wizbrewery on getting channel values from api
Hi, Id like a Linux box to get the last posted value of my channel on demand. I understand I can get a range of values from here from api eg...
View Articlerw950431 on getting channel values from api
http://api.thingspeak.com/channels/9/feeds.csv?results=1 For variants see https://au.mathworks.com/help/thingspeak/get-a-channel-feed.html
View ArticleGeert on aquaponics sensor, send to thingspeak, what is wrong?
Dear all, I try to post my arduino uno sensor results to thingspeak, and I try differnt options, and cannot figure it out. Any help possible? I might give up on thingspeak. Geert sketch : /* a...
View ArticleVinod on aquaponics sensor, send to thingspeak, what is wrong?
Geert, Have you tried going through the tutorial here: http://community.thingspeak.com/tutorials/arduino/send-data-to-thingspeak-with-arduino/ I would recommend starting with one of the simpler...
View Articleitsme_raju2002 on Update Channel with current Date & Time
I update data with local time (My time zone is +05:30 i.e. India) by using ".......&created_at=2016-12-05T14:30:00" and my local time is the same. And when it updating in Graph it is sowing...
View ArticleGeert on aquaponics sensor, send to thingspeak, what is wrong?
For my setup, an arduino UNO with ESP, these sketches don't compile. I tried that for a long time, without success, without getting any further. Moreover, it seems nobody with arduino uno and wifi...
View Articleweisoft on Reading complete channel feeds via software
Hi Lee, I want to know, how I can download a complete channel feed via software, I think, with a GET command. Best regards Andy
View ArticleEdwin on how measure several 18D20 on ESP8266
If you are using the ESP8266 you only have a limited number of pins. Still possible to connect several DS18B20 probes as well as other sensors. Have a look here.
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turti on ThingSpeak doesn´t shows all data in chart
Hello there, since may 2016 I am logging some dato to ThingSpeak with my ESP8266. Since yesterday I logged 66935 times. I could see all these data in a chart in my browser when I also send the feed...
View ArticleVinod on ThingSpeak doesn´t shows all data in chart
I suspect this is a consequence of the length of the file and perhaps multiple simultaneous attempts to upload the data. Could you try this: 1) Take your file and break it up into multiple files, each...
View Articlerw950431 on Update Channel with current Date & Time
Perhaps try "&created_at=2016-12-05T14:30:00+05:30"
View Articlerw950431 on Reading complete channel feeds via software
You can read channel feed with https://api.thingspeak.com/channels/9/feeds.json?results=8000 Note that if you have more than 8000 points you will need to do multiple requests using the "start" and...
View Articlerw950431 on MQTT bridge
Holy smokes Batman! When did this happen? https://au.mathworks.com/help/thingspeak/mqtt-api.html Seems like its publish-only at this stage (no documented way to subscribe to a channel) but still a...
View ArticleGeert on aquaponics sensor, send to thingspeak, what is wrong?
PS, honestly, a tutorial explains things, not just gives a list of the sketches, more confusing than solving. Splitting the examples by architecture instead of having sketches existing mostly of...
View Articleitsme_raju2002 on Update Channel with current Date & Time
I have try with "&created_at=2016-12-05T14:30:00+05:30" but result is same.
View ArticleRob Purser on MQTT bridge
Sharp eyes -- we went live yesterday with this. And yes -- It's MQTT publish only at this point. All the best, -Rob
View ArticleVinod on Event listener
Both solutions are possible. In my opinion, from an architectural and implementation perspective, a React App->ThingHTTP App is more elegant and efficient solution.
View ArticleJoe_1 on MQTT bridge
Top job, sterling work, well done! Is there any documentation available RE MQTT publish performance / latency / limits etc for free accounts?
View ArticleVinod on MQTT bridge
Here's the documentation: https://www.mathworks.com/help/thingspeak/mqtt-api.html Users with free thingspeak accounts can only push data to a channel once every 15s. That holds true via the REST API...
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