On 5/18/21 7:28 PM, Scott McDonnell wrote:
My other hobby is robotics and one of my robots is an RB5X. This uses the same style Molex socket, but with fewer pins, for custom application software. I have been trying to adjust the scad model, but haven't nailed it yet.

Last month, I ran across two of the M100 compatible Molex carriers on eBay and snagged them. Figured they may come in handy one day.


Now I've updated the scad so that it generates both PCB and DIP versions of carrier, and each of those in all 3 sizes 24, 28, 32-pin, and updated the kicad files so there are template pcbs for each 24, 28, & 32 pins. The .scad code is getting kind of spaghettifakakta with a bunch of if(variant=="DIP")... if(variant=="PCB")... all over, but it's working and the output looks ok. It is pretty neat typing "make" and it spits out 6 .stl models, then spits out .step version of each of those right into the kicad project folder.

So if you want to use a DIP-24 chip, take this .stl and get it printed by SLS in plain nylon. (Shapeways/Sculpteo basic option).
https://github.com/bkw777/Molex78802_Module/blob/master/Carrier/Molex78802_DIP_24.stl

Or, if you want to make a pcb, get this stl printed instead:
https://github.com/bkw777/Molex78802_Module/blob/master/Carrier/Molex78802_PCB_24.stl
and start the pcb by copying Molex78802_PCB_24.kicad_pcb (and the 000_LOCAL.pretty folder)

Though what I really suggest is don't do either of those until my test prints come in and then if they look good I'll put up easy pre-loaded buy links to buy any of these carriers. Probably by then I'll also have a 24-pin version of Meeprom using a 28C64 or 28C256 to serve as an even better starting point or reference.

--
bkw

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