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More pictures from the DIY Drones factory in San Diego. I mentioned before how important testing and QA is. The above picture shows how it's done: each product has a dedicated test jig, with spring-mounted pogo pins and a special version of the product board running test code.

The board to be tested is pressed on top of the jig, and the pins fit into the board's holes to make an electrical contact. Then the special test version of the product runs a series of diagnostic tests on the board. If it passes, it's shipped out. If it fails, it's thrown out or sent to engineering to figure out what's wrong.  

We need a different test jig for EVERY product. So in a sense, we have to design every product twice: once for the product itself and another design for the product that will test the product. Another thing to keep in mind if you're thinking about getting into the electronics business. It's harder than it looks!

Here's what the jigs look like from the side:

For fun, here are a few more shots from the factory:

Here's here the foam peanuts that your board are packed in come from!

And here's that high-precision scale that can count how many screws we've put in a bag, so we always get the right number.

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