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Building Your First Node-RED Flow: Basic Tutorial

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John Jardin Hacker Noon profile picture

@johnjardinJohn Jardin

https://www.youtube.com/bleedingcode

This post introduces a deep dive video tutorial where I teach you the fundamentals of Node-RED and at the same time, show you how to build a Weather Forecast Dashboard. To make the dashboard work, we’ll need to integrate with 3 online APIs that will provide the current weather forecast, a 5 day forecast, and information about the country connected to the town or city being searched.

This video tutorial shows you step by step, how we bring these APIs together in Node-RED, to produce a weather service in the form of a UI dashboard. Once you’ve completed this tutorial, you will have a good enough understanding of Node-RED, enough to be able to get up and running with your own flows.

NOTE: This is my first deep dive video and I would really appreciate honest feedback as to if this kind of content adds value and if yes, how can I better it for future videos to come.

NOTE: Also see below references to mentioned websites, online tools as well as GitHub resources for the Node-RED Weather Dashboard.

Read behind a paywall at https://johnjardin.medium.com/how-to-create-your-first-flow-in-node-red-4ceaeb2d296d

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Source: https://hackernoon.com/building-your-first-node-red-flow-basic-tutorial-fr1h34vk?source=rss

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Samsung hopes to ‘copy and paste’ the brain to 3D chip networks

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Samsung thinks it has a better way to develop brain-like chips: borrow existing brain structures. The tech firm has proposed a method that would “copy and paste” a brain’s neuron wiring map to 3D neuromorphic chips. The approach would rely on a nanoelectrode array that enters a large volumes of neurons to record both where the neurons connect and the strength of those connections. You could copy that data and ‘paste’ it to a 3D network of solid-state memory, whether it’s off-the-shelf flash storage or cutting-edge memory like resistive RAM.

Each memory unit would have a conductance that reflects the strength of each neuron connection in the map. The result would be an effective return to “reverse engineering the brain” like scientists originally wanted, Samsung said.

The move could serve as a ‘shortcut’ to artificial intelligence systems that behave like real brains, including the flexibility to learn new concepts and adapt to changing conditions. You might even see fully autonomous machines with true cognition, according to the researchers.

There’s a glaring problem with complexity, however. As a human brain has roughly 100 billion neurons with a thousand times more synaptic links, an ideal neuromorphic chip would need about 100 trillion memory units. That’s clearly a difficult challenge for any company, and that doesn’t include the code needed to make this virtual brain work. Samsung may have opened a door to human-like AI, but it could take a long time before anyone reaches that goal.

All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.

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Source: https://www.engadget.com/samsung-copy-and-paste-brain-neuromorphic-chips-185359994.html?src=rss

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Apple will fix bug preventing iPhone 13 owners from unlocking with Apple Watch

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Are you unable to unlock your brand new iPhone 13 with your Apple Watch? Don’t despair just yet. According to MacRumors, Apple has promised to fix a bug that prevents the unlock through an “upcoming software update.” You can turn off the feature in Settings and rely on passcodes until that solution is in place, Apple said, although it didn’t offer a timeframe for the patch.

The flaw typically tells users the iPhone is “unable to communicate” with the Apple Watch. Others can’t setup the unlock feature in the first place. As you might imagine, that’s a significant hassle if you’re wearing a face mask and can’t use Face ID to sign in.

You might not have to wait too long. While Apple only recently started testing an iOS 15.1 beta, the company has a long history of delivering small-but-quick updates that fix glaring bugs and security holes. While this certainly isn’t how Apple wanted the iPhone 13 launch to go, the issue isn’t likely to last.

All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.

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Source: https://www.engadget.com/apple-watch-iphone-13-unlock-bug-fix-174529852.html?src=rss

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Tesla drivers can now request Full Self Driving beta tests

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It took a long while, but Tesla is finally giving you some control over when (and if) you get Full Self Driving beta releases. The Washington Post noted that Tesla has begun rolling out an FSD beta request button that lets you try the autonomous (really, semi-autonomous) technology before its wider release. The automaker won’t just hand test code to anyone, though. Elon Musk noted that Tesla will “assess driving behavior” (like hard braking, aggressive turns or tailgating) for a week to reduce the chances of collisions.

The move could boost uptake for Full Self Driving betas and help Tesla refine the system for wider releases. The just-launched FSD 10.1 beta (mainly a bug fix) arrived too soon for that, but future software could be more polished or reach a general audience sooner.

Not everyone is thrilled with Tesla’s rapid Full Self Driving expansion, however. The National Transportation Safety Board’s new leader, Jennifer Homendy, recently joined other critics in accusing Tesla of “irresponsible” marketing for FSD technology that could lead to dangerous misuse. She also claimed Tesla was unresponsive to official recommendations for improvements. Beta requests may help Tesla achieve its goals sooner than before, but they won’t address broader concerns about FSD’s safety and whether or not customers should be testing semi-autonomous features on public roads.

All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.

PlatoAi. Web3 Reimagined. Data Intelligence Amplified.
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Source: https://www.engadget.com/tesla-full-self-driving-beta-request-button-170642977.html?src=rss

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Docker Images: Name Vs. Tag Vs. Digest

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A docker image usually has 3 parts: name, tag, and digest. Images can be pulled using name, or name:tag or [email protected]:digest. Some images are multi-architecture images. In such cases, docker automatically pulls the appropriate image for the os/arch the pull command is run on. Use docker manifest inspect –verbose to view os/arch’s of an image and to get the digest. Avoid using the latest tag in a product environment since it makes rollbacks hard.
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Source: https://hackernoon.com/docker-images-name-vs-tag-vs-digest?source=rss

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