Azure IoT
A category of Azure services for internet of things devices.
378 questions
1 answer
Not able to connect ESP 8266 to Azure. Not able to authenticate. Please help!
Hello, I have followed all procedure to connect my ESP8266 and i have entered my credentials correctly. Why am I facing this issue? Have uploaded screenshot of the error. Kindly help! ERROR: MQTT client connect attempt failed. Check host, deviceId,…
asked 2024-02-20T11:05:32.1433333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 65%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYP%3C/text%3E%3C/svg%3E)
Yash Paranjpay
0
Reputation points
commented 2024-04-20T23:49:53.7733333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(153.6, 89%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EME%3C/text%3E%3C/svg%3E)
Miguel Esteban Delgado Jiménez
0
Reputation points
1 answer
Troubleshooting adding an external App Admin to IoT Central/Azure
Hi, I'm the Azure admin for our company, and I'm trying to add an external developer who isn't part of the company on our 365 account. I followed the steps in the help center and tried a few different things (to add him as an App Admin in IoT…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(118.4, 75%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYE%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
I want to store data from IoT Central to CosmosDB in real time.
Hello. I monitor telemetry data with IoT Central. I want to flow the telemetry data I am receiving in IoT Central to Cosmos DB in real time. Is there any way to do this? Thanks in advance.
asked 2024-04-16T04:44:49.7733333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 86%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHK%3C/text%3E%3C/svg%3E)
Hinata Katsunori
536
Reputation points
accepted 2024-04-17T06:17:24.5633333+00:00
Hinata Katsunori
536
Reputation points
1 answer
One of the answers was accepted by the question author.
Compiling problem when connecting ESP32 to Azure Iot Central.
Refer to "Connect ESP32 to Azure IoT Central" topic in https://learn.microsoft.com/en-us/answers/questions/1627220/connect-esp32-to-azure-iot-central , I followed the guidance, specifically adjusting the Azure IoT_PnP_Template.cpp file. As a…
asked 2024-04-11T01:11:13.0466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(153.6, 76%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Abball
50
Reputation points
commented 2024-04-15T13:58:14.8566667+00:00
LeelaRajeshSayana-MSFT
13,456
Reputation points
2 answers
How can I ensure that the graph accurately reflects the data sent during periods when the code encounters interruptions and resumes transmission?
I have got a system set up with Microsoft Azure IoT Central and have devices setup that's supposed to send data for creating graphs. Sometimes, the system stops working, meaning it doesn't send any data. But when you restart it, it sends all the missed…
asked 2024-04-14T23:34:26.8966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(182.40000000000003, 99%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bijay SUBEDI
20
Reputation points
commented 2024-04-15T10:52:38.6233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 71%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED%3C/text%3E%3C/svg%3E)
Dom
1,466
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Graph in Azure IoT Central might use _timestamp instead of _eventcreationtime
Hi there, We have a device which have telemetry consisting of _eventcreationtime and _timestamp We want to use _eventcreationtime in the x-axis of all the graphs in our dashboards. Is that possible?
asked 2024-04-11T00:53:55.4633333+00:00
Bijay SUBEDI
20
Reputation points
accepted 2024-04-11T21:59:28.8566667+00:00
Bijay SUBEDI
20
Reputation points
1 answer
One of the answers was accepted by the question author.
Connect ESP32 to Azure IoT Central.
I am currently working on a project to connect my ESP32 to Azure IoT Central. Following the instructions provided in the Quickstart guide titled 'Connect an ESPRESSIF ESP32-Azure IoT Kit to IoT Central' (reference:…
1 answer
One of the answers was accepted by the question author.
Dashboard - No data found for every telemetry
I have connected TTN to Azure IoT Central. Devices are synced and created from the TTN. However, there is "No data found" from telemetry after i added visuals to the dashboard. I have checked the data format and the name of the telemetry data.…
asked 2024-04-03T15:14:07.01+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(70.4, 2%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Stephan Scholz
20
Reputation points
accepted 2024-04-04T15:27:10.97+00:00
Stephan Scholz
20
Reputation points
0 answers
Connecting Arduino Uno R4 Wifi to Azure IoT Hub
Has anyone successfully connected their Arduino Uno R4 Wifi to Azure IoT Hub and Azure IoT Central? I've been encountering issues related to libraries like based64.h, azureiothub.h, azureiotutility.h, and so on. I'm hoping someone can provide me with an…
asked 2024-02-13T16:40:00.67+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(60.8, 56.00000000000001%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYY%3C/text%3E%3C/svg%3E)
Yeow Yu Leong
115
Reputation points
commented 2024-04-03T20:47:32.7066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(54.400000000000006, 73%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAN%3C/text%3E%3C/svg%3E)
Antu, Nayeem
0
Reputation points
1 answer
One of the answers was accepted by the question author.
