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Internet of Things : Recent Questions and Answers (Page 3)

Find answers to your questions about Internet of Things or help others by answering their Internet of Things questions.

How do most IoT devices receive updates from SQL databases

With many IoT devices connecting to the internet to store information on large databases, I was wondering how they received data from those databases. For example, if I have a...

Asked on 08/23/2021 by acp_

3 answer

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...

Asked on 08/23/2021 by Aishwarya

0 answer

Ikea Tradfri Gateway don't connect to a network

I connect my Ikea Tradfri to a router. All three lights are on, but the App can't found the gateway.I use an IP scanner on my Mac, and I...

Asked on 08/23/2021 by Marko Zadravec

1 answer

Ethernet communication via Raspberry3

I recently used an IP-camera to monitor my garden. Now I want to expand with various sensors and a microphone module. Therefore I would use an Raspberry, the camera for...

Asked on 08/23/2021 by v3xX

1 answer

Wirelessly Transmit Signal to Smartphone App

I'm looking for a way to wirelessly transmit data to smartphone app. I have a small temperature sensor which will be embedded into a metal structure and will constantly...

Asked on 08/23/2021 by Trevor Dammon

1 answer

mosquitto remap local topic (no bridge)

I am using eclipse-mosquitto:1.6.9 and would like to remap incoming messages to topic /registration_app to /$share/registration_app. In this case IoT devices will be publishing registration messages to /registration_app & backend...

Asked on 08/23/2021

1 answer

Reading from sound sensors or gateways with high level languages

I was asked to implement a system for collecting data from a sound sensor. I have no idea where to start so I'm asking for some guidelines since IoT is...

Asked on 08/23/2021 by ayaros

1 answer

OOB pairing without NFC

I'm building a medical device with NFC capability. This medical device can be connected to a mobile phone/tablet over Bluetooth and operated by an App. During the pairing process, the...

Asked on 08/23/2021 by gigapico00

0 answer

Fail posting an IFTTT JSON from Arduino

I'm trying to send a status message in JSON format, to a Google sheet using IFTTT and WebHook.IFTTT recipe works OK while posting values to all of its 3 cells...

Asked on 08/23/2021

0 answer

Paho-mqtt max clients

I have a question regarding mqtt-paho and the possibility to create 10K clients using multiprocessing based process.This is my code for now (Im using multi-processing based process to create...

Asked on 08/23/2021 by Francisco Parrilla

0 answer
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