My friend died of electrocution while on the job. Our mains voltage here is 240V (single phase) or 415V (three phase) and not very forgiving.
While the Sony A55 and A33′s singular claim to fame is its exceptional shooting speed, that’s only part of what it has to offer. Just in the last year, Sony has used its high-speed sensor technology to create a number of innovative new camera features that, on their face, have nothing to do with high-speed shooting. This hands-on report is already running far too long, so I’ll just make brief mention of some of these special Sony modes here. Even if you feel no need for 7 to 10 fps capture in your personal shooting, these special exposure modes alone would be reason enough to buy one of these cameras.
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 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.
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With the introduction of the RGC..32, Carlo Gavazzi now offers a solution for switching up to 37 AAC at 40°C that fits in the 17.8mm wide platform with a depth of 103mm. The RGC..32 is offered both with screw, as well as box clamp output terminals. The version with box clamps is rated for up to 37AAC @ Ta 40°C. This higher current rating on the 17.8mm compact platform is achieved through the utilization of a higher rated power chip that has an I²t of 18000 A²s. Due to this high I²t specification, the RGC..32 can be protected against short circuits by B curve Miniature Circuit Breakers, in applications where the UL508 SCCR rating is not required.
The thing about the picture that worries me is the receptacles seem to be mounted below 18 inches from the floor. That is a BIG NO-NO. IF there are any gasoline cans in the garage for an old lawn-mower, etc then he has just created an explosion hazard.
Hopefully one of these days we’ll go to significantly more DC distribution all over teh place, but I often wonder if I’ll see it in my lifetime. I thought I was imagining things when I was trying to remember if Japan was 50&60, but that’s pretty fascinating.
Point taken. Perhaps it’s time to change of the the mindset, of the at large DIY community to when treated with properly 120/240 VAC can be used safely, as it’s being used day in and say out. I recall a project of Limor Fried made a project more as need be be becase she appered to be overly frearful of line voltage, then again she was taking into consideration the carelessness in the hacker community. One the flip side I personally know electrical engineers with decade in the filed who flippantly say 120 VAC can’t kill you. I know enough to know they are being full of shit In the end because of irritation fear useful resource is being ignored. Then again I have history of being comfortable with working on motor controls with neatly 800 VAC feeding them or working with electronic devices that have more than 30,0000 volts inside the cabinet. Lower voltages bring greater safy to life burt rquire higher current to do the amount of work, potetiall a fire hazrds id something goes wrong.
They call those death sticks in the electrical trade. Those are just the first step in making sure it’s safe.
You also need to insure that the hot line is completely isolated from the neutral line other than via the intended switching and power supply paths. Insuring that is a hell of a lot easier when you use registered isolating components to do it.
If the car achieved its minimum 44 mpg and used 3.1 gallons, that means 136 miles were done on gasoline and 117 were EV miles.
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