Charting the S&P 500’s range-bound, but bullish, (unofficial) summer start | Lrd12 Overload Relay

Obviously, I enjoy having the Kia Niro around, either in plug-in or standard hybrid variants. It’s not a driver’s car by any means, but for a geek who likes plotting fuel spending in Excel, this would have me dancing in my spreadsheets. This Niro PHEV has me studying what it would take to wire a dedicated charging station in my garage in place of that worn 120v socket.

Experts suggest buying an EVSE that can produce at least 30 amps of power. Generally speaking this type of unit would be able to add around 30 miles of operating range to a given battery pack per hour. Some EVs can get along with fewer amps, but buying more capability than you may need today makes the installation “future proof” should you eventually trade in the vehicle for a model that can handle the added capacity. However, if you’re planning on using a 30-amp unit you may need to upgrade the line’s circuit breaker to one that’s rated for at least 40 amps.

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Simple, do you know how expensive it would be to change from 120v to 240v? It would be an insane amount and there would be virtually no benefit.

I worked in telephony for many years, and the ring voltage can be as high as 180 bolts at various frequencies, but, rather low current. In really old telco systems it may also be a square wave.

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.

Good call, light bulbs and heating elements don’t need perfect smooth precise 12vDC, as long as it’s in the ball park you’re good.

Ah, right you are. I’m out of date — I last dealt with UK power in 1981, and have not been back since. Thanks for the update.

I flashed Tasmota firmware onto the Sonoff, and configured GPIO2 as a counter, and I now have the whole setup reporting to Node Red, which switches the pumps on and off on schedule, or as desired. I’m quite chuffed with the result, although now I need to learn a lot more about how Node Red works!

You neglected to mention the Geiger-Muller counter and the Anthrax detector. Nothing short of criminal negligence to work without either one.

They’ve lifted 200kg so far, and it looks like a pretty cool addition to a shop already packed with other builds, like their MOT spot welder and a propane tank sandblaster.

While contrast-detection AF systems these days are much faster than they used to be, phase-detection AF generally still has the edge in terms of outright speed. It also involves less hunting around the point of focus, since phase-detection systems can determine both the focus direction and the required adjustment. On the flip side, though, contrast-detection systems generally offer more precise focusing, since the image sensor itself is responsible for confirming the point of focus, without any reliance on the lens’s focus drive and AF sensor alignment being perfectly in spec.