IoT mailbox guard

For complete project description, parts list and links to related resources, see:

Name		Name	Last commit message	Last commit date
Latest commit History 9 Commits
IoT-Mailbox-Guard-brd.png		IoT-Mailbox-Guard-brd.png
IoT-Mailbox-Guard-sch.png		IoT-Mailbox-Guard-sch.png
IoT-Mailbox-Guard.brd		IoT-Mailbox-Guard.brd
IoT-Mailbox-Guard.ino		IoT-Mailbox-Guard.ino
IoT-Mailbox-Guard.sch		IoT-Mailbox-Guard.sch
LICENSE		LICENSE
README.md		README.md

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