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I am trying to make 2 motes connect via a border-router, using the contiki 3 examples. I compiled er-example-client but it does not fit on my Crossbow TelosB mote. It comes up with error message:
er-example-server.sky section '.text' will not fit in region 'rom'
I am using Instant Contiki, which has msp430-gcc v4.7. The same seems to happen in Cooja as well, using Sky motes.
The application doesn't fit the Sky/TelosB ROM. Using the msp430-4.7.x provides a nice size reduction, but doesn't seem to benefit the Sky. Try disabling some of the resources enabled by default, for example compiling only with the hello test yields:
msp430-size er-example-server.sky
text data bss dec hex filename
48669 278 8646 57593 e0f9 er-example-server.sky
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I want to create a system to control a led stripe with an esp8266, it would be easy if I had a socket for the power supply,
but it has to be mobile so I need a akku for it
Could you guys please give me some tips for my idea :)
You could go for a development board that has the ESP as well as the battery integrated already, like the Adafruit Feather HUZZAH with ESP8266 WiFi. They also sell the compatible LiPo batteries with it.
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Why Atom uses more memory and takes more time to start as compare to sublime text editor ?
From Atom's FAQ (Hint: Try searching before asking):
Atom isn't designed to be a tiny native-code editor. If the ultimate in speed is what you're after, Atom probably isn't what you're looking for at least for now ... and possibly not ever depending on what you're expecting.
Atom is an Electron application.
Electron uses Chromium source as base.
Chrome/Chromium are known to be memory hogs.
Why then would anyone use it?
Well, the homepage states it on its headline:
A hackable text editor
for the 21st Century
Some of us like the idea of hacking every aspect of our work environment using common tools as javascript or CSS.
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Closed 8 years ago.
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In a development environment, running rails s is a bit slow. I thought of moving my project files to the SSD. People say that we should not do too many writes and reads to an SSD. Will this damage the drive?
Practically, no.
People say that we should not do too many writes and reads to an SSD.
These people are probably referring to doing orders of magnitude more disk I/O than starting a rails app does.
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Is there any way to know current battery level of connected iOS device from command line.
Thanks in advance..
Check out libimobiledevice.
It is mainly targeted for linux systems but you can get it to compile for OS X as well if you want to although it is a bit complicated.
I am also in the process of writing an Objective C wrapper around the libraries and you can find some more info here: https://github.com/liamnichols/CocoaMobileDevice but be warned, its a WIP atm. I'm not even sure if it will run on other machines as there might be some hardcoded dependancies that need fixing.
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For example, how does Windows know that a device on the network is a wireless printer? What are the standards being used?
Are there generic protocols an application can use to submit print jobs to a such a printer if there is no available printer driver?
Internet Printing Protocol - http://en.wikipedia.org/wiki/Internet_Printing_Protocol
HP ePrint and Apple AirPrint appear to be protocols for driverless printing but I'm not fully clear on these.