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16CommentsJoined July 24th, 2014

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  • 600 Watt, 3d-printed, Halbach Array, Brushless DC Electric Motor

    Generator version:http://www.thingiverse.com/thing:1693579

    Generator version:http://www.thingiverse.com/thing:1693579

    Generator version:http://www.thingiverse.com/thing:1693579

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  • Installing a Garage Door Opener Wired to Motorcycle Hi-Beam

    This is a great write-up. I used it several months ago to build my own. I've been using it since then and it has worked great. One thing I did differently is to short the pushbutton switch and then momentarily power the circuit board. This eliminates the battery (which was a 12V battery in my Genie door opener remote). Here is my circuit completed circuit:

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  • instructaspark commented on AughtNaughtZero's instructable LED Weather Words Forecast9 months ago
    LED Weather Words Forecast

    I've got a website up and running to test the code over the next few weeks to see if I like the output (unfortunately I can't post a link here or I will go over my allowed API calls per day). I am mostly using Dark Sky Forecast for the data with a little bit of Weather Underground for special cases (like thunderstorms/flurries/blizzards).If it is currently precipitating, then I can display if it is "light" or "heavy" based on the variable "precipIntensity" and the rule of thumb that anything under 2mm/hr is light and over 10mm/hr is heavy.If it isn't precipitating, I can display if there is a "slight chance of" or a "chance of" precipitation based on the "precipProbablitiy" and the rule of thumb that anything over 0.5 is chanc...see more »I've got a website up and running to test the code over the next few weeks to see if I like the output (unfortunately I can't post a link here or I will go over my allowed API calls per day). I am mostly using Dark Sky Forecast for the data with a little bit of Weather Underground for special cases (like thunderstorms/flurries/blizzards).If it is currently precipitating, then I can display if it is "light" or "heavy" based on the variable "precipIntensity" and the rule of thumb that anything under 2mm/hr is light and over 10mm/hr is heavy.If it isn't precipitating, I can display if there is a "slight chance of" or a "chance of" precipitation based on the "precipProbablitiy" and the rule of thumb that anything over 0.5 is chance of and anything under is slight.I am hoping to deduce more situation using the definisitions found here:http://www.timeanddate.com/weather/glossary.htmlFor example, showers are defined as intermittent whereas rain is defined as for an extended duration. I could look at the probability and or intensity over the next few hours and if it is over a threshold for at least 3 hours, then it is rain instead of showers.Also, snow fall is referred to as flurries if there is no accumulation. Luckily, Dark Sky has a prediction on accumulation so I can check these and decide whether to call it snow or a flurry.The nice thing is I will always have info for the cloudiness regardless of what precipitation is occurring. This is something WU cannot do. If it tells you there are rain showers, you lose the ability to tell if the sky is partly/mostly cloudy.Similarly, with Dark Sky, if it is raining, you can also tell if it is foggy because of the "visibility" data. If less than 2km, it is classed as fog (though I may have to watch if the reduced visibility is due to heavy snow/rain). But the main point is that this is all possible.In the attached image, the various coloured words should be able to be mostly independent of each other so that the poster has the most words lit up to be as descriptive as possible.

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  • instructaspark commented on AughtNaughtZero's instructable LED Weather Words Forecast9 months ago
    LED Weather Words Forecast

    I got into it a bit deeper and found that I would have to make more than one API call to WeatherUnderground to get all the data I might need to figure out the conditions (I wanted more info like light/heavy precipitation and hail which isn't addressed using only the "forecast" API call). And since WU only allows 500 API calls per day and only 10 per minute, I might go over (I already did once while developing the code - you get 3 warnings before being banned).Due to this, I have started looking into The Dark Sky Forecast (https://developer.forecast.io/docs/v2#forecast_cal... which gives MUCH more information with just one API call. And allows 1000 calls per day before it costs money (that's 40 an hour). I'll keep you posted.

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  • instructaspark commented on AughtNaughtZero's instructable LED Weather Words Forecast9 months ago
    LED Weather Words Forecast

    I signed up for a Weather Underground account and began looking over the phrases they use in their responses (https://www.wunderground.com/weather/api/d/docs?d=...). Since I am making my display in Celsius, I don't need some of the variable (hundred, ninety, eighty, seventy, sixty, fifty). Since I have a few extra lines, I plan to add some phrases so they can match up to the responses from wunderground better. The nice thing about using the addressable RGB LEDS is that you could have the entire display colour change from red to blue depending on range of current temperatures. I think I like the classic white look, but the colour could go to red as a warning if there is a heat warning advisory or wind chill advisory (or tornado warnings if that is in your area).

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  • instructaspark commented on AughtNaughtZero's instructable LED Weather Words Forecast10 months ago
    LED Weather Words Forecast

    Very cool project... this has been added to my "Honey Do" list. I don't mind because I like complex projects like this which require programming and electronics as well as assembly of components to perform a real world task. I am from Canada so I'm working on modifying the words for Celsius temperatures. I am also planning to implement this with an Electric Imp instead of Raspberry Pi. Thanks for the inspiration!

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