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451: From Concept to Launch

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How to Fix a Broken Flash Unit

We updated, we put a bootloader into RAM and then updated the flash to be all ones and then all zeros and then all ones. We didn't have a recovery method and it was a unit that we had taken out the flash fuses because it was supposed to be very secure. So it's truly breaking the unit. There is no recovery. It's hard to do that to the unit that you've had lovingly sitting on your desk. Sometimes that's a lot of money, you know, depending on the cost to build those prototypes. That's just thousands of dollars that can be just flushed down the drain to test this functionality.

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