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How are you going about Production Programming for nRF51 parts?

Marc Nicholas

Howdy,

We're gearing up to program about 4,000 nRF51822s. They'll get the BLE version of DFU plus a stable version of our own code. For future production runs, we'll likely have our partner in Japan program the devices on the assembly line.

So, my question is: how are you handling your programming? Are you literally doing boards one-at-a-time with a SEGGER and a pogo-pins or similar?

Our PCBs are panelized as 5*5, so I've toyed with the idea of building an X-Y slide with stepper motors to fly a programming head across the boards. Buying 25 SEGGERs so that we can push 25 sets of pogo-pins down on to an entire panel is cost prohibitive.

Our world is also slightly more complex in that we create custom stickers that are unique to each programmed device, too :)

Thoughts? Current strategies? Horror stories? Please share! :)

-m

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    What we've decided to do is build a custom programming rig with nRFjprog on a PC, an Arduino and some Python to control everything.

    As we'll be post-programming, the rig will have pogo pins that interface with standardized set of contacts on each of our five different nRF51-containing boards.

    The rig will both program and exercise our board (we'll emulate a battery connection, check peripherals work).

    I'll post some pictures when we get everything working! :)

    Which brings me up to the next question: any suggestions on code to "exercise" an nRF51822 to check that it's functioning? We can write something, but figured I'd ask...I'll post it in a separate topic.

    Cheers,

    -m

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  • 0

    What we've decided to do is build a custom programming rig with nRFjprog on a PC, an Arduino and some Python to control everything.

    As we'll be post-programming, the rig will have pogo pins that interface with standardized set of contacts on each of our five different nRF51-containing boards.

    The rig will both program and exercise our board (we'll emulate a battery connection, check peripherals work).

    I'll post some pictures when we get everything working! :)

    Which brings me up to the next question: any suggestions on code to "exercise" an nRF51822 to check that it's functioning? We can write something, but figured I'd ask...I'll post it in a separate topic.

    Cheers,

    -m

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