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I need help! I have a html page. I want to put a button on there that sends this: http://192.168.1.21/?r=0&g=0&b=0

I just don't want it to accually go to that page but only 'post' the data and stay on the same page.

I read something about doing it with ajax but i am unknown with ajax aswell as javascript and php.

Can anyone make me an example?
(I need 6 of those buttons on one page)
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Fredrik Wiberg's profile photoMano Biletsky (Open MAKER)'s profile photo
6 comments
 
I will try to do it myself, but if i can't manage it myself i will contact you.
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Aaron Maurer

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Students Need The Truth! http://wp.me/p4covo-1B3 
This is a request. A major game changing request. One that I think will not only challenge some of you to actually speak up, but one that will allow honesty and
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Vinay Shenoy

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Hey guys, Need a help. Iam working on a mini project. How can I control the direction of a small 5ft Meteorological/weather balloon? . The problem is that , the load bearing capacity of this kind of airborne balloon is very less of about 500gms. I have to equip the electronics which are about 400gms or so.Do I need to add propellers? If yes, what sort of ? I'm not in a position to sort this neither I am able to use a larger balloon.

Also let me know different ways of controlling an airborne balloon in terms of direction. Please help me folks asap!
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John Shovic

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How to mount, measure and test an I2C Compass on your Raspberry Pi / Arduino Project. Positioning and isolation.
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Jerry Ellsworth

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Hoping someone can give me advice. I bought a few of these BLE chips thinking they would have breadboard holes I could solder headers to:
http://www.amazon.com/gp/product/B00O2TTUEW?psc=1&redirect=true&ref_=oh_aui_detailpage_o01_s00

Instead there are tiny, indented contact points on the side of the board that I have no idea how to deal with. The spacing is much closer than a breadboard as well.

Any suggestions? Thanks!
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Matt Smith's profile photoJerry Ellsworth's profile photo
5 comments
 
Thanks Liam. That sounds like a great trick, although I think I need more skill (or practice) to pull it off. I think I trashed my first chip in the effort. Luckily they were cheap :-)

Matt, that pic helps a lot. I'll try that with my next one.
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John Shovic

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This part of our tutorial talks about displaying the ESP8266 IoT data on the IBM Bluemix IoT Real-Time Insights with the LightSwarm data.
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John Shovic

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This tutorial shows how to get the credentials for your ESP8266 IOT application for authenticating to the IBM Blumix IOT platform.
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John Shovic

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Secrets of the #solarpower SunAirPlus Board.  Part Deux.  *Charge your #iPhone / #android.*  Two additional 12 bit Analog to Digital Channels Available.  http://www.switchdoc.com/2015/11/more-secrets-of-the-solar-powered-sunairplus-controller-application-notes/
Want to Solar Power your project? Secrets? What could be Secret about SunAirPlus? OK, well not really secrets. What we are talking about here are four ways of using the SunAirPlus that aren’t completely documented in the specification. Buy it here! Part 1 of …
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Monte Viarss's profile photofred mhina's profile photo
 
I was going to try and make a geothermal battery for collecting the extra solar energy the current versions don't have. I have an idea for using the same technology used for pool plumbing. I would of course need a material based collection application, that would be able to consistently contain the heat payload without failing. I would use Molten Salt as the thermal conduct materials, and graphene, a material similar to fiber in cigarette filters for storage and containment. Drawing extra thermal and solar power like suction in a pool filter, then returned in to something like a generator when needed. I just wanted to throw it out there, and see if the project is practical and possible. How would I be able to calculate payload limits and a material for storage? lines in a pool to the filter
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ServoCity

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The first episode in our Control Issue Series providing you with tips on how to control your robot. This week Kyle and Jason discuss controlling your robot with an RC transmitter and receiver.
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John Shovic

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This is a tutorial for Grove Connector Projects. Three simple projects are described for the Raspberry Pi and Arduino with pictures and software.
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Vinay Shenoy

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Hey guys! I am planning to do a hobbyist diy open source project this month. Can anyone help me in finding the best one. My areas of interest are embedded systems, bionics, wireless communication. I wish to do any project that has real world application with tremendous human benefits. Waiting for any early reply.
Please let me know asap!
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Kevin Chen's profile photoVinay Shenoy's profile photo
2 comments
 
Thanks +Kevin Chen​
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John Shovic

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SwitchDoc Labs has now made the cover three times in Raspberry Pi Geek Magazine. MouseAir, the I2C Mux and wind power on Project Curacao.
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Wilson da Fonseca's profile photo
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John Shovic

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This series of articles discusses the use of XML for the Raspberry Pi. In part 3 we see how XML is used as a client/server application.
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John Shovic

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This series of articles will discuss the use of XML on applications for the Raspberry Pi. Part One covers the format of the data structures.
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Zi Org's profile photo
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John Shovic

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We discuss the IBM Bluemix platform and show the source code for connecting an ESP8266 in the Arduino IDE to the IBM service.
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John Shovic

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In this ESP8266 Tutorial, we learn how to connect to the IBM backend for the Internet of Things, the IOT Bluemix.
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John Shovic

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#esp8266 #IOT Tutorial - Using the AT Command Set - Not a happy experience.  http://www.switchdoc.com/2015/11/iot-esp8266-tutorial-at-command-set-firmware/
This is a tutorial for adding the AT Command set firmware to your ESP8266 and using it. Our conclusion is it does not work well. It locks up easily.
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