They will gladly take your old vacuum cleaners for either disposal or ... use parts to build a homemade air purifier. There are many DIY tutorials online that can both inspire and instruct you ...

Builds like these are much more than the sum of their parts, especially when they result in a useful tool, like this DIY vacuum chamber ... hands on things like the old fridge compressor used ...

Especially in the case of vacuum tube electronics, running down gremlins in the circuits isn’t always a straightforward process (also, please mind the high voltage that is present in old vacuum ...

Additionally, he explored an alternative approach without removing any hardware. Instead, he used the Roomba Open Interface (ROI), a built-in feature of the vacuum cleaner’s original control board.