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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0 answers
29 views

"Overall system architecture of IOT based solar power system"

The solar power data through IOT devices to be stored in centralized Linux server system Below are some of the inputs that I have Sensors and Solar power meter or solar power inverter The rough design ...
3 votes
1 answer
957 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 ...
1 vote
0 answers
18 views

ESP32-S3 with AWS-FreeRTOS. Can't create a proper JSON with asprintf()

I have a MAC MOnterey 12.6.3 and installed all necessary espressif toolchain. I just installed AWS-FreeRTOS in a ESP32-S3 and ran the mqtt/tls_mutual_auth example. This example is to publish a hello ...
3 votes
2 answers
58 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 ...
0 votes
0 answers
26 views

Is it possible to install AWS FreeRTOS into a PLC P1AM-100 Arduino Compatible CPU?

I am about to buy a PLC - P1AM-100 ProductivityOpen controller and I was wondering if it is possible to install AWS FreeRTOS on it. SPECS How to achieve the install?
2 votes
0 answers
74 views

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. ...
13 votes
4 answers
3k 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'...
1 vote
2 answers
267 views

Make connection in the background & closed app using MQTT

What is the proper way to show notifications of the message's received from mqtt when app is running in the background or when app is closed using react native. So far I have achieved to show ...
0 votes
1 answer
979 views

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. ...
0 votes
0 answers
173 views

Integration of AWS' Mobile SDK with flutter or react native application

We're generally developing mobile apps using Flutter or react native. I have a project for an app which is mostly an IOT app for end users and technical support, for an iot infrastructure running on ...
3 votes
0 answers
47 views

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 ...
3 votes
1 answer
287 views

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 ...
9 votes
1 answer
816 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 ...
0 votes
1 answer
44 views

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'...
1 vote
1 answer
58 views

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 ...
11 votes
1 answer
6k 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 Amazon ...
4 votes
1 answer
738 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
1 answer
341 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 ...
1 vote
2 answers
324 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 ...
3 votes
1 answer
314 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 ...
-1 votes
1 answer
281 views

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 ...
0 votes
0 answers
41 views

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 ...
3 votes
1 answer
81 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 ...
3 votes
1 answer
887 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 ...
6 votes
1 answer
65 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 ...
2 votes
2 answers
208 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 ...
4 votes
1 answer
52 views

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 ...
2 votes
2 answers
86 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 ...
5 votes
1 answer
107 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 ...
0 votes
2 answers
404 views

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....
2 votes
1 answer
119 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. ...
1 vote
1 answer
221 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 ...
0 votes
0 answers
513 views

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 ...
3 votes
1 answer
636 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 ...
5 votes
1 answer
582 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 ...
2 votes
0 answers
67 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 ...
0 votes
1 answer
121 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 ...
1 vote
0 answers
337 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 ...
2 votes
0 answers
70 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 ...
2 votes
1 answer
1k 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, ...
1 vote
3 answers
171 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 ...
13 votes
1 answer
1k views

How does an Azure IoT Hub interact with Embedded/IoT devices?

I am working on the Azure IoT platform, and I understand how devices send data to the IoT hub (if I am not wrong, It is just web service call or something similar to that). But I wonder how the IoT ...
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 ...
4 votes
2 answers
150 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 ...
1 vote
1 answer
74 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 ...
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.
3 votes
0 answers
90 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 ...
3 votes
1 answer
257 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 ...
1 vote
1 answer
98 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 ...
2 votes
1 answer
485 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 ...