Questions tagged [aws-iot]
For questions about Amazon's AWS IoT platform, including technical problems and security/reliability questions. Do not use this tag for general questions about IoT!
3
votes
0answers
62 views
greengrass ggc_user changeable? [closed]
While installing AWS IoT Greengrass for Raspberry Pi, there is a need to create ggc_user & ggc_group as mentioned in Greengrass developer guide step 9:
sudo adduser --system ggc_user
sudo ...
5
votes
0answers
27 views
Provisioning “things” on AWS IoT without certificates confusion
I am new to AWS IoT. I wish to use AWS IoT's feature called JITP (Just In Time Provisioning) to provision my gateways automatically. I am using BeagleBone boards as device gateways.
I followed the ...
1
vote
0answers
37 views
Alexa - Confirm AMAZON.Number slots
I have an intent to request a bank account info by it's number. I tried with only one slot of AMAZON.Number but if the account number is ***012345, Alexa understand this as ***012337 (last two digits ...
1
vote
0answers
36 views
Connect IoT devices to AWS
I have a Moxa I/O Remote connected to a Raspberry Pi running some scripts through pymodbus. I am using MQTT to publish & recieve changes/requests in the I/O remote to a web service.
The idea is ...
2
votes
1answer
36 views
Alexa - call web API in localhost from AWS Lambda Console
I have my Alexa's lambda function on AWS Lambda Console. There I call a web API I created.
If I call my web API on Visual Studio Code, it works great. But if I use Alexa Developer Console to call my ...
1
vote
2answers
72 views
Scalable Arduino ESP32 IoT project ( with lots of users )
I'm planning to create a Arduino device that measures distance, and sends the data to AWS IOT via WIFI . After that i want to see the measurements on an Android or iphone App.
How can i make my idea ...
4
votes
1answer
67 views
AWS IoT certificate rejection
I've been trying to configure AWS IoT to communicate over MQTT using TLS for days on a D1 Mini board and have been running into a road block with authentication.
I've used several AWS IoT Arduino ...
2
votes
0answers
89 views
AWS Greengrass Raspberry Pi scanning for Bluetooth LE
I have a AWS Greengrass setup where I would like to have a Raspberry Pi constantly scanning for BLE devices and if anything is found publish a message via MQTT.
I've gotten the script to work locally ...
7
votes
1answer
37 views
How long should a FreeRTOS task be delayed in each loop?
I'm working on an AWS IoT project where the MQTT routines, callback lambdas and kind of everything else apart from initialisation are inside a task created by xTaskCreatePinnedToCore().
This task ...
0
votes
0answers
21 views
What to be considered when overriding the max RX buffer? AWS IoT ESP-IDF
What is the recommended max size of the RX buffer (CONFIG_AWS_IOT_SHADOW_MAX_SIZE_OF_RX_BUFFER)? What needs to be taken into account when overriding it? Is it better to chunk bigger messages?
5
votes
2answers
88 views
How do I build a web application using AWS IoT connecting to a factory floor?
I want to build a web application using aws Iot.
I build SCADA systems for different companies.
I have a modbus rtu master(raspi) connected to many slaves on a factory floor.
Modbus master is ...
1
vote
1answer
64 views
Connect sx1272 module to a Dragino Gateway
I am new to Lora technology. I am using a sx1272 Lora Module and I am trying to send and receive data to a Dragino Gateway. The problem is the sx1272 and Dragino use two different libraries and hence ...
0
votes
1answer
39 views
First steps to learn IoT with watering plants project [closed]
I am an experienced developper, and I want to learn IoT beginning with a small project. Automatic Watering the plants of my house.
Here are the requirements:
The project is for learning purpose
It ...
4
votes
0answers
44 views
Creating nested IoT field gateways with Azure and AWS
From what I have read and understood from their documentation is that only single layer IoT hierarchies can be maintained with either of their gateways. That is a field gateway(sort of like a smart ...
0
votes
1answer
30 views
Is it possible to implement AWS free RTOS on nrf51822?
Is it possible to implement AWS RTOS on nrf51822? If not what is the alternative solution for connecting nrf51822 to IoT cloud?
