Internet Meter: an introduction to the Arduino Ethernet Shield

The possibilities are endless with an Internet Meter. Feel free to share your ideas in the comments below. The source code can be found here:

http://github.com/mrichardson23/?Arduino-Internet-Meter

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Technorati Tags: analogWrite, arduino, code, coding, connectivity, Data, development, DIY, electronics, Ethernet Shield, gauge, Google Reader, hardware, IMAP, Internet Meter, made, make, maker, Matt Makes, Matt Richardson, needle, network, panel meter, php, physical computing, programming, project, pulse width modulation, PWM, software, stocks, Technology, The Internet of Things, weather, web server

23 thoughts on “Internet Meter: an introduction to the Arduino Ethernet Shield

  1. How fast is this …
    How fast is this device on average?
    Could be possible to download a midi file from a specific server and save it to an SD card? is it too slow for this task?

  2. zunayed001 ( meter …
    zunayed001 ( meter bridge ) a standard 1-ma meter will have a standard internal resistance — you simple do a resistor bridge with the various values so that the voltage across the resistor between the meter leads has a correct portion of the current — you have to do the math so that the meter does not get burnt

  3. Thanks for the …
    Thanks for the ideas of how to use the Arduino with the ethernet shield – I just ordered one myself 🙂

  4. what about the …
    what about the number of unmoderated comments in wordpress, notifications on facebook, new videos in youtube subscriptions ?

  5. can u make ur own …
    can u make ur own phone? built in tv, 20MP camera, wifi, very nice speakers, touch screen, massager, sofa, bed, water, food, and everyyything else. U’re just so genius. *__*

  6. Go to your address …
    Go to your address bar, after the word YOU and before the word TUBE, type in “win” then press enter

  7. I have no idea what …
    I have no idea what you are talking about but I really like listening to you!

  8. @zunayed001
    Simple …

    @zunayed001
    Simple Ohm’s Law: I = E/R
    You want 1 milliamp, maximum. The arduino’s maximum output will slightly less than 5v. Thus, you’d want slightly less than 5,000 ohms. 4.7K is a standard value, and works nicely. You could get fancy and use a 5K trimpot, to calibrate your meter to full scale when the Arduino is outputting a 255 on the PWM line.

  9. I wonder, could you …
    I wonder, could you put an LCD panel behind the meter and use that as the display of scale, then also rotate between various meters every few seconds while also alternating the LCD accordingly? I suppose you’d also want to paint the needle another color so that it would contrast better against the LCD.

    Does this make it a “multi-meter”?

  10. Great demo! I’m …
    Great demo! I’m going to try and use it with seven segment display to show the count, and maybe also try to cycle through different things i.e. google reader count, email count etc…
    will link when I complete it! but first, time to order the ethernet shield

  11. Thanks a lot!
    Most …

    Thanks a lot!
    Most importantly though, thanks for suggesting what to do if I doesn’t work as expected.

  12. @dancevideo2 I’d …
    @dancevideo2 I’d love to extend the project so that it has swappable backplates so that you can easily change the different scales you use.

  13. Very nice! I was …
    Very nice! I was expecting to see a customized backplate for the meter, though, labelled “1 message”, “2 messages”, … (or maybe on a log scale?)

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