Also power the unit directly from the mains ( http://ww1.microchip.com/downloads/en/appnotes/00954a.pdf ) with the ability to power the unit directly with DC when (re)programming the ESP8266
The comments section of this article is disgusting. Most people throwing rocks at TJ have no idea what they’re talking about, or their concerns are obviously apparent to anyone reading TJ’s post.
If you really have to work on a live circuit, electrically isolate yourself and try to work with only one hand. Put the other one in your pocket. That way the risk of closing a circuit through your body is much smaller. Also don’t work in a hurry, carefully plan your actions and slowly do them. Use nonflammable clothes. Use electrically protective gloves. Use face protection.
Hopefully the era when people did industrial sourcing from an overgrown Beanie Baby marketplace will be looked back on by future generations, and they’ll laugh.
I first thought we were about to see the actual moment when it was about to blow. But this is post mortem autopsy.
Fukoku Mutual Life Insurance Company, which manages about $777.78 million US Long portfolio, decreased its stake in Raytheon Co (NYSE:RTN) by 2,000 shares to 1,600 shares, valued at $331,000 in 2018Q3, according to the filing.
Tell that to the parents buying baby formula adulterated with melamine. The Chinese have long standing traditions that support cutting as many corners as possible. Basically, cheat until caught. And their government seems to actively turn a blind eye to all manner of this nonsense.
Sure you can say it’s cultural and you have to take this into account. It’s still bloody dishonest though! Just means their culture is dishonest. Same place where people skim fat out of the damn SEWER to cook food, and it ends up contaminated with all the industrial chemicals that were illegally dumped down the sewer.
Indeed, I did a HV Course at a functioning power station where once you had isolated an 11kV switchboard you had to grab hold of the bus bars to show the other workers it was safe to carry out their work.
What about converting down to 12-24v AC for the bed with a ZVC switch going to the controller? It seems that running it off DC is wasteful but mains is relatively risky.
You now have a Tesla 3 correct? What is the efficiency hit by using 120 volts? It used to be a 30% hit for the S,X, Roadster, and new Rav4Ev with the Tesla drivetrain, Meanwhile 12 amps at 115 for a VOLT is quite efficient.
Dust reduction. The Sony A33 has a dust abatement and removal system. A charge-protection coating on the low-pass filter aims to prevent dust adhering in the first place. The sensor shift mechanism used to provide SteadyShot image stabilization also doubles as a shake mechanism to try and free stubborn dust particles that settle on the low-pass filter, although at much lower frequencies than the vibration induced by cameras using a piezoelectric element. From what we can tell, there is no strategy for keeping dust off the translucent mirror, except to blow the surface gently with air; it cannot be cleaned, and should never be touched. A fingerprint would require replacement at a service center.
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