Woodworking is an essential industry and can be an enjoyable hobby but the danger of airborne wood dust just can’t be ignored.
In order to wire up the three-way switch for the extractor, I had to reverse engineer the contacts and the manual was both in Chinese and also applied to several different models and it was not clear which one I
To control the extractor fan I purchased a three-way switch that is labelled, “Man”, “Off” and “Auto”. The fan controller has a trigger connection and the idea is that this can be controlled from the light switch or in future
As mentioned on the Guild of Makers Conference post, I picked up an extractor fan at the swap meet. This was a powerful dual blower style fan with a timer and an external trigger. There’s also a microswitch that controls