How can I replace the use of wildcards for subscription to an IoT Hub pseudo topic
I require assistance in analyzing other tools or solutions provided by Azure that could help resolve the issue with my Modicon M262 PLC device, which is unable to use wildcard subscriptions for C2D communication, such…
asked 2024-04-02T03:34:06.0566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(22.400000000000002, 66%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMM%3C/text%3E%3C/svg%3E)
Marcos Moraga
20
Reputation points
accepted 2024-04-02T13:09:06.0233333+00:00
Marcos Moraga
20
Reputation points
0 answers
STM Azure page is not shown
Hi, I had this page : https://anad-hvac-monitoring-tool.azureiotcentral.com/devices/details/eval3-0209200A215AD42AC20139/dtmi:stmicroelectronics:b_u585i_iot02a:r8vu5kzvoyen:hconklhjl6a connected to STM IoT devices. I can not see this page to connect it…
asked 2024-03-31T03:04:01.67+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(272, 6%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERT%3C/text%3E%3C/svg%3E)
Rose Teim
0
Reputation points
edited the question 2024-04-01T02:33:29.7866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(214.4, 74%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAM%3C/text%3E%3C/svg%3E)
AshokPeddakotla-MSFT
27,311
Reputation points
1 answer
Unable to send data to Azure IOT Central hub device from NodeMCU ESP8266 device
I am trying to connect to Azure IoT central device model and send real-time temperature, humidity- sensor data from NodeMCU ESP8266 Wifi enabled IoT device. How to check if Azure is able to receive data or if there is something wrong with…
asked 2024-03-10T08:16:18.4066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 30%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMY%3C/text%3E%3C/svg%3E)
Manish Yadav
0
Reputation points
answered 2024-03-11T14:27:19.0466667+00:00
LeelaRajeshSayana-MSFT
13,456
Reputation points
1 answer
MQTT client connect attempt failed - ESP8266/ESP32 to Azure IOT Central
Seeing this error on Serial Monitor when attempting to connect ESP32 to Azure IOT Central using the Azure provided example for ESP32 to AzureIOTCentral ERROR: MQTT client connect attempt failed. Check host, deviceId, username and password. (state -2) …
asked 2024-03-01T02:35:03.04+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(144, 8%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYS%3C/text%3E%3C/svg%3E)
yash shah
0
Reputation points
commented 2024-03-05T23:55:40.4266667+00:00
LeelaRajeshSayana-MSFT
13,456
Reputation points
2 answers
One of the answers was accepted by the question author.
How do I check how many messages I used so far on Azure IoT Central ?
I could not find this anywhere, but is there a way to see the number of messages you send to and from Azure IoT Central? I am currently using the standard tier 2 for a project and wanted to see how many messages I used already during the month. On the…
asked 2020-05-14T17:33:38.347+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(54.400000000000006, 38%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQ%3C/text%3E%3C/svg%3E)
QuantumCache
20,031
Reputation points
answered 2024-02-28T21:32:21.3766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(224.00000000000003, 82%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGL%3C/text%3E%3C/svg%3E)
Gang Liu
0
Reputation points
1 answer
How to display graph to show telemetry increase/decrease
Currently have a device with a pulse counter feeding data into IOT central. This device cannot reset the pulse counter after a certain period so it will accumulate indefinitely. Is there any option within IOT central that will let me display a graph that…
asked 2024-02-20T22:31:50.6233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(6.4, 94%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EN%3C/text%3E%3C/svg%3E)
Navaska
0
Reputation points
commented 2024-02-28T20:50:24.63+00:00
LeelaRajeshSayana-MSFT
13,456
Reputation points
1 answer
Azure IoT Central Organization limit
We are working in a IoT Central service, but, regarding device management, we have found a blocking problem, the 200 organizations limit. Our organization have a large volume of connected devices and customers, so we want to increase te limit of 200…
asked 2024-02-13T15:27:46.4533333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(300.8, 61%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERP%3C/text%3E%3C/svg%3E)
Rogelio Pérez Antonio
0
Reputation points
edited an answer 2024-02-13T17:33:31.82+00:00
Sander van de Velde
28,236
Reputation points MVP
1 answer
IoT Central Role permissions not working
Currently I am experiencing an issue with the permissions given to a user in IoT Central. I have users that are using a custom Role that provides a high level of access to the IoT App, including Device Groups, Dashboard creation etc. However late last…
asked 2022-11-28T21:34:26.517+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 50%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anon
1
Reputation point
commented 2024-02-08T04:19:06.5266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(57.599999999999994, 98%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHE%3C/text%3E%3C/svg%3E)
Hugh Ebeling
0
Reputation points
2 answers
Connecting Arduino uno rev2 with IoT central application
I am following this git repo to establish a connection between Arduino Rev2 with a wifi chip and the Azure IoT central application https://github.com/firedog1024/arduino-uno-wifi-iotc I am having difficulty establishing a connection and obtaining a…
asked 2023-11-16T14:34:18.5166667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(102.4, 31%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPB%3C/text%3E%3C/svg%3E)
Pranay Bolem
0
Reputation points
commented 2024-02-01T19:41:25.1433333+00:00
LeelaRajeshSayana-MSFT
13,456
Reputation points
1 answer
IoT Central 7 day free trial
Did IoT Central get rid of it's 7 day, no account needed, free trial?
asked 2022-08-23T19:18:00.677+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(249.60000000000002, 30%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
Abraham Arrendondo
1
Reputation point
edited the question 2024-01-25T00:10:08.2133333+00:00
QuantumCache
20,031
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure IoT Central Latency
I am seeing as much as 30 seconds delay between sending from my gateway and seeing the change displayed in the dashboard tile. On other platforms I can easily get 5 seconds or less latency with the same hardware. The message is a simple boolean value…
asked 2022-03-22T13:30:59.727+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 27%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EI%3C/text%3E%3C/svg%3E)
IoTBuilder
21
Reputation points
edited the question 2024-01-25T00:03:37.5033333+00:00
QuantumCache
20,031
Reputation points