CloudACM

Capturing changes in video frames was the basis of an earlier post, https://www.cloudacm.com/?p=3423. The intent was to trim out the content that had little or no changes between frames. This saved storage space so more content could be retained. I had stumbled upon this demonstration that took a different approach. This method puts emphasis on the changes between frames by highlighting the differences. The areas with no change becomes the background. It reminded me of an earlier demo that I…

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This post will cover the installation of NUT which will be used to monitor UPS units from a single host. The data gathered by NUT will then be published to a MQTT broker. From there the data will be processed in Node-Red to provide a at a glance view of the UPS units as well as conditional actions. There have been others who have built interfaces that are specific to a make and model of UPS, such as here https://www.jmayes.com/cyberpower-backup-serial-protocol-and-interface/….

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“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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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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