Using Esp8266 As An IoT Endpoint With Encrypted MQTT Transport

Using ESP8266 as an IoT Endpoint with Encrypted MQTT Transport A while back, I purchased a few SparkFun Thing Dev boards (featuring the venerable ESP8266 WiFi chipset) and SparkFun Beefcake Relays with a plan to use them in a cloud-free IoT setup. After some investigation, I settled on using the MQTT protocol as a lightweight way to send and receive messages between my Linux server and any number of IoT endpoints throughout my house.

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Raspberry Pi Zero W Simultaneous AP and Managed Mode Wifi

Enabling Simultaneous AP and Managed Mode WiFi on Raspberry Pi Zero W (Raspbian Stretch) I recently purchased a pair of Raspberry Pi Zero W boards, and plan to use them for some home automation / IoT-type work. One of my requirements is that the WiFi on this board be able to run as both a “managed” device (also known as “client” mode) and as an access point, preferrably at the same time.

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Hello

What’s with TheWalrus? This one’s easy. I was looking for interesting words that end with ‘us’ that could be purchased as cheap domain names. I picked up a few and so far have only maintained TheWalrus and TheCactus. I have no personal attachment to either one yet, but I’m sure I can retroactively drum something up if I can dedicate some time to this blog. What’s with this blog? Ever since – ohh… – high school, I’ve been meaning to keep an online journal of sorts, before the word ‘Blog’ was a thing.

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