The Not-So-Hollow Head – Wemos Halloween Prop

The Not-So-Hollow Head – Wemos Halloween Prop

“Meet the world’s most over-engineered Halloween decoration: a disembodied head that’s got more computing power than NASA circa 1969! This isn’t your dollar store plastic noggin – oh no, this bad boy is what happens when a software engineer gets way too excited about spooky season. First off, this chatty cranium has two ways to creep you out. Option one: wave your hand in front of it like you’re trying to get its attention at a ghostly dinner party, and…

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ESP32-Cam Data Retention

ESP32-Cam Data Retention

This post will show how to use the ESP32-Cam module microSD media as non volatile storage for variables. Flash write cycles have a limitation which can limit the life of the module if overused. MicroSD media can be easily replaced as needed and offers a more suitable alternative when the module is repeatedly power cycled. The module will be used to capture images of the interior of a vehicle when in operation. Each time the vehicle is operated, a new…

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Solving Data Mysteries with Plots

Solving Data Mysteries with Plots

This post will expand on the topic of data plotting which was discussed in this post, https://www.cloudacm.com/?p=4136. The concept is to give a quick at a glance view of information. Details can be lost in lengthy data sets formatted in tables or flat files, which are tedious to sift through.  Data fatigue is problem for those not prepared to handle large amounts of information.  The apathy it can foster can turn a resource into a liability.  By using plots, it’s…

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