Gregory's ServerThe angel on my left shoulder: 👼 If we put electronics in a fan then that means a power supply, and capacitors fail
The trash-fingered raccoon technician on my right shoulder: 🦝 There are fans that run off a drill battery
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3 comments
 👼 DC motor, 🦝, brushes also fail 🦝 Brushless DC motors are also a thing 👼 Ah yes, reinventing the AC induction motor, rock-solid reliable basic tech for over a century, by involving a, what was it, a COMPUTER, yes, 🦝 Alright there are some things to think about, but the answers could save people a lot of money, not to mention the emissions versus air conditioning 👼 But for how long, 🦝? A basic fan will last as long as its owner, how long will your brushless DC computer fan keep going? Will it fail just outside of the warranty? 🐷 pardon me, gentlemen, I couldn't help but overhear... |
@ifixcoinops Mitsubishi ductless mini-split heat pumps have models with motion sensors.
Could just use a zwave or ZigBee plug or even X-10 with a motion senor. There are probably also plugs with motion sensors built in.