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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!

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How to handle the connection in MQTT using Paho

I've managed to connect to my Mosquitto broker of Paho MQTT JS client. However, the client disconnects inmediately after completing the connection. Before it worked now I'm testing it doesn't work. ...
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3 votes
2 answers
46 views

Iot datalake. Can you help me. Thanks [closed]

I collect data from iot sensors. I get some byte datas, whose bits have some meanings. I will use some bits for anlytics finally. So the following is my question. Should I convert these bits used for ...
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0 answers
19 views

Network traffic to AWS IOT server

I have simple application basic-pub-sub from AWS CPP SDK that performs basic actions on AWS IOT server. I was trying to monitor network traffic between application and device endpoint provided by AWS ...
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3 votes
1 answer
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How to simulate an IoT device or a network of IoT devices without hardware?

Hey IoT stack community! I want to ask how I can simulate an IoT device or a network of IoT devices, if i don't have a single piece of hardware? Is this possible in any way at all? To give you some ...
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3 votes
0 answers
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Can IoT devices share their own capability/resources with another device?

Hello IoT Stack community ! I am sort of a beginner at IoT and looking for some guidance and help I am struggling to wrap my head around the following concept; Is it possible for IoT Device to share ...
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1 vote
1 answer
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Thingpark Enterprise question on Applications

We've been using Thingpark Enterprise cloud for a while now and we 're facing a difficulty in adding new Application outputs to our existing devices. We 're using MQTT as an output on an existing ...
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3 votes
1 answer
129 views

How to programmatically retrieve the public key for a Thing in AWS IoT Core?

I am building a system where I would like to send an encrypted message from AWS Lambda (via an AWS IoT Core rule) to a device. Ideally I would like to encrypt this message using the device's public ...
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-1 votes
1 answer
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What is the maximum number of IOT things of topic per AWS account?

What is the maximum number of AWS IOT Things that can be concurrently connected to the IOT broker? Or what is the maximum number of topics that can be created per AWS account? So for example is it ...
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Easy ways to setup or pair IoT devices

I am intending to create a user-friendly and easy way for the users to be able to pair the phone application with an access point with also pairs into an electricity meter.. between the meter and ...
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2 votes
2 answers
139 views

Python Paho MQTT 2.5 KB messages not sending for days, while 0.1 KB messages send fine

I've got powerful dual-core IoT gateways in the field with high-speed cellular modems and good internet connections, but they fail to send 2.5 KB MQTT messages to my AWS IoT message broker. My program ...
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3 votes
1 answer
73 views

Monitoring temperature using AWS IoT

I've developed an Android app for my dad for monitoring temperature from a specific room. He wants to be able to see the temperature even when he is not home. I got working with Amazon IoT and it's ...
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4 votes
1 answer
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Project IoT backend for monitoring sensor data

I'm newbie to cloud-iot services. I was challenged by my lecturer to build a backend system where it can send sensor data to cloud, store it, and host a website page. Its about monitoring microclimate ...
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5 votes
1 answer
71 views

Do I need different certificates for every thing?

I'm learning AWS and I created a new thing with the required certificates to access it via MQTT: root-CA.crt .private.key .cert.pem If I'm not wrong the root-CA.crt file will be the same for all the ...
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2 answers
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Why some IoT devices cannot connect to MQTT broker

We have an IoT company and we shipped more than 10.000 products around the world. We have some of our customers (around 5%) that cannot connect their product to MQTT. Our infrastructure is really easy....
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1 vote
1 answer
118 views

Best way to store the data received from aws iot core

What I am trying to achieve is that I have an Arduino base which periodically uploads data to AWS IoT-Core. But I am looking for a way to store that data and make it accessible to my web application ...
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3 votes
1 answer
489 views

Connect an esp32 with AWS MQTT with SIM800L

I am are trying to use a sim800L module to connect an esp32 running Arduino to AWS MQTT. I need to connect and publish and subscribe to topics. I am doing this successfully via WiFi. Not via the ...
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2 votes
1 answer
105 views

IoT Dashboard for customers (data comes from Arduino)

I push my sensor readings from product A, B, C, D to an online cloud provider. Then my customer (call him E) needs to access all these sensor readings and make a dashboard for his customer X, Y Z. ...
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3 votes
1 answer
513 views

Using mosquitto_pub WITH mosquitto_sub on AWS IoT thing is not working

Strange problem when trying to interact with an AWS IoT thing using the mosquitto CLI clients: mosquitto_pub works as I can see the incoming message in the AWS IoT Test console. mosquitto_sub works ...
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0 answers
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How to connect the bridge node of painlessmesh to AWS IoT Core to publish message via MQTT?

Background: I am trying to work with two ESP8266 nodes using the painless mesh. Until now the painless mesh worked fine. At next level i made one of the node as bridge or root node. My intention here ...
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2 votes
2 answers
84 views

wireless moisture data transmission

I am mainly from software background with very very basic level of electronics/microcontroller knowledge. I recently did a small IoT project for moisture/temp detection following this tutorial At a ...
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3 votes
1 answer
393 views

What is Shoulder Tap in IOT?

