#136 Building an MQTT letterbox Part 1 // Project

Remember that thing in front of your house? The letterbox. In this multi-part video I'll show you how easy it is to get your letterbox to send you alerts via MQTT when you get new mail. So you won't have to guess anymore.

MQTT is the choice protocol for Makers. This is a multi-part video looking at MQTT, how it works, what it does and how you can use it to do some useful stuff.

Vote on my project at instructables! https://www.instructables.com/id/Build-a-Letterbox-That-Sends-You-Alerts/

More Info: https://mickmake.com/archives/2648 GitHub code: https://github.com/MickMakes/MQTTletterbox

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