MQTT client 'RefusedNotAuthorized' when connecting to edge translation gateway.
Hi I am trying to connect a downstream MQTT device to a translation edge gateway. I understand from https://learn.microsoft.com/en-us/azure/iot-central/core/how-to-connect-iot-edge-transparent-gateway#provision-a-downstream-device that "IoT Central…
How to Integrate HX711 with ESP32 and Azure SDK C for Weight Capture?
I'm working on a project where I need to capture the weight from an HX711 load cell connected to an ESP32 board and integrate the data with Azure IoT Hub using the Azure SDK for C. I have already configured the iot_configs.h file correctly with the…
Azure_IoT_Central_ESP32 SDK [ERROR] Device provisisioning failed.
This has been a recurring issue with this SDK. I've double/triple checked all the parameters regarding the deviceID, template DTMI, and DPS provisioning ID are correct. I'm using the SAS primary key from a Device Connection Group I created in IOTC. This…
Azure-SDK-for-C IOT Central [ERROR] Device provisioning failed.
I've loaded the subject SDK onto an ESP32 with Arduino and separately in Visual Studio Code. The following are from the Serial Monitor. I'm using the appropriate SAS key, has worked previously. 1970/1/1 00:00:02 [INFO] WiFi connected, IP address:…
Why does IoT Central duplicate telemetry messages?
I have found what appears to be a bug within IoT Central. Every message received by the application is duplicated. Time stamps are identical and the data is identical. The 'device connected' and 'device disconnected' messages which are system generated…
Separate data in data explorer and use as datastore
Hello, We are sending data from IoT Central to Event Hubs and then to Data Explorer, with the hopes of then sending the data to Azure Machine Learning. In order to send data from Event Hubs to Data Explorer it needs a data ingestion into a table…
IoT Central App does not load Device page
I am having issue loading Device page on IoT Central. I need to get to this device page to get the connection string/key information. Spinning wheel keeps spinning and page doesn't load. I tried different browsers (Chrome, Firefox & Edge). None of…
Latency of receiving data in IoT central device
Currently, i am using a Python script to send simulated data to my IoT central device. The script works perfectly fine but the only problem I have is the latency. It takes 3~10 mins to actually appear in the Device's raw data. How can I fix this…
Change a module's runtime status from stopped to running
The initial deployment manifest is applied with a bash script. One module initiates in the "stopped" state. az iot edge set-modules --hub-name "$IOT_HUB_NAME" --device-id "$DEVICE_ID" --content…
IoT Central REST API servicePrincipal token unauthorized
Hello, I'm trying to allow a Function App to access IoT Central REST API in production. For this I need to create a special servicePrincipal user in IoT Central that will be used to impersonate the App's access. The userId in the URL I made up from…
Setting up a RTR500BM Data Logger with Azure IoT Hub
For reference, here's the product I am talking about! https://tandd.com/product/rtr500bm/ Hi all, I am looking to set up an Azure-based solution to logging a voltage captured by the above device. I have successfully got it to connect to the company's…
How to static and cross compile the C-based Azure Tutorial with an IoT client?
I successfully did this Tutorial with an C-based IoT-client: https://learn.microsoft.com/de-de/azure/iot-central/core/tutorial-connect-device?pivots=programming-language-ansi-c on a Ubuntu based virtual machine Now I would like to excecute this sample on…
How to use Azure IoT Central to view RTSP video stream and display it on the Azure IoT Central page
How to use Azure IoT Central to view RTSP video stream and display it on the Azure IoT Central page? Any tutorials? Thank you!
Does Microsoft Azure IOT Central support guest users from external domains?
We would like to invite guest users to use our IOT Central application. Can we invite guests from other domains? So far, the only way I can add users is if they are a named user on our domain.
Azure IoT central device cannot connect to MQTT after several days of working
I was testing 1 IoT central devices over the weekend, from 3/31 19:00 KST, and another for more than 10 days, but I found that they are both disconnected since 4/1 05:34AM KST and 4/1 05:05AM KST. One of them shows error as follows. 2023/4/4 11:13:47…
How to use own templates when creating an IoT Central Application
Hey, we are currently trying to create an IoT Central application using Terraform. We want to use a custom IoT Central app template. However, you can only specify the system templates and not the custom ones. The same applies to the Azure web UI. Only…
View telemetry data in IoT Central Application
Hello, I can able to send telemetry messages from IoT device to IoT central application, but I can not be able to view that data. How to configure viewing options for telemetry messages.
I cannot add more than 200 users in IOT central application
I have added 200 users in several organization and roles. I have 33 organizations and 2 user added roles in my application and added 200 users across roles and organizations. However, I need to add more users, but I cannot add any new users. If I tried…
Send String type 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 (reference:…
How can I display a folder structure in the IoTCentral devices Files tab ?
We need to use a folder structure to organise the files we are uploading from our IoT devices to Azure Blob Storage. To do this we are using a folder structure as shown below when uploading using the device SDK and this works fine, with the folders…