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viru409 on ThingSpeak Communication Library for Arduino
I am trying to read A0 data from Ethernet with UNO using sample code provided by you. I wrote the correct API and Channel ID but at terminal I m getting the following and unable to connect to...
View Articlejvasudev on how to read the Digital Pin
You can directly send the states "NO" and "NC" to the ThingSpeak channel field as they are. ThingSpeak fields accept non-numeric entries too, however you may see that the field visualization does not...
View ArticleOscarb on Channel not updating
Arduino Uno and wifi shield sending temp and humidity data to thingspeak channel which is not updating. According to serial, everything is connected correctly. Occasionally (minimum 6 hours) one data...
View Articleprabhu702 on Implementing AES in Arduino
Hi , I would like to implement AES algorithm in C language on Arduino and I want to see the performance of the Arduino board in thingspeak website by means of time and speed. Let me know the code and...
View ArticleSolarEst on No data on graph
Hello, I'm trying to monitor my solar system usage with arduino, i can see that thingspeak is getting data by number on enteries, but there are no dots on graphs? What might be wrong, here is the...
View Articlevksgaikwad3 on Unable to update more than 4 fields of data on ThinkSpeak with...
Hi Folks, I have connected SIM900A module with Arduino MEGA and sending some Temperature and other data to my Think Speak Channels, but I am facing problem when I was trying to send data to all 8...
View Articleshubham_ingle on Can't upload serially recieved data to thingspeak
hello guys...! I'm trying to upload the serially received data from aurdino to esp8266 and display it on thingspeak. Data is available on serially(COM port) but not uploading to thingspeak would you...
View Articlerw950431 on Can't upload serially recieved data to thingspeak
Are you sure you are reading valid values from the serial port? I wonder if you are sending blanks. What happens if you add a 3rd constant value in your read loop to make sure you are sending at least...
View ArticleJasonW on Unable to update more than 4 fields of data on ThinkSpeak with...
There is no limitation on the api.thingspeak.com side to updating all 8 fields at once. I don't have a SIM900A module to test with, but I was just able to test updating all 8 fields with a Mega and...
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 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 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...
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David Guo on Dragino LoRa IoT Kit Downstream: Get data from IoT Server and...
In this project,we will show how to use the Dragino LoRa Kit to get data from the ThingSpeak and send to LoRa node. Hardware preparation LoRa Gateway -- LG01-P LoRa Node -- LoRa Shield+Arduino Uno...
View Articlemohamedali1993 on Strings in Arduino IDE
Hello, From what I am seeing in the online documentation, we can write integers in the Arduino IDE using ThingSpeak.setField then ThingsSpeak.writeFields(), but can we write strings? Can we send data...
View ArticleRob Purser on Strings in Arduino IDE
Hi Mo, Yes -- both setField and writeField accept both const char * and arduino String types. See line 585 in ThingSpeak.h to see an example function signature. ThingSpeak won't plot them (obviously),...
View Articlemohamedali1993 on Strings in Arduino IDE
Hey Rob, Thank you for your response. I am now able to send strings and read it in Matlab using timetable output format in the thingSpeakRead function, but I am unable to view the same data table in...
View Articlepaluigi on error for Arduino 101
Hello, I am trying to compile the sketch on Arduino 101, but I get an error: `Arduino: 1.6.10 (Mac OS X), Board: "Arduino/Genuino 101" WARNING: library ThingSpeak claims to run on [avr architecture(s)...
View ArticleJasonW on error for Arduino 101
The error message you are getting is a general one. It shows up when trying to compile for a device that the library hasn't specifically been configured and tested for. The Arduino 101 is fairly new...
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