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February 5, 2018
News - Enginursday: How to Devel…
about 3 months ago
I imagine that, once connected by USB and SSH, RPi Zero is just like an additional peripheral, or maybe I should say it's like the RPi has a full screen(withGPU) and keyboard, even if airgapped before connecting to micro:bit. One thing MakeCode kind of impressed upon me is that for general programming, the specific hardware, or OS, is becoming less important than a good 'net connection. I think it can even be done on an Android phone.
about 5 months ago
You can receive transmissions without a license. I also want to respond to TheseusRex: All of FCC Enforcement Bureau Special Counsel Laura Smith’s warning notices concluded with the advisory: Fines normally range from $7,500 to $10,000. So, I'm not so sure it's "guaranteed ten grand", and several warning from official operators and Special Counsel will proceed any legal action. Why do ham operators seem to be so fond of "mansplaining" their hobby?
As I understand it, a license is not needed when strictly receiving transmissions. Also, members of the Amateur Auxiliary (Official Observers) will give three or more warnings before contacting officials, who will send warnings of their own before pursuing legal actions. Basically anyone who inadvertently starts transmitting without a license does not have to worry about the Ham Police breaking down their doors! Not to mention, an item that starts at $1400 before other necessary equipment is unlikely not to know what they're getting into. One thing that's kept me away from Ham radio is that I have come across members that are quite patronizing. There seems to be a nerd snob factor in the community.
Tutorial - micro:bot Kit Experiment Guide
about a year ago
I don't think so, that might be a fun project, though. ;) I'm sure there's plenty of potential cross pollination with Adafruit projects and CircuitPython, and I assume projects coming from Great Britain and the BBC. I, for one, am going to look around, or, if short on time, buy a RedBot board, which is, after all, what I would expect SparkFun to concentrate their efforts on. They are not really a software company, after all, and it would be a bit counterproductive to work on micro:bit while they are distributing RedBot kits.
about a year ago
Are you reviewing the "Arduino Industrial 101?" what did you think "industrial" meant.
No. I had reservations about the Arduino 101 (A project of Intel as much as Arduino with a x86 Quark chip) Definitely don't mess with the "industrial version."
Yun has a linux System-on-a-chip microprocessor. It is a complete sub-microcomputer. (maybe they'll start calling them picocomputers?) Other Arduinos are based on microcontrollers. You cannot run linux on an Arduino Uno, for example. (nor would you want to). If you want to attempt projects like home video servers or video game emulation; projects that require very little knowledge of electronics, where you can solve more problems with software, I'd go with the Raspberry Pi. If you want to learn about circuits and sensors, and electronics in general, you want to go with Arduino. Both of them are good for learning programming, but RPi more for something like web scripting, or interfacing with PC and small networks. Arduino is for programming appliances, robots, etc. The Holy Grail is combining the two in the Internet of Things, and Arduino 101 is an example of one failure to do that Yun (and imitations) is also a combo attempt, I'd say if you were already invested in Arduino, and were familiar with Arduino "Hats," Yun would be the way to go, and quite reasonably priced as far as what it is capable of doing.
about a year ago
The thread actually confuses the issue more than it clarifies. You're quote, and the rest of the thread specifically addresses the Arduino 101. The representative doesn't address this part of the question "tinyTile descriptions says it's possible, but in schematics there is no charging circuitry connection even after moving resistor R15 to R17 as advised". So... it's still possible? Also, the boards are perhaps designed to train students, and encourage professionals to use x86 embedded. When you say, "likely to be used," I think you're talking about hobbyists, or students who wish their projects stand up to more than one or two demonstration uses, or even none, as long as it gets a decent grade. Raspberry Pi's are generally better for this, and while perhaps not very robust, their price makes them more replaceable. I think Intel may be short sighted- but it wasn't too long ago that single board computers were strictly for developers, not hobbyists, and their price tag reflected this.
about a year ago
Before "Open Source" was a thing, "Open" meant: vendor-neutral technology standards and certifications. As in work done by the Open Group, which certifies Unix, etc. etc. with a membership of over 500 companies. I don't think the original poster went to back to edit his comment; but as it is now, he uses the phrase "VERY proprietary." There is a large spectrum between suing every possible threat for possible trademark infringement, and CopyLeft, which theoretically should be as legally enforceable as Copyright, but in reverse. Actually Open Source groups recognized the subtleties when they rejected Gnu Free Software restrictions and accepted MIT licenses and BSD licenses, etc. I'm still grateful for "Free Software" zealots, as they fight for things like non-proprietary boot firmware, which RPi unfortunately has, as almost every PC. I'd like to see Libre Computer Boards at Sparkfun. I hope they catch on.
about a year ago
from the Knows Enough To Be Dangerous on Pi-Top OS file: "During that I noticed that there were several junk files and folders in my homedir owned by root. sudo rm and everyone is happy again. At that point my battery indicator didn't work any more. Run pt-battery manually and it spits out a bunch of crazy errors. Took me a while but it turns out that /dev/i2c-1/??? went missing on the last reboot so we can't talk to the battery. My best guess is that one of these scripts put incorrectly in the user homedir was critical to setting up the i2c bus so we could communicate over it." <end quote> ---"Incorrect" or not, root users should never assume that any strange files in a new installation are "junk". The above quote was from someone who rated the Pi-Top one star. The link to his own blog post is a deadlink, so it took some extra searching, and this was the only useful info I got from the rant. Remember, this is a KIT for learning electronics and (specifically for kids) coding/programming. For linux experts, try hacking Rasperrian OS, or you are welcome to buy a Chromebook and violate the warranty by hardware hacking, if that is what you are REALLY looking for (don't expect Chrome OS/Chromium to be hacker friendly) Also, consider building your own Pi laptop from scratch instead of buying an educational project -then everyone is happy again.
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