May 2021

May 25, 2021

ESPHome Wake from Deep-Sleep with MQTT

Welcome back! In this episode, I’m taking you through how to manage your deep-sleep mode battery-powered IoT sensors remotely, using MQTT retain flags. This lets you catch the device at its’ next wakeup interval and keep it online, so you can do a firmware update, then put it back in its’...

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May 19, 2021

TrueNAS CloudSync to S3.. on the cheap!

In this tutorial, I’ll take you through how to configure TrueNAS to sync your datasets to AWS S3, encrypted in flight, and double-encrypted at rest! Sound expensive? Think again.. I spend about $4/month for 1TB of highly-durable data!

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May 7, 2021

Solar-Powered IoT project: Firmware flash

Let’s get some ESPHome firmware flashed on to your ESP32 solar-powered IoT project! I’ll show you the basics of building the base firmware to get it attached to your WiFi network, some tips and tricks for working with mDNS across subnets, and leave you with a working OTA-managable solar-powered sensor! Code...

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May 3, 2021

Containerized MQTT Broker

Here we’re going over the deploy and config of a containerized MQTT Broker, all the basics of pub/sub, topics, retain flags, and I’ll even show you how to dig in under the hood of a Docker volume. Check out the video below, and code samples discussed in the video are here...

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