoid valves open center
  • Qwiic LoRa Digi joystick
    • connect LoRa to arduino onboard lifetrac?
  • Check to see what can be exported to FreeCAD
  • Parking break?
  • Flat platform between machine walls above wheel motors to attach powercube and aux engines
  • Focus on wheels instead of tracks for now. Airless Tires.
    • Could use 2x6 square tubing through walls from side to side to mount outer universal track bearings
  • 60hp total machine target
  • Build bench top wireless and solenoid control system
  • June

Jan 25, 2026

  • About finished with general arm code. will need to input actual hydraulic ram gemoetry later.
  • A few little bugs
    • crossbeam too long, colliding with arm's square tubing
    • add missing holes for cross beam angle iron on the outside plates of the arms
    • need to lower side walls a few inches to avoid big pinch point
    • need to move the arm's main hydraulic cylinder attach point to the walls so that it doesnt collide with machine's back plate.
  • need to adopt/design quick attach plate from previous OSE work
  • need to select wheel motor and mounting design
  • need to add a few more structural plates on bottom of machine and perhaps top area below arms
  • need to add engine and hydraulic pump mounting system
Lifetrac v25 animation-20260131.gif

Jan 2, 2026

Good work - MJ I had good luck on ChatGPT produxing real designs via freecad macros. See the spindle I designed. Try to integrate chat. I think we can getbchat to donreal FEA via frecad macros too.

Been using Gemini 3 in visual studio. It seems to do a better job of understanding spacial ideas and locations when described in text. makes a good pairing for openscad.

going to have it make notes of ai sessions here : https://github.com/OpenSourceEcology/LifeTrac/blob/main/LifeTrac-v25/AI%20NOTES/conversation_log.md

On January 2, 2026, a session fixed visual issues and optimized hydraulic cylinders for the LifeTrac V2.5 loader arm in OpenSCAD by correcting bucket cylinder misalignment using actual arm tip coordinates. Upgraded from a 16-inch to 18-inch stroke through iterative mounting adjustments, aligning the crossbeam with physical arm cutouts while adding diagnostics. Final setup resolved visuals, geometry, and constraints with optimized stroke and positions.

Lifetrac v25 animation-20260102.gif

Dec 12, 2025

  • Trying out Google Gemini 3. seems to do a good job.
LifeTrac v25 Animated GIF Dec 12, 2025


Dec 9, 2025

  • Tweak camera view
LifeTrac v25 Animated GIF Dec 9, 2025

Dec 7, 2025

  • Talking to github AI (Claude Opus 4.5) with VS Code plugin.
    • Created first draft of LifeTrac v25 machine design using purely AI prompts for OpenSCAD.
    • Process is render openscad, look for errors, tell AI about errors, apply changes, re-render and repeat.
    • Claud 4.5 seems to be a bit better than GPT 5.1 Codex Max in understanding physical world of openscad
LifeTrac v25 Animated GIF Dec 7, 2025

oct 16, 2025


Oct 9, 2025

Sep 30, 2025

Looking at valve options Parker makes a 8gpm 3 position proportional control cartridge valve. dsp105c1 https://ph.parker.com/us/en/product/directional-control-proportional-valves/dsp105c1

Sep 25, 2025

  • Ordered Burkert 8605 316532 Proportional valve controller
  • Ordered Brand Hydraulics PEFC12-20-12 20gpm proportional valve


Feb 3, 2020

  • ordered heat sinks and fans for circularknitic power electronics

Jan 8, 2020

  • assembling rotoknitic
  • email correspondance on circularknitic

Tue Jan 7, 2020

RotoKnitic v19.01. Knitic Genealogy.

April 29, 2019

April 27, 2019

  • perhaps could define p4clear possibly as low as 1/2 of -p4rampH? maybe -1/3*p4rampH ?
    • this would reduce needle travel and shrink mountain
  • Applied to show CircularKnitic at MakerFaireTulsa https://tulsa.makerfaire.com/

April 21, 2019

April 20, 2019

Mar 2, 2019

  • Circular knitic build and design changes

Feb 16, 2019

  • started a BOM scad file to auto generate bolt size/length/count output
    • formatting is not very user friendly but nice to have calculated output

Feb 15, 2019

Jan 19, 2019

  • worked on knitic
    • changed to a printed drive gear
      • avoiding a $6 single source part
    • added holes for stepper motor
      • could use regular DC, but in the future might use steps to customize mountain use
    • changed table top to octogon, added holes for mounting legs
      • calculating tabletop OD using stepper motor width and gear sizes
    • added some needles to the full assembly model to check placement
    • need to add bolts to smallbearingholder to make sure the nut/head dont hit anything

Jan 15, 2019

  • Review CEB Press Controller v19.01
  • more circular knitic work, tweaking the Z bearing holder to be more printer friendly
  • searching for local CNC Laser cutting shops for hire, found 4 or 5

Jan 2, 2019

Jan 1, 2019

  • cleaning up circular knitic design
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