Questions tagged with Internet of Things (IoT)
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Hi there,
I have setup everything according to this guide https://docs.aws.amazon.com/greengrass/v2/developerguide/fleet-provisioning.html
but when it run
```
sudo -E java -Droot="/greengrass/v2"...
1
answers
0
votes
336
views
asked 2 years agolg...
In creating an Mqtt client connection using the class AwsIotMqttConnectionBuilder, I encounter a configuration setting called "withCleanSession(boolean)" that is described in the documentation this...
1
answers
0
votes
556
views
asked 2 years agolg...
IoT topic names?lg...
I'm trying to build a Java client that subscribes to IoT services topics.
In the IoT console, I went to the MQTT test client and subscribed to a topic named "test".
In my Java code, I set up an...
1
answers
0
votes
334
views
asked 2 years agolg...
I'm using the aws Java SDK to build a Java server application that works with IOT services.
My server application is designed to be a supervisor that can communicate with all of the IOT devices in my...
1
answers
0
votes
1275
views
asked 2 years agolg...
Hi,
I'm working with IOT services using the Java SDK. I'm able to instantiate an IotClient (software.amazon.awssdk.services.iot.IotClient) and perform some basic functions like listThings() or...
3
answers
0
votes
1133
views
asked 2 years agolg...
I'm working with IOT services using the Java SDK. The main class I'm using is software.amazon.awssdk.services.iot.IotClient.
Is there a way to get a list of MQTT topics via the SDK? I can see that...
4
answers
0
votes
1120
views
asked 2 years agolg...
Hi, I've create and registered a CA certificate in IoT core. When I use this for greengrass fleet provisioning it fails with
```
java.lang.RuntimeException:...
2
answers
0
votes
571
views
asked 2 years agolg...
Hi,
I've read that the recommended way to use IOT services is via MQTT topics, and I'd like to do that, but I'm unsure how. Is there some MQTT topic already created that is associated with my IOT...
3
answers
0
votes
246
views
asked 2 years agolg...
How does an AWS IOT device know what endpoint to hit in order to access the IOT instance associated with my AWS account?
Do all devices just hit the same endpoint, and IOT figures it out based on...
Accepted AnswerInternet of Things (IoT)
1
answers
0
votes
531
views
asked 2 years agolg...
I'm having a lot of trouble getting started with IOT services. I've read all the introductory information and understand how the system works at the high level. I'm now at the point where my hardware...
3
answers
1
votes
252
views
asked 2 years agolg...
ota job creationlg...
for ota job creation for code signing esp32c3 device is not available.... tried as per
https://docs.aws.amazon.com/freertos/latest/userguide/ota-code-sign-cert-win.html
having errors and update is...
1
answers
0
votes
319
views
asked 2 years agolg...
In the case of an AWS Greengrass Core Device (V2) that has components which perform the following:
- Downloading from AWS S3
- Subscribing to AWS IoT MQTT Topics + receiving messages
- Posting to...
1
answers
0
votes
304
views
asked 2 years agolg...