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New Google Classroom update makes it harder to cheat on quizzes | Circuit Breaker Parts
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 la...Read more -
Google’s Night Sight for Pixel phones will amaze you | Circuit Breaker Parts
But saws only bite in one direction, which is why the working stroke has to be in phase. Doesn’t matter which way the dudes are facing, they have to apply force to it in the same direction at the same time, and the other stroke is just returning back to starting point. The RF-controlled remote sw...Read more -
Things Your Electrician Wishes You Knew | Lrd12 Overload Relay
Being small and shiny, it was an almost dead cert that a new engineer would pick it up, When tipped over, the relay would be energized by the tilt switch, the relay then switched off its own power, which resulted the contacts closing again, resulting in oscillation, and large back emf spikes whic...Read more -
Microsoft announces Xbox One keyboard and mouse support with Razer partnership | Lrd12 Overload Relay
Historically, there were two post-war electric utilities, and one contracted with GE for equipment, and the other contracted with Siemens – thus the two wound up with different frequencies. ⢠Circuit conditions such as the peak voltage and current during the surge event ⢠The MOV continuous o...Read more -
What Most Techs Get Wrong About Wire Sizing | 2017-09-18 | 19mm Momentary Push Button
Eh, boneheads frying themselves or setting their houses on fire because of DIY approach to mains wiring are hardly something new that can be blamed on the “maker movement”. I can see the benefit of inspection, I guess (that none of your wires popped off or something?). My comment on the relays wa...Read more -
This robot uses AI to find Waldo, thereby ruining Where’s Waldo | Lrd12 Overload Relay
Sometimes you’ll get a zap across your hand, maybe even a horrible burn. But I like those odds compared to you touched live and it routed current through your heart! I certain the Residual Current Circuit Breaker is what GFCI is in North America. Not expensive at all for the units that will fit i...Read more -
2018 Kia Niro PHEV Review â A Spreadsheet Nerdâs Dream | 19mm Momentary Push Button
There is no mention of what powers the module here, and I suspect it is a regular 5V, isolated SMPS. @RobHeffo suggests transformerless power supply, but that is not a good idea, for the current drawn by the ESP the capacitor will be too big. There are alternatives, like this guy, LNK306 : http:/...Read more -
Marshall Headphones’ Bluetooth speakers are getting an Alexa update | Circuit Breaker Parts
80%? When dealing with high current loads I top at 70% to allow for wobble of line voltage. For something like a Water heater I’d drop that to 50% ratings to make sure the surge doesn’t cause failure. That’s how you may get some serious, even life-threatening, internal RF burns without noticing a...Read more
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