4
votes
0answers
129 views
MQTT with TLS for TI CC3200 fails with 'Bad CA file' error
This topic seems to pop up everywhere but, without a conclusion as to how to get MQTT-TLS for CC3200 running. So, here goes one more.
Goal
Connect TI CC3200 board to AWS IoT broker via TLS.
Steps
...
5
votes
1answer
84 views
Which is the right way to use AWS-IoT for big quantities of devices?
I'm studying AWS IoT for a big project and I want to understand more about this amazing service, so here I am with a question for you.
Each example inside the documentation of AWS IoT talks about one ...
7
votes
1answer
52 views
Subscibe to specific device with AWS or Azure IoT services
There are 1,000 IoT devices which need to send data to the cloud each second. There is a mobile app. The mobile app user can see messages from a single device at a time only. Is there any simple (...
5
votes
0answers
107 views
Deploy Scripts to AWS-Greengrass without AWS-Lambda
Is it possible to deploy to Greengrass from another source besides Lambda?
Could I possibly connect to AWS-Greengrass with a client like MQTT.fx and deploy scripts to it?
I have tried several times ...
3
votes
0answers
102 views
Call AWS Lambda https end point from AWS IoT rules Engine
We have an existing ASP.Net Core API that we deployed in AWS Lambda. We were able to access the https verbs using AWS Serverless URL
Now we would like to access a specific https end point through AWS ...
3
votes
0answers
145 views
How to handle AWS IoT with a Raspberry Pi to connect to my Node.js API?
I created an API in Node.js to connect my iOS app to my database.
In my app, I have a button to start an action which will be connected to my Raspberry Pi. This action will happened after ...
5
votes
1answer
277 views
My thing connected to AWS IoT but it does not publish messages
This question is related to this one after you helped me to fix my mistake I have connected to Eclipse broker, it worked just fine, connection and publishing, then I switched to AWS IoT broker with ...
3
votes
1answer
196 views
Using AWS Lambda function to create a monitoring website for IoT devices [closed]
I want to create a web site to monitor my IoT devices, so I went through many tutorials to achieve that.
The most common way that is used in the tutorials is writing to DynamoDB from IoT then using ...
9
votes
2answers
110 views
How to link device with user?
I'm trying to learn IoT development using an Arduino and Amazon's menu of services—Alexa Skill Kit, AWS Lambda, and AWS IoT. I've been able to get come a long way, but when I think about implementing ...
3
votes
1answer
241 views
Cannot publish AWS IoT messages from Raspberry Pi
I run a simple publish message from a Raspberry Pi. It seems that my device is connected to AWS IoT, but the message is not publishing and the on_connect and on_publish methods are not invoking.
Can ...
7
votes
2answers
70 views
IoT Session duration
A Linux box sends measurements to AWS-RDBMS. A python script opens and closes the connection only long enough to upload data to the database (sessions is closed immediately after update). The ...
10
votes
1answer
305 views
How to decrease AWS IoT button press delay before message publishing?
I am using two AWS IoT buttons to increment a scoreboard. The system works, but there is about a 5 second delay from the button being pressed to until the message from the button is actually published ...
7
votes
1answer
525 views
Error connecting AWS IoT button to Wi-Fi network
I have an AWS IoT button (2nd Gen) that I am able to successfully connect to a portable hotspot and send notifications through, but when I try to reconfigure the button to run on a Wi-Fi network, I ...
3
votes
0answers
264 views
Why can I connect to Wi-Fi with 2nd gen Amazon IoT button but not 1st gen buttons?
I have three Amazon IoT buttons. One is model JK29LP (2nd gen) and two are model JK76PL (1st gen). I had the mac addresses for all three buttons whitelisted for our local Wi-Fi network.
I was able ...
7
votes
2answers
250 views
AWS IoT implementation on a low end controller like Atmega328, nrf51822?
I have been using AWS IoT implemented in a RPi for a while. I was wondering if I could use a controller like Atmega328 or some NRF based controllers or STM32 to publish and subscribe to AWS IoT MQTT ...
