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bgkatz / 3phase_integrated

3-phase motor controller with integrated position sensor
MIT License
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PCBway A noob question #6

Open jpol0006 opened 3 years ago

jpol0006 commented 3 years ago

Hi Ben, I really appreciate the work you've done and the fact that it's open source. I was delighted to find your GitHub with a lead from Gennady's "Skyentific" YouTube channel.
I want to get a quote from PCBway on ten assembled controllers and have a noob question (or two) regarding how to get the quote from their online estimator tool. I see that there is a build files directory for PCBway , which zip file do I upload to the estimator tool....is it one of files in that directory, is it the MFG.zip in the parent directory, or another? Is there a another step I'm missing? I've tried uploading MFG.zip but am unclear on the correct values for number of components and number of pads. I'm sorry to be asking for such basic help, I'm new to this level of hardware R&D, my expertise lies elsewhere and I'm trying to achieve maximum value on a shoestring budget without accidentally blowing the budget by making a procedural error at the quotes stage. Hopefully I'm on the right track and that you won't mind too much me asking. yours, John

jpol0006 commented 3 years ago

oops, I may have just described above he steps I went through for trying to arrange a quote from NEXTPCB...but at this stage any insight would be good

regards, John

bgkatz commented 3 years ago

I'll try to clean up this repository eventually, it's kind of a mess...

The MFG.zip folder contains the gerbers and BOM used for getting these built on PCBWay. You should unzip it and upload the contents where specified on the PCBWay ordering page.

androiddrew commented 3 years ago

@jpol0006 did you have any luck ordering assembled and working boards? I saw the same Skyentific video, and I am also curious as to how to complete an order for assembled boards. Maybe you could provide some more steps as to what you had to select.

@bgkatz are these boards that should use a 2oz copper?

jpol0006 commented 3 years ago

@androiddrew ... I did, they wanted an insane amount for 10 boards assembled, I uploaded the MFG.zip to define the boards and the centroids file per the online upload thingy, used the total parts numbers from the excel spreadsheet... I priced them up with several different pcb manufacturers and the process was slightly different with each... the lowest quote was around $6,000 , the highest was over $13,000... needless to say the project is on hold since the built boards can be ordered via AliExpress for around $60 each, with a small price break on volume purchases

bgkatz commented 3 years ago

2 oz is good, 1 oz is okay if you're not pushing them too hard.

Many of the components are out of stock at the moment due to the global chip shortage, so I'm not surprised you're quotes were super high. Normally in qty 10 they cost me about $100 each, and in higher qty about $65 each from pcbway.

androiddrew commented 3 years ago

@bgkatz I have one of the Chinese motors with one of these boards now, but I can't seem to find a document that outlines how to construct the CAN Bus message. Are there any docs you could point me to? Maybe include it in the README.md too?

bgkatz commented 3 years ago

See here:

https://docs.google.com/document/d/1dzNVzblz6mqB3eZVEMyi2MtSngALHdgpTaDJIW_BpS4/edit?usp=sharing