Electronics > Projects, Designs, and Technical Stuff
Playable electronic modules - modules in action
HendriXML:
The idea of putting magnets on the sides will be implemented in the upcoming revision. Having modules clicked/close to one other saves desktop space and make it much easier to transport a setup. Pins and wires won’t be under tension as much.
In Cura the software that renders the 3D print I found a way to create a local solid fill. I will just dril holes in those solid fills and glue the cylindrical magnets in them. Will off course make a drilling template to have the magnets allign precisely. The local solid fills are also important for the PCB stands.
SpencerTC:
--- Quote from: HendriXML on March 06, 2019, 02:53:44 pm ---
--- Quote from: SpencerTC on March 06, 2019, 02:02:30 pm ---I like this idea. I volunteer to teach a beginners electronics class once a week and we haven't gotten to digital design yet. I think I will use your idea and make several for demonstration purposes, I will likely just give them breadboards and IC's when we get to the hands-on lab portion of that concept.
Thanks for being my muse in this instance!
--- End quote ---
Nice to hear!
If you need files I could create a GitHub repo for this or post them here, but I have to update them all.
This is what I got
* Stickers with symbols in Visio, great tool for parameterized 2D drawings
* Case/box in FreeCad, great tool for parameterized 3D designs
* PCB layout in KiCadBut all of them are ready for a 2.0 revision.
--- End quote ---
Thank you!
Honestly, the only resource (other than the idea) that I would use would more than likely be the stickers. I do believe others might also want to use this idea, so a repo with all relevant information would be nice.
I thought of a potential feature....the labels could be removable (magnet, velcro, etc...) that way you could make an array of gates, put some known inputs in and have a few LED's scattered throughout the design for outputs...then you could make the students decipher what type of gate each of them are.
HendriXML:
I recreated the gate stickers, they now in portrait stand. This allow a better view on the symbols. The power connectors do not block the view as well.
I've one rev 2.0 case done, it takes 3,5 hours to print. Estimate all incl. cost was about 0.80 €.
The measured weight was 29 gr. Which corresponds to about 0.60 € worth of PLA.
I'm still struggling with how to mount the magnets. The coating on them makes them hard to glue, but it can be done with superglue they say (degrease, fine grain sanding). However that is of a later concern.
The new case has more margin so the PCB/case is not under any tension anymore. The hex screws can be tightened a lot, I'm pleased with that choice.
Next step is to resolder the XOR example and give it a new sticker. The headers will be soldered after applying the sticker. I don't want any burn-marks any more.
HendriXML:
--- Quote from: SpencerTC on March 07, 2019, 09:12:41 pm ---I thought of a potential feature....the labels could be removable (magnet, velcro, etc...) that way you could make an array of gates, put some known inputs in and have a few LED's scattered throughout the design for outputs...then you could make the students decipher what type of gate each of them are.
--- End quote ---
Nice idea! (They could also be covered.)
I'll be creating nice assignments as well. I guess it will be in the form of:
John wants his lights (use LED) to go on when it gets dark (use LDR). But only when he's at home (use switch 01).
HendriXML:
--- Quote from: SpencerTC on March 07, 2019, 09:12:41 pm ---
Honestly, the only resource (other than the idea) that I would use would more than likely be the stickers. I do believe others might also want to use this idea, so a repo with all relevant information would be nice.
--- End quote ---
No problem :-+
If anyone needs something I’d like to hear it.
Creating a repository takes a lot of effort to do it right, so from an efficiency point of view I’ll delay that if possible or let the idea go. I’ve put a poll to this thread, to measure the interest in a repo.
The stickers match the 5x7 perfboards, so Visio would be needed if changes are required.
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