Questions tagged with AWS IoT Core
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Our IoT project is nearly complete, but before we go live we need to generate large numbers of certificates so that we can prepare our devices for distribution. I'm using the Java API to create these...
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314
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asked 4 months agolg...
Hi,
We have a scenario where we want to send a JSON object that contains a nested list of records into Kinesis Firehose from an IoT Core rule, and have this list split into multiple records, with...
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884
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asked 4 months agolg...
Good morning.
I want to apply a MQTT policy that grants the IoT thing access to certain topic. For example, assuming that the thing name is 0R281, I would like a policy that allows the thing to...
3
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339
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asked 4 months agolg...
Hi
I am looking some direction/documentation in order to develop real time monitoring app using AppSync.
I am trying to make sure each user/tenants can monitor only their data which comes from IoT...
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212
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asked 4 months agolg...
Hello! The console window for the SSH connection to one of our Greengrass v2 core devices only shows a black screen with a blinking cursor. Why does this happen?
I have tried a couple of times to...
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133
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asked 4 months agolg...
I am attempting to setup a test where I am implementing this guide
[https://docs.aws.amazon.com/iot/latest/developerguide/iot-sns-rule.html]()
I successfully walked through the whole guide and am now...
1
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193
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asked 4 months agolg...
I'm designing a system that will listen to over 1000 streams (1 for each device), and should be able to process the streamed data to take action when needed. I need the processing and taking action to...
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1306
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asked 4 months agolg...
Hello;
I have subscribed to the two lifecycle event topics $aws/events/presence/connected/+ & $aws/events/presence/disconnected/+ . However, i noticed that we are receiving event message for...
2
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199
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asked 4 months agolg...
Here are the challenges that we faced.
We have listed the IoT APIs that we need in our web application. All the API requests worked in Postman. We are building a website to display all the things...
1
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0
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138
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asked 4 months agolg...
Here is the scenario.
We have a few smart light devices that are connected to AWS IoT Core. We are building a web application similar to Fleet Hub but more complicated. These lights should be able to...
2
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0
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154
views
asked 4 months agolg...
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Hello
I created a scene at IoT TwinMaker.
But I have an error like picture
The error said "unable to render the scene"
What should...
1
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0
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228
views
asked 5 months agolg...
Hi I am getting the below error in greengrass.log (in core) each time I run the basic_discovery.py from a client device. The messages arrive and I can check them in MQTT tester but I need to see when...
1
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242
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asked 5 months agolg...