I am very new to IOT (primarily in Connected Cars segment) and came across the terms like: Shoulder Tap , Using SMS to awake device. I did search online, but didn't get proper information. Can ...
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0 votes
1 answer
95 views

Benefits of Greengrass over IoT SDK [closed]

What are the benefits of using the Greengrass vs the Node SDK package? We have a software stack happily interacting with IoT Core services (running on buildroot) using the Node SDK. I'm trying to ...
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1 answer
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How to add the feature of adding wifi device or iot device in an app?

I created an application on dyo appypie platform. The platform doesn't have the feature to add any WiFi or IoT device. I am having conversation with developer team, because it is dyo platform they can'...
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1 vote
0 answers
270 views

Can I use ESP32 as a proxy to connect BLE device to AWS IoT cloud? [closed]

Reading AWS IoT documentation I see that the proxy could only be an Android or iOS device. To be more precise I’d like to publish from BLE (nRF52840) To AWS IoT using MQTT, but this device doesn’t ...
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2 votes
0 answers
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What are the best practises AWS IoT thing registration process?

What are the best practises AWS IoT thing registration process? How can the process of making devices available to the users be streamlined? I need to know how can this be done in a viable way. ...
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1 vote
2 answers
253 views

OTA updates with AWS IoT Core

I'm trying to build a device on AWS IoT platform with OTA updates. The device is based on Raspberry Pi (or similar), has half a dozen sensors, runs some inference on the collected data, and can ...
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2 votes
0 answers
63 views

BLE devices with AWS IOT gateway

I am building a setup for 1-10 wearable sensors (all in range) to send data over BLE to: co-located android device app for each sensor AWS EC2 for further processing and web app serving. a dashboard ...
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  • 121
2 votes
1 answer
739 views

Why one should choose GraphQL instead of MQTT for an IOT project?

Just got assigned to the IoT Project. It is regarding a simple IoT cellular device that pretty much acts as a garage door control. The device can be called using the phone and then opens the gate, ...
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1 vote
3 answers
113 views

Cloud mqtt broker

I am completely new to the world of IoT and I want some recommendations. I want to build a home automation system that is accessible from anywhere in the world using internet. The ultimate goal is the ...
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1 vote
0 answers
43 views

Discovering IOT Devices In Network Logs [closed]

How we can discover IoT Devices used within a network in Firewall Logs?. One of the way of discovering IOT devices is through mac address, but mac address is not available in log file. I have to work ...
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2 votes
0 answers
51 views

AWS lambda capture IoT thing creation event

I need to perform some additional operation when new thing created in AWS IOT , to accomplish this requirement needed to trigger a Lambda function upon new thing creation event. I followed AWS lambda ...
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1 vote
1 answer
65 views

Does server running on local host constitute IoT? [closed]

I have created a network, using mobile hotspot (without internet connectivity), between microcontroller and pc.(intranetwork) The designed server right now works on the local host. Will this be ...
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4 votes
2 answers
127 views

Can I run a Greengrass Core and an IoT Device on the same machine?

We are trying to create a system that reads and performs some computation on data coming in via serial port (from a CAN network) and send the results to the cloud. I have been looking into AWS ...
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6 votes
1 answer
62 views

Securing first connection of non provisioned IoT device

Assumptions The IoT Device is actually a software installable on supported operating system, e.g. Windows or Linux. Lets named it Software-Device. The Software-Device is available to download by ...
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1 vote
3 answers
2k views

Send sensor data over internet to a server [closed]

I had a project planned on monitoring sensors. I wanted to read sensor data over the internet. How should I proceed with the setup? Any help is appreciated.
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3 votes
0 answers
85 views

How to use of Aws IoT certificate, access key and secret key in Swift?

I am new to Swift as well as to AWS-IoT. After reading a tons of doc, I finally decide to post a question for a simple answer. I am working on a project where I have to interact with "Things". I ...
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3 votes
1 answer
235 views

The Things Network AWS IoT integration

I have followed the tutorial for the AWS integration but cannot get the MQTT messages to display in the AWS IoT Core. I assume bridging is not working since I can get the messages in an external ...
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1 vote
1 answer
88 views

Dash Button indicator Light

I have some Amazon Dash buttons that I want to use for multiple different scenarios, I don't know quite what yet, but I am unable to find a good way to make the indicator light turn green after I have ...
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3 votes
0 answers
226 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 ...
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5 votes
0 answers
138 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 ...
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1 vote
0 answers
119 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 ...
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2 votes
0 answers
83 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 & receive changes/requests in the I/O remote to a web service. The idea is ...
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2 votes
1 answer
392 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 ...
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1 vote
2 answers
226 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 ...
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4 votes
1 answer
2k 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 ...
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2 votes
0 answers
310 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 ...
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8 votes
1 answer
129 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 ...
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5 votes
2 answers
212 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 ...
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1 vote
1 answer
169 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 ...
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0 votes
1 answer
68 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 ...
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