Pools have come a long way. It used to be you had a pump and if you were lucky it had a mechanical timer switch on it. That was it. Now you have digital controllers and spa jets and heaters. You can even get them that connect to your home automation system. If your pool isn’t new enough to do that already, you can get a range of add-on accessories. For a price. [Rob] paid $500 to get a remote for his pool. It wasn’t even WiFi, just a simple RF remote. In 3 years, the transmitter had burned out ($300 to replace) and he decided he had enough. For $20, [Rob] added MQTT control and monitoring to his pool using an ESP8266. You can see the video description of the project below.
Is anyone else bored of these manufacturer-supplied "scoop" shots of vehicles with a bit of swirly wrap stuck to them?
Of course, after buying a 1000W PSU, I kept getting intermittent shutdowns and freezes after 30-60 minutes of gameplay or CAD work, despite remaining perfectly stable while mining for days at a time. The GTX670 has no backplate and last year a fan screw vibrated loose and fell on top of it while everything was running. The motherboard was toast so I ungraded it and the CPU (AMD FX9590), but the GTX670 itself seemed okay. Apparently not.
The ESD protective wrist strap should not tie you to a hard ground, it usually has a 1Meg resistor included, just for this reason. But perhaps not every cheap chinese one has?
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You need to learn how to read a datasheet and understand the terms – without an understanding it won’t do you any good.
I really do like the C-Max, as it’s a compelling value, and it actually drives fairly well in my opinion.
Have to be ohnest I would never ever consider a SSR for such an application even if it was a genuine unit form a reputable supplier. this is a perfect example where a relay should be used, tried, tested and ought to fail somewhat gracefully if it came to it. Not snarking at the OP, but any situation I have used an SSR its been massively over-specced for the load im driving, i dont think I could sleep well at night with an SSR controlling tens of amps at hundreds of volts.
TJ may also want to mention on his project page that without a choke, the TRIAC will dump out a ton of EMI (that’s why most commercial dimmers have to have a choke in series with the load to be able to get FCC certification).
Among 56 analysts covering Amazon.com (NASDAQ:AMZN), 53 have Buy rating, 0 Sell and 3 Hold. Therefore 95% are positive. Amazon.com had 330 analyst reports since July 21, 2015 according to SRatingsIntel. The firm has “Buy” rating given on Thursday, September 21 by Argus Research. As per Friday, October 27, the company rating was maintained by SunTrust. The firm earned “Outperform” rating on Friday, October 27 by Oppenheimer. Wolfe Research upgraded the shares of AMZN in report on Friday, February 23 to “Buy” rating. As per Monday, October 17, the company rating was maintained by Credit Suisse. The stock has “Buy” rating by Nomura on Thursday, January 18. Jefferies maintained the stock with “Buy” rating in Friday, February 2 report. JMP Securities upgraded the stock to “Outperform” rating in Wednesday, July 22 report. Aegis Capital maintained the shares of AMZN in report on Friday, February 2 with “Buy” rating. Axiom Capital maintained the shares of AMZN in report on Tuesday, October 27 with “Buy” rating.
Anyone that knows me really well, especially family members, is surprised/amazed that I’ve managed to be over 50 and still more or less bilaterally symmetrical, without too many visible scars.
Retired engineer, 71 years young. Computer builder and programmer. Linguist specialising in language acquisition and computational linguistics. Interested…
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