Turn on/off dust collection (vacuum) in shop based on tool noises
A Raspberry Pi system that uses an audio frequency analyzer to recognize when tools turn on that require the dust management system, and then turns on the vacuum.
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Filt8 - v3.6 release - Requires Python 3.x (3.10 or higher on Mac)
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Completely autonomous, it uses GPS to locate itself and synchronize the internal clock. Automatically transform gps coordinates into string locator and report live QTH. Based on HF propagation prediction, it alternates between MUF (maximum usable frequency) and OWF (optimum working frequency) and reports the received wspr spots to log or wsprnet.org