Next batch of Duo modules?

Hi,

I’m looking to create an IoT prototype using the duo modules. I noticed the modules are out of stock at Arace. Is there another batch expected within the next few months?

Also, is there any documentation for how the “update pin” works? Should unused pins be left floating or pulled down, etc. I took a look at the datasheet and TRM for the sg2000 and couldn’t find an answer either.

Thanks!

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