January 25, 2016
Hello, I am new to thingspeak.
I used to use Xively, and I did not have any problem pushing feeds online. I uploaded Uno firmata to arduino, and used grasshopper; ghowl and firefly.
On thingspeak, I can't push feeds online. What I am trying to do is a simple test of sending photocell data to thingspeak, collected from arduino uno Rs3 which is connected by usb cable to my laptop.
Any help is much appreciated !
August 10, 2015
Where are you getting stuck? I assume you're able to get the data from the Arduino to your laptop since that was working with your Xively setup. I'm not familiar with grasshopper, ghowl, and firefly but a quick google search indicates that gHowl is quite extensible. If this is what you're using, you need this set of apps to push your data to ThingSpeak. ThingSpeak has a restful API you can call to do this. So presumably you can extend gHowl (or grasshpper/firely) to make internet calls that include the calls to the ThingSpeak API.
Alternatively, you could write an app in any language to read from the serial port and post to ThingSpeak.
Need a little more detail about where you are stuck to be more helpful....
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