hickse on Not all DS18B20 sensors present on ThingSpeak
I got the WriteMultipleVoltages sketch to produce 8 fields so it has something to do with the digital reads..... Damn. DS18B20's are more accurate than TMS36s.
View Articlerw950431 on Not all DS18B20 sensors present on ThingSpeak
Thats weird.. maybe its a memory corruption problem or something with the Thingspeak arduino client. Or maybe the total length of the data being sent exceeds some preset limit and gets chopped off. Is...
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jpsabo on Arduino Mega with yun shield
I believe you just need to remove these: #include WiFi.begin(ssid, pass); I use a Yun Shield on a Mega2560 as well. The Yun Shield connects to my local network and then sends results either to...
View ArticleHydroponicsMAC on Multiple 1 Wire Bus on Digital Pin ....
Here's the code I'm using which is doing something similar. #include "ThingSpeak.h" unsigned long myChannelNumber = 123456789; const char * myWriteAPIKey = "ABCDEFGHIJK"; #include <SPI.h>...
View ArticleElsyKhong on Not all DS18B20 sensors present on ThingSpeak
Hi..i am a new user here. By profession i am a hardware design engineer. As per my knowledge you shouls try the setting DWHTempIn to a fixed value and testing if that updates correctly. Are you sure...
View Articleaelizondo on GSM Shield updates only once
Hi, I am using an Arduino Mega and a GSM Shield (M10 modem) to send data to ThingSpeak. I found some examples that show how to send one or more parameters after a given time period that work well, as...
View Articlepramod on GSM Shield updates only once
aelizondo said Hi, I am using an Arduino Mega and a GSM Shield (M10 modem) to send data to ThingSpeak. I found some examples that show how to send one or more parameters after a given time period that...
View ArticleVinod on GSM Shield updates only once
Can you test connectivity from your GSM shield? Are you sure the GSM shield is not going into some sort of hibernate mode? Before you send data to thingspeak, can you program your device to ping...
View Articlepramod on GSM Shield updates only once
This is my code which is copied from " GSM-ParticulateSensor" example void thingspeakPost() { char itoaBuffer[8]; char end_c[2]; end_c[0] = 0x1a; end_c[1] = '\0'; // PM25 int to char char...
View ArticleVinod on GSM Shield updates only once
It appears that your code has some debugging statements it prints to the serial port. You should be able to program your arduino and monitor the output on the serial port to look at the messages are...
View Articleoded on thingspeak ThingSpeak.readIntField(,,) on arduino with esp8266 unstable
hi all. i try to read last values of 3 field set of thhingspeak channel. like that:- after setting up client with these libraries #include <WiFiEsp.h> #include <WiFiEspClient.h> #include...
View Articleaelizondo on GSM Shield updates only once
Hi, Thanks for the recommendations and sorry about my delayed reply Vinod. I was using a different code than the one posted by pramod and I found the problem on mine. There were a couple of validations...
View Articleryinsf on ThingSpeak Communication Library for Arduino
Hi Rob - I'd like to use an Adafruit Feather M0 Wifi (ATSAMD21G18 like the Arduino Zero plus ATWINC) with ThingSpeak. The ThingSpeak Arduino Communcation Library refuses to compile because the Feather...
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HydroponicsMAC on A couple of handy snippets of code for debugging
Hello All, I thought I would share a couple of handy code fragments that I've been using while developing Arduino apps with ThingSpeak. My use case is to have the Arduino out in the field running 24x7...
View Articlerw950431 on A couple of handy snippets of code for debugging
Does your setup work properly if the power goes off and both the RPi and Arduino reboot? I tried a similar setup a few years ago (see my stackexchange question) but found the arduino wasnt recognised...
View ArticleHydroponicsMAC on A couple of handy snippets of code for debugging
I haven't experience the same non-recognition problem with the Raspberry Pi 3 and Arduino Mega that I'm using. I'm powering the Arduino via a 9v power adaptor so its USB port is just used for serial...
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rickylee64 on upload data from thingspeak to pvoutput
I'm using an ESP8266 to upload data to thingspeak. I'd like to load this data from thingspeak to PVOutput. Can thingspeak code be written do this? Reason being, it is easy to use a MCU to upload data...
View Articlerw950431 on upload data from thingspeak to pvoutput
Possibly you can set up a React which triggers a ThingHTTP to push to PVOutput every time data is inserted into Thingspeak.
View ArticleKarthikraja Nagendran on how to read the Digital Pin
Hi Guys, I have the capacitive type Proximity sensor that sensor operates at 12volts and output only NO and NC (digital Output ). How to send the Thinkspeak Fields... Already I send the temprature...
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