People often fail to understand why the Arduino is so fucking popular. It is NOT because it has the most powerful processor. It is NOT because it has the most pins. It is NOT because it is the easiest to develop for. It is NOT because it is the most standardized.
This.
Just yesterday I had an 'argument' with a guy over how Arduino is dead because such-and-such a chip is way more powerful than AVR (AVR=the chips in Arduinos), how it has hundreds of MegaHertz and Megabytes and all that stuff.
I simply don't care! I don't need a board that has 512Mb of RAM and runs Linux just to light up a few LEDs (even with a motion sensor!). I need something that works well enough, can drive a LED directly from an I/O pin (5V outputs, tada!) and has a huge online community with thousands of web pages/blogs/forums to browse, plus source code to download.
PS: Can you build your own dime-sized clone of that fancy ARM board for $1.50? I can do it with Arduino... (ATtiny85)
These rules are stupid and were based on the fear of the unknown instead of actual studies and evidence.
The "unknown" is precisely what the rules are in place for. You can't expect cabin attendants to know every possible electronic gadget, what it can do and what might be connected to it via that wire leading to your pocket. The only sensible policy in this situation is to switch off all electronic items during critical phases of the flight. Either that or confiscate all electronic items at the boarding gate.
OTOH, how strong is it? Graphene is supposed to be tough stuff. If it could be used to trap hydrogen and keep it from burning it might be very useful (eg. replace all water-ships with airships).
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He is getting about a 120% 386.
Still a cool thing. I am tempted to get it :)
Sooooo....approximately a 25MHz 486SX then?
But not on something the speed of a 25MHz 486SX, right...?
Does anybody want to play Doom like it was 1993?
1993? It can't manage a 66MHz 486DX2....
Hey, it's more innovative than "1-click"...at least we're heading in the right direction!
All that applies a dozen times over with Arduino chips.
You can build an Arduino I/O device with 5mA power consumption for about $1.50 (with USB).
And it'll be far more electrically robust than a Raspberry Pi.
Good point, you can use a rapberry pi for that board.
Or use an Arduino chip which is dime-sized, has 1% of the power consumption of a Pi and costs 5% of the price.
(eg. a Tiny85 )
Did they wink while they made the offer?
Asking to "buy" an iPhone is the 2013 equivalent of asking strangers for the time while openly displaying your own wristwatch.
Not everybody who uses an iPhone chose an iPhone. What should somebody who received an iPhone as a gift do?
Sell it on eBay?
That's fine if one's phone is a smartphone running Android. A lot of people especially in the Americas and western Europe carry an iPhone
You're probably not in Apple's target demographic if you enjoy attaching mint tins to your telephone.
People often fail to understand why the Arduino is so fucking popular. It is NOT because it has the most powerful processor. It is NOT because it has the most pins. It is NOT because it is the easiest to develop for. It is NOT because it is the most standardized.
This.
Just yesterday I had an 'argument' with a guy over how Arduino is dead because such-and-such a chip is way more powerful than AVR (AVR=the chips in Arduinos), how it has hundreds of MegaHertz and Megabytes and all that stuff.
I simply don't care! I don't need a board that has 512Mb of RAM and runs Linux just to light up a few LEDs (even with a motion sensor!). I need something that works well enough, can drive a LED directly from an I/O pin (5V outputs, tada!) and has a huge online community with thousands of web pages/blogs/forums to browse, plus source code to download.
PS: Can you build your own dime-sized clone of that fancy ARM board for $1.50? I can do it with Arduino... (ATtiny85)
an Arduino plus an Ethernet shield (around $60).
You can get it for a lot less than $60 of you don't buy official Arduino hardware.
eg. A $6 Arduino clone: http://www.ebay.com/sch/i.html?_nkw=arduino+pro+mini plus a $12 W5100 module: http://www.ebay.com/itm/111025516885
(or use a $4 Ethernet module if you don't need the official Arduino Ethernet library: http://www.ebay.com/sch/i.html?_nkw=arduino+ENC28J60 )
if you can overcome the IO problem
You can build an Arduino USB I/O controller for about $1.25 with a Tiny85 plus a copy of v-usb
You can get Arduinos for about $6: http://www.ebay.com/sch/i.html?_nkw=arduino+pro+mini
Or build your own for the price of a chip plus veroboard. Or don't bother with the veroboard, just use the chip.
but the thing is, quite easily these solutions start costing more than a raspberry pi costs
You can make one of those with an Tiny85 and a copy of v-usb.
Total cost: $1.25 for the chip plus some perfboard and wire.
If you need more I/O pins, step up to a Tiny84 or even a Mega328 (if you can afford a $3 chip!)
Do they have the iPad radio transmitters enabled in the cockpit? Thought not.
There's a difference between a trained pilot with a properly configured device and a brat trying to get on Facebook during takeoff.
It's more impressive when you do it the other way around: http://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Aerogelbrick.jpg/568px-Aerogelbrick.jpg
These rules are stupid and were based on the fear of the unknown instead of actual studies and evidence.
The "unknown" is precisely what the rules are in place for. You can't expect cabin attendants to know every possible electronic gadget, what it can do and what might be connected to it via that wire leading to your pocket. The only sensible policy in this situation is to switch off all electronic items during critical phases of the flight. Either that or confiscate all electronic items at the boarding gate.
At 10,000 feet you get a minute or so to solve any problems.
In a car you only get about a second.
If the density's lower than that of helium, why isn't it floating away
Bad journalism ...
being repeated verbatim by an idiot slashdot submitters
then not being deleted by idiot slashdot editors
then being voted up in the firehose by equally stupid readers.
On a "tech" site, with three separate links in the editorial chain, you'd think that it would have been spotted, but nooooooo.
I suspect you're right.
OTOH, how strong is it? Graphene is supposed to be tough stuff. If it could be used to trap hydrogen and keep it from burning it might be very useful (eg. replace all water-ships with airships).
A big use for rare-earth metals is making magnets for generators (eg. wind turbines).
If you are swerving around the road and the cop notices, it's pretty easy to see that you are driving distracted/recklessly.
A good way to prevent this would be to get drivers to wear head-mounted video recording devices.
I think the best solution would be for Google to add a "lockout" feature,
Why? If the glasses are recording everything that happens on the road then it will be much easier to start taking people's licenses away.
Most people would drive a lot better if they thought they were being recorded.
Plus it's quite hard to run into other things up in the sky.
A slip that could cause a multiple pileup on a road would mostly just need a course correction in an aircraft.
Don't worry, Google's driverless car is almost ready...
How about a law to require them to put "opinion" in the corner of the screen when they're just spouting crap.