China's first article on Janos IoT operating system-how to make your phone motherboard into an IoT platform

Source: Internet
Author: User

Heaven Zhuhai Branch Rudder note : If no accident, you are now watching will be the first domestic and is the only one to introduce the hottest internet of things operating system JanOS article! Don't believe you go to Baidu! I hope we can enjoy it. But this article is just an introduction, more information please visit JanOS 's official website : http://janos.io/

JanOS

Turn your phone into an IoT platform instantly

Janos is an operating system designed to run on your phone chip. It can run without a screen, allowing you to access all the features of your phone, from phone to camera, through today's ASB JavaScript API.

You asked me what I was doing?

There is a big problem with the current hot IoT Solution development version: One word "expensive!" (Heaven Zhuhai Branch rudder Note: Do not with me count punctuation oh), two words "very expensive!", three words "very expensive!" ", four words" a catty cut cake! ", five words" a tea egg! ". You see, like Raspberry Pi and Arduino these just offer a limited set of features and simple extensions such as GSM shield and so on can sell to 80 American knives. For the "10 Jin Cut Cake" You may not be anything, but for us only 10 of the wealth value of ice cream is not the same, because compared to a full function of the smartphone only sell a 30 U.S. knife, the price can die a person. So why not turn your smartphone motherboard, which is worth a few ice cream, into an IoT platform for embedded project development? A few ice cream can be changed to a powerful function, why not?

Getting Started Guide

    1. Start with a smartphone based on our list of supported devices and spend a few ice cream prices.
    2. Get a ready-to-Janos version, or build your own Janos version
    3. Clone our app template and write your first program
    4. Run the command make reset-phone to update your device
    5. When the section is ready, unscrew your smartphone and disassemble the motherboard
    6. Whatever you're doing with your motherboard.
    7. Exclaim for your harvest in the process!
FAQ
    • can I put a sensor or led on it ? Most of the phones have some gpio pins that let you mount some extra electronic originals onto their motherboard, such as LED lights. We have previously published a blog post describing how to attach an led to the Geeksphone Keon Firefox phone and control it.
    • this stuff can run native code no ? You can use the Android ndk/toolchain to compile any binary code for the ARM architecture for the motherboard, and you can invoke the binary code using the Mozos.exec API. Please click to view examples.
    • brother, does this thing save electricity ? It depends on how you use your phone. In general, the idle 2G network consumes approximately 5-10ma per hour of power. You can try using an electronic USB ammeter to check the power consumption. For more information, see here.
    • does this guy want a battery ? Demon! Have you ever seen a mobile phone that can run most applications (boot, wifi network detection, etc.) without a battery? Of course the battery. Is it not easy to pick up a battery? It's not easy to weld a battery behind a few of your ice cream motherboards.
    • introduce a debugger with a chant ? Use Webide, which is part of the Firefox development tool, designed to connect your device for debugging.
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China's first article on Janos IoT operating system-how to make your phone motherboard into an IoT platform

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