A motion detecting light for your mailbox

My better half and I each receive business mail at a “mailboxes-r-us” place a couple of miles from the house. (Nothing sketchy - but neither of us sees any good reason to broadcast our home address.) I swing by and check the boxes nearly every day, but there are plenty of days when neither of us has any mail. I’ve often told myself that, One Of These Days Real Soon Now, I’ll build a little IoT notifier thingy… I clicked through to this article hoping that somebody might have saved me the trouble.

(Yes, I could call ahead to ask the proprietors of our PMB whether we got any mail - but no, that’s not a viable long-term strategy.)

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