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396 results for “drfootleg”
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No longer just CAD. 3S2P Li Ion battery pack with protection board and mounting for electronics. To be the heart of my #ledcube
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Progress on the power electronics and Raspberry Pi assembly to go inside my self powered LED Cube project. Features 3 of my own design PCBs. A battery charging board, a 5V buck regulator board able to supply 5A continuous, and a HUB75 LED panel driver HAT. #LEDCube #RaspberryPi #CAD
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Before I delete my 16 year birdsite history, I thought I would pick some of my more popular project posts and share them here.
This was the LED Cube I designed in 2020 during lockdowns. I finally got it assembled in January 2023, but still have not finished the power electronics. I did produce a PCB to drive the panels off a Raspberry Pi. The Li charger and power board PCB is still waiting for me to send it off to be fabricated. #electronics #LEDcube #RaspberryPi #maker
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My lockdown project from 2020 has reached a momentous stage. I finally confirmed that my design is possible to assemble! #LEDcube #electronics #RaspberryPi
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A good session this evening working on the design and mounting of the interior electronics for my LED cube.
#CAD #LEDs #LEDcube #electronics #RaspberryPi #3Dprinting -
Today I have done some more work on the CAD model of the LED cube I am building. Added the metal touch points to the frame edges and all the interior brackets which hold the frames together. All these parts are 3D printed in PETG already, and I am working on assembly now.
#LED #LEDcube #electronics #3Dprinting -
I’ve fitted the first 16 touch points into the edges of one frame for my LED cube. Minimal cracking on 3 of them from the pressure applied while forcing them in, but I think we’re good. 32 more to go, but my fingers hurt too much to do more tonight. #maker #LEDcube #LEDs #electronics #RaspberryPi
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Printing the first real parts I designed myself in multi colour on the #ERCFv3
#3dprinting -
They’re Otterly adorable! Magnets in their hands make them posable. #ERCFv3
(Model by McGybeer: https://www.printables.com/model/889097-magnetic-otter) -
Otters down. It’s carnage on the build plate! So glad I managed to get object exclusion configured.
#ERCFv3 #3dprinting -
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These required all day monitoring to deal with occasional misfeeds and more than a few false alarm filament run out triggers (I need to disassemble my print head to look at why the switch is not detecting the presence of filament during printing), but I ended the day with 3 armadillos! Design by McGybeer. Another successful from my #ERCFv3 #3dprinting
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Today I hope to confirm my successful prints were not a one off fluke. Go armadillos! #ERCFv3 #3dprinting
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Finally success with the #ERCFv3
A #3dprinted trio of the tiny owls by McGybeer in 4 colours. 199 layers and the first 98 printed without any problems before a colour change was halted due to filament not quite fully unloading and preventing the selector moving. Quickly resolved and a few layers later a filament clog paused the job again. This time the reason was the nozzle had come slightly unscrewed. Once that was cleared up the rest of the print completed with no manual interventions needed! -
I have spent the evening tuning the flushing volumes to determine the minimum purge amounts needed to ensure clean colours. Here you can see the purge block transition from black to green (it gradually changes over several lines), and from green to red (happens more abruptly over just a few lines). I think I am nearly ready to attempt another full print to see it it can complete without interventions. #3dprinting #ERCFv3
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Another big step forwards today. I learned how to configure the ERCF configuration to detect when the selector is blocked from moving by using the stallguard feature of the TMC2209 stepper driver. Now when filament fails to completely unload the selector detects the stall of the motor and the software attempts a recovery. It unloads the filament a little more then tries a home to the end stop. If this fails it pauses rather than loading the wrong colours as and printing on. #ERCFv3
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It finally completed at 1:30AM. Many filament unload fails resulting in some layers being printed in the wrong colours as the selector failed to move due to filament not being retracted enough for it to clear the selector. Need to work on a solution for that, and detection so it can pause if it occurs. #ERCFv3 #3dprinting
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After a break to play with my Christmas zigbee gadgets I am back to attempting to tame the ERCF v3 with a 4 colour 3Dbenchy. It has got further than ever before, but has still needed regular interventions. #ERCFv3
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Filament blocks fully assembled and contact surfaces filed to ensure none of these stick down. A lot of work but as I learned with the v2 build, getting these moving cleanly is critical to successful operation. #ERCFv3
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Building my ERCFv3 today, using my CrowView with Pi5 laptop to view the build manual. #3dprinting #ERCFv3 #MakerMonday <- well #MakerXmas all week really
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Arrived in the city for the #SMRRF this weekend. Manchester weather doesn’t disappoint!
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Steady progress on the Deathracer build while I’ve been unwell these past 3 days. I’m at the stage of working out where I used longer screws than I should have as I run out of them but have loads of shorter ones left from the kit (which has no instructions). Also reprinting several parts where the holes were too large for screw threads to bite in them. #3dprinting #SMRRF
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Deathracer build was going well until on the 4th axle (of 4) the drill bit bound so tightly in the 50mm deep hole I had to drill out that it snapped when I tried to reverse drive it back out. So now I need to reprint that part and try again. #smrrf #3dprinting
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It appears I am now building a #DeathRacer for #SMRRF (assuming the parts kit arrives in time!)
https://www.youtube.com/playlist?list=PLMo89umUV98rdeB4_8urxc9-Vu1SL9mGF -
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@piofthings This is the Voron R0.2 kit from http://siboor.com who I met at the #SMRRF in December. I am really impressed with the kit for the money. Came with all 3D printed parts included and the print quality is excellent.