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A project log for Improve the Haber process

See if ultrasonic cavitation can be used to fixate atmospheric Nitrogen less expensively than the Haber process.

peter-walshPeter Walsh 09/21/2015 at 21:550 Comments

.) New Git repository with everything: hardware, electronics, software

.) PCB layout is complete, available in GitHub

.) Sample boards ordered from OSH Park, I should have them October 7th, more or less.


The new GitHub repository has everything so far: all the hardware files, the schematics, and the software.

The only thing missing is the PCB layout, only because I'm having so much trouble getting it done with Kicad. This will probably get sorted in the next day or two, then the layout will go up as well.

The repository is here:

https://github.com/Sonicators/UltrasonicSystem.git

(NB: Having NO problems with GitGui whatsoever. Git is awesome!)


PCB layout is complete, the board files are available in the repository.

The board was ordered from OSH park, I should get the prototypes back around October 7th, more or less, then I can see if populating the board will result in a working system.

OSH Park has a wonderful interface! It's completely seamless, and very informative. E-mails are sent informing me of the status and predicted dates for delivery and such. Really neat!

Three boards are $123. Yikes!

After some googling, I've decided that a 5-board run from a low-cost site on eBay puts the board at around $10. That's a lot better, and I can optimize the board for a better price.

The original plan was to use an ATX power supply box as a project enclosure, but there's a lot of unused space on the board, and components are only on one side. I could easily chop $25 off of the OSH price.

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