Shoot the engineer and start production

A coworker at my previous job had a sign in his office that read:  “There comes a time on every project when you just have to shoot the engineer and start production.” Why?  Because engineers will continue to tweak a design ad infinitum, even if it’s already suitable for production.

Such was the case of a recent post on Hackaday, which detailed one person’s creation of a USB-powered LiPo battery charger.  One commenter suggested ditching the USB plug in favor of using the PCB itself for the USB connection.  So I did it.  But, being an engineer, I found that insufficient.  So I also managed to shrink the footprint.  And did it all on a single-layer PCB.  For fun.

And if you’re interested, here is the schematic and layout.

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