I'm not sure if I'd call this "ripping off". It is broken english, but in the US you are allowed to say "X compatible replacement part" and not be infringing:
I mean, if they included drawings sufficient to recreate it, maybe a cad model for the plastic injection molds? But as it stands, I wouldn't call it especially open source.
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[ 3.8 ms ] story [ 33.5 ms ] thread2) Disappointing the software itself isn't open source.
[0] https://lectronz.com/products/drv8825-stepper-motor-stepstic...
[1] https://pololu.com
https://aaronhall.com/online-retailer-may-use-manufacturers-...
This listing doesn't exactly pass all of the tests, but as a buyer I'm currently not confused.
It's little more than a standard IC on a simple board with a standard pinout.
I mean, in what world is a terminal block "open hardware" https://lectronz.com/products/-3-5mm-pluggable-terminal-bloc...