General > General Technical Chat
Single person full product design
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Infraviolet:
Full-stack development of a prototype by one person is very feasible, I'd argue a lot of us on this forum effectively do it already.

I'm not sure one person's expertise would be enough to go from a full working, finalised in virtually every sense, device to mass manufacture and sales though. I doubt there are many examples of single individuals knowing everything needed to make a product AND then everything needed to scale up to mass manufacturing (which sometimes requires changes to the product simply for improving the practicality of manufacturing steps, even when these don't d anything to iprove the performance or reliability above what the prototype achieved) AND then everything needed to successfully market the product and turn a profitable businss from it.
EEEnthusiast:
I have built a couple of products single-handedly. The tasks included the schematics, PCB layout (KiCAD), PC GUI development, BOM procurement, mechanical design, box assembly, marketing and sales , website design. The only thing i did not go myself was the PCB assembly, which was quite complicated.

You can search for "IOT power profiler" ZS2102A and ZS1100A. I took a break from work and was sitting idle at home. Had all the time in the world to do al of these in about a year's time.
peter-h:

--- Quote ---Has anyone made a gadget from start to finish doing everything themselves including the mechanicals?
--- End quote ---

Yes, hundreds of products since 1978 :)

Your bike light examples are just incompetent design. Like USB connectors for charging, which let water in (I solve those by inserting a short USB cable into it and epoxy-ing all around the plug entry point, and let the cable dangle).

Actually, making plastic parts which snap together properly is a real tricky process. The rules are well documented but still lots of people do it badly.
armandine2:
I watched one of IanScott Johnston's YouTube videos the other night - looked to me like he does pretty much everything  :clap:

nigelwright7557:
I work for myself and do everything from circuit design, embedded software, pc software, design pcb's, build up pcb's and test/fix final pcb.
A little variety makes the job more interesting.

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