BeeWare on missing data points
I am using an arduino uno wifi to post 4 sensors to 1 channel, and It looks like I am missing data points. why am I missing data points?
View ArticleVinod on missing data points
Please post your code so someone can look into it to provide suggestion. A few things to check in your code: Are you updating your channel faster than the maximum update rate for your user type? Free...
View ArticleBeeWare on missing data points
below is my loop code, so do i need to put a delay in between each of my uploads instead of 30 seconds t the end? void loop() { dTemp.requestTemperatures(); String uri = "/update?api_key="; uri +=...
View ArticleVinod on missing data points
I'd recommend using the library rather than roll your own. Take a look at the tutorials here: http://community.thingspeak.com/tutorials/ Take a look at the examples in the library here:...
View Articlepedretexksi on Problem updating data counter
Hi everyone, I´m new with IoT. I have an arduino connected to thingspeak and i want to send the number of times that a push button is activated. The problem is that at the begining the arduino sends...
View Articles161025 on Arduino UNO WiFi Dev with HX711 load cell send data to ThingSpeak
Hello, everyone! I am not a programmer as you will realise, but I set up a program for measuring weight with HX711 load cell for a uni project, and I would like to upload the measurments to my TS...
View ArticleJasonW on Arduino UNO WiFi Dev with HX711 load cell send data to ThingSpeak
It looks like you are declaring an int led in the first part. But then in the looped code, you use a variable called pump to read the analog input. Then further down you use uri += String(led); Since...
View Articles161025 on Arduino UNO WiFi Dev with HX711 load cell send data to ThingSpeak
My bad. I meant led = AnalogRead(A1); This seems consistant. I think that the problem is somewhere else.
View Articlehabapa on What is wrong with I2C on edison with HTU21DF or MPL3115A2 or BMP280 ？
Hi everybody, I am trying to build an teaching IoT-micro-weatherstation and I am facing problems with I2C sensors or more probably Edison I2C behavior. I had faced some hardware problems few weeks...
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 Articlenarkase on arduino + ajax + hml and ThingSpeak
Hey all, I want to make a remote control system and display sensors parameters so I'm using ThingSpeak to plot graphs and some buttons to control leds, seperatly everything works perfect, but when I...
View ArticleSintra Air on DSM501a - Arduino
Hello comunity, I'm new here. Have been able to post DHT readings to my channel with no problems at all. Recently, I've been trying, with no any success to post data from a dust sensor, the DSM501a....
View Articlerw950431 on DSM501a - Arduino
Does it print anything to Serial? The code you posted is missing a closing }- I assume there is one in the real code.
View ArticleSintra Air on DSM501a - Arduino
Hey! It was printing. Problem "kinda" solved. It started posting information, but sometimes it just stops for radom 20 or 30min periods. Maybe now related with the power supply, I think. Or...
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Sintra Air on DSM501a - Arduino
So, I was powering everything from arduino uno board. Today I repurposed an old Sat Receiver's power supply, which supplies multiple voltages (3.3, 5, 7 and 12V, all with common groud), and powered...
View ArticleSintra Air on DSM501a - Arduino
So, conclusion, just in case someone is in the same situation: It was a program problem. It still is, but I found a way out. SRAM, as far as I understood was being corrupted, making the arduino...
View ArticleGriwen on ThingSpeak problems with upload
Hello! I have Arduino Uno WiFi, and the temperature sensor DHT21. Problem starts when I try to upload my values from sensors to ThingSpeak. When I try to upload more than two fields in rest uri, it's...
View Articlerw950431 on ThingSpeak problems with upload
Perhaps you can try to print the url to console or maybe just the length to see how long it is? Perhaps you are exceeding some kind of buffer length somewhere.. You could also experiment by adding...
View ArticleGriwen on ThingSpeak problems with upload
In console with two value it works from sensors: Send data on ThingSpeak Channel /update?api_key=**********&field1=22&field2=36 State: 200 Response: 131 In console three sensors but not float...
View ArticleVinod on ThingSpeak problems with upload
Take a look at one of the examples that use the ThingSpeak support library: https://github.com/mathworks/thingspeak-arduino/tree/master/examples More specifically try modifying this one:...
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