![]() 3D printing for the enclosure and brackets (if you don't own a 3D printer and don't have access to one, there are services where you can upload files and have things made and shipped to you).Simple electronic soldering (very basic even if you are a beginner, you shouldn't have much trouble).At a glance, it seems complicated, but each step is straightforward. I wanted to provide enough details so that someone who isn't a maker, or who hasn't done these particular things, will have the information to actually be able to do it. If you are already a maker of sorts, some of the description will be an over-explanation of obvious things. The description of this project is a bit lengthy. I would be interested in hearing any suggestions or ideas for improvements (you can leave comments about that here or in one of the project reference sites mentioned below). All of the design files and software source code are freely available under open source licensing, so you can do things differently if you want to. There are a lot of interesting things to consider in the design, but I've done a bunch of that thinking and deciding for you. Once you have it built and installed, you can just set it and forget it. When the furnace or air conditioner stops blowing, the Ventbot turns the fans off. When the furnace or air conditioner is blowing warm or cool air into the room, the Ventbot automatically turns the fans on to provide a boost. A small circuit board and microprocessor provide the smarts. The idea is to use commonly available and inexpensive PC case fans to do the work. With this project, you can make your own booster fans with behavior that is completely under your control. You can buy booster fans that sit on top of or under registers to blow more air into those rooms. Do you have rooms in your house that are colder than other rooms in the winter? If you have air conditioning, are those same rooms warmer than other rooms in the summer? It's common for that to happen to rooms farthest from the blower on the furnace or air conditioner.
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