This is the third version of the Mailbox Notifier project. This iteration utilizes a LoRaWAN Adeunis Dry Contacts device. The device is compatible with the LoRaWAN Helium Network and is particularly well-suited for outdoor use (IP68).
Repository from Github https://github.comvhuynen/Adeunis-Dry-Contacts-Mailbox-LoRaWAN