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  • :( Argh... it is quite easy to do I'm afraid. I have no idea how some of the smaller Arduino boards cope (when making the Pico I'd looked at some of them, realised they didn't have fuses, and thought I could probably do without too).

    The batch that's just arrived is the same as the existing ones (I just wanted to get some more ones quickly!) but Seeed are getting ready to make a big batch of new ones, which will have a fuse.

    If you're only ever planning on running your board via the USB connector, you can actually just short out where the diode is - which is even easier to do! Also you can still use your board as-is by powering it from the Bat or 5V pins using a breadboard supply.

  • Which Arduino boards don't have polyfuses?

    The only one I see that doesn't is the pro mini - and all but the most faithful clones have added one! Uno, Due, Duemillipede, Micro, Leo, Mega official boards all have polyfuse.

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