4
votes
1answer
2k views
Can multiple subscribers subscribe to the same topic from AWS IoT?
Just like what the question asks, can multiple subscribers subscribe to the same topic reading the same message from AWS IoT?
2
votes
1answer
760 views
Connect Webpage to AWS IoT to Publish Messages
I want to create an IoT system. My system contains a robotic arm, a CNC machine and a web page. I want to use MQTT in which I can publish from my web page to robotic arm to pick up the object and put ...
7
votes
1answer
535 views
Can we install Greengrass core for different platform other than Linux?
I'm new to AWS Greengrass and at the phase of learning it functionalities.
As instructed in AWS Greengrass, when creating a new group we need to establish a Greengrass core in the cloud definition ...
7
votes
1answer
119 views
Why is AWS Greengrass region specific? [closed]
When I try to go through the AWS Greengrass functionalities it gives me a message saying;
"Region Unsupported. AWS Greengrass is not available in US... Please
select another region. "
Of course ...
7
votes
1answer
109 views
Does AWS Mobile SDK for Android gives capabilities to call AWS IoT REST APIs?
I thought of writing an WebApp to control my Android Phone.
What I'm intended to do is My WebApp will call the REST APIs of AWS IoT and send some commands. Using AWS rules engine I store those ...
5
votes
1answer
72 views
Does AWS IoT have Enterprise Mobility Management Capabilities?
I'm new to AWS IoT and I'm currently going through the capabilities of it in order to use it with one of my projects.
In my project I need to control Android and iOS devices. What I mean by control ...
5
votes
1answer
413 views
Connect CNC machine to AWS IoT
I want to connect my CNC machine with AWS IoT within a system that contains a robotic arm and sensor. The CNC machine is connected to a laptop and runs with Python code. I want to use MQTT to make the ...
4
votes
1answer
237 views
How can I make an IoT system with a CNC machine and robotic arm? [closed]
I want to create an IoT system with Amazon Web Services. My system contains a CNC machine, robotic arm and sensor.
The idea of my project is that when objects come to container the sensor sense the ...
8
votes
1answer
458 views
Connecting web app to IoT AWS
I am using Raspberry Pi as a web server this web is to control CNC machine as you can see in the following picture.
(I took it from git hub)
I can enter the g code manually or I can upload the g ...
10
votes
1answer
2k views
Can I publish multiple MQTT topics in a single request?
I've got a device with multiple sensors that publishes each sensor reading separately to topics like
device1-id/sensor1-id = 10.2
device1-id/sensor2-id = 15.5
[...]
We feed it to AWS IoT using ...
7
votes
3answers
2k views
What do I need to make a smart plug work with Alexa and/or Amazon IoT
I live in France and I'm wondering which connected plugs would be compatible with Amazon Alexa (I have imported an Echo from England).
I saw a reference to this question How to get Alexa to work with ...
12
votes
2answers
700 views
How can I set up main and failover MQTT subscribers for a job queue with AWS IoT?
I have an system where a client (let's call it ClientA) can publish requests to a particular MQTT topic. The broker, in case it matters, is Amazon Web Services. Then I have another client (let's call ...
13
votes
1answer
717 views
How does an IoT Hub interact with Embedded/IoT devices?
I'm working on the Azure IoT platform and I understand how devices send data to the IoT hub (It's just web service call or something similar to that ... if I'm not wrong).
But I wonder how the IoT ...
7
votes
1answer
307 views
When setting up 'Things' in AWS IoT, can I have one thing, and then have many instances of that Thing?
I might be putting this into software terms, but I just want to have all my things be the same type, but have multiple instances (multiple things). Each thing must be able to be referenced ...
7
votes
2answers
113 views
Why might data be sent to a cloud service when it could be processed on the edge?
I was recently reading Amazon's information about the AWS IoT Platform, and came across an interesting example use case:
Although they don't describe how exactly the road condition data is sensed, if ...
11
votes
4answers
2k views
Is it a bad practice to keep certificates on external memory?
We're working on AWS-IoT using an STM32 microcontroller.
Till today, we were writing the certificates to the flash and locking the flash from external reading. As the application code increases, we'...
