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18 views

Does there exist a device installed in home infrastructure that can cause silent “vibrations” powerful enough to reach someone laying on a bed?

Question: Does there exist a device installed in home infrastructure that can cause silent "vibrations" powerful enough to reach someone laying on a bed? The following is my best to ...
0
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0answers
13 views

What are the hardware+software options for controlling and monitoring a fleet of smart devices?

I want to build an IoT device that can be placed in public spaces and run off battery. They would not need to always be on, but a user could turn it on or wake it up from standby, then connect to it ...
2
votes
1answer
13 views

Is Google Cloud Platform a broker?

I am trying to develop an windows form application on Visual Studio to control a home automation system. I am looking into the MQTT protocol to communicate between an application AMD hardware (using ...
2
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0answers
11 views

FIWARE: NGSI-compatible sensors for IoT data gathering

I am preparing to conduct a research for IoT, collecting environmental data from different sources (temperature, humidity, light, air quality, GPS, etc...). What could the best set of tools or ...
2
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0answers
28 views

How to enable a device to follow you?

I am trying to find out what IoT devices I shall use to enable an device(say a small toy car) to have a ability to follow a particular person. So far what I have found: QR Code, print out the QR code ...
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0answers
57 views

Master selection process in an network

I am working on designing a dynamic system that contains some edge devices lets say 100 for the moment out of which one device has to be the master, that has some different task. So I have searched a ...
1
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0answers
28 views

Home Security professional service: What does “3rd party device integration” mean?

Doing research on professional monitoring services (in the US), some/many services claim 3rd party devices can be connected to their service. But it's unclear to me what level of functionality from ...
2
votes
1answer
21 views

Monitor plug socket remote from desktop PC

Planning a one off party event that involves turning mains lights on/off and then playing media on a PC connected screen. It need not be very fast and doesn't need to use internet but wifi is ...
7
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2answers
77 views

Searching local MQTT server on Local network

I have a micro-controller,ESP8266 for the moment, which is connecting to a mqtt broker and pulish some messages. I have configured mqtt broker on raspberry pi which has an IP address 192.168.43.164. ...
0
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1answer
36 views

Azure Service leverage IoT solution

We are working with an OBD-II device that we have directly bought from the manufacturer and want to create a platform for it. 80K+ devices will be used per year. The OBD-II device collects car ...
2
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0answers
23 views

Using alexa as speaker over lan

I would like to use my alexa as a speaker for my (windows)pc. My pc doesnt have bluetooth and alexa is not directly connected to my pc. Since the alexa is connected to the same router (via wifi) as my ...
2
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0answers
11 views

Using NodeJS to create custom Google Assistant triggers

I am creating a storage system where I'd like to have triggers as: Ok Google, Add 5 blue papers to paper box Ok google, Find blue papers Ok google, take 2 blue papers Basically custom triggers ...
4
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1answer
67 views

How to make a MQTT Broker and a REST API communicate?

I'm still very new to IoT and IoT protocols, so pardon my ignorance. I'm trying to go about creating a home automation system to control lights, read room temperatures etc. The user should be able to ...
1
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1answer
18 views

Why would MKR GSM stop transmitting data to IOT cloud after a certain amount of time transmitting fine?

The device connects to IOT cloud fine and transmits the data for days and sometimes even weeks, but then it will stop transmitting for apparently no reason. On the IOT cloud dashboard the device is ...
2
votes
1answer
27 views

Trying to read thermostat value controlled by Alexa with ESP8266

this is my situation: I have a thermostat in my bathroom which is controlled by Alexa. Now I want to automate my ventilation. For this I want to use a ESP8266 NodeMCU with a humidity sensor and a ...
1
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0answers
31 views

Are there still any cheap hardware solutions to providing IoT devices with cellular connection with the shutdown of 2g networks

I am currently attempting to design a small custom PCB based IoT business cards that communicate over a cellular network for the purpose of impressing employers. Since I will literally be giving these ...
1
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0answers
26 views

Should I make a custom bootloader? [closed]

I'm on a project where I'll use a BLE chip and I saw I can craft a custom bootloader. I don't think I'll need to make a custom one because it's just going to be a bridge to other chips (but aren't all ...
0
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0answers
5 views

How to connect a serial-device to OpenHab when using it as Snap in Ubuntu Core and RaspberryPi3

I'm configuring a rpi3 with Ubuntu Core Appliance OpenHAB (version 3.1 is the latest version of OH). When I connect my usb adapter for z-wave (z-stick gen5), Ubuntu recognise the USB and serial line ...
0
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1answer
22 views

How to fix this problem “connection to this site is not secure”? [closed]

I tried to access this website http://www.oaic.dz:9001/forms/frmservlet many times, but it denied me accessing (only white page) as it shows in the attached file (screenshot) I tried installing Java, ...
0
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0answers
14 views

Automate some MyDlink D-Link cloud actions

Edit TL;DR Is there an existing web API to control my D-Link cloud camera instead of using the mydlink Android app? I've check the D-Link forums and they're not very helpful... By control I'd like at ...
1
vote
1answer
25 views

Cannot transfer Files from linux machine to windows machine (via mqtt)

I'm running an MQTT Broker on my Windows machine using Mosquitto broker. I have setup a client on the same Windows machine through the Paho MQTT python library. Another client is setup using the same ...
0
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0answers
35 views

Current market leading LoRa modules for use in 3rd party solutions as of 2021 [closed]

While I appreciate that this sort of question will be outdated by next year... As of 2021, what are the current market leading LoRa modules for use within 3rd party designs. I mean off the shelf ...
3
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1answer
21 views

DDOS Protection in Open Source MQTT Brokers

I'm doing a research on DDOS protections in MQTT brokers and I started with open source Mosquitto broker. I couldn't find any countermeasure listed in the documentation page. Since my C language ...
1
vote
2answers
39 views

What automation platform should I choose for simplifying a commercial building?

Problem: I have an Airbnb type resort that I'm trying to upgrade. Whoever designed the lighting clearly wanted as much customizability as possible. Instead of having a single switch controlling all ...
1
vote
1answer
17 views

Check Home Assistant Health

My Home Assistant (RPi4) keeps crashing. I'm not sure why, but I need to keep it running. My first plan was to task another computer on the network (I have many...) to ping the HA RPi4 every minute ...
0
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0answers
47 views

Non-locally Electrically Programmable Logic Gates - Technological Advances Progress

Preface: I’d like to clarify that I understand what a relay is and that a PLC uses a fairly conventional microprocessor that only digitally establishes logical logic gate configuration as a digitally ...
3
votes
1answer
20 views

Does mosquito broker persist LWT messages to disk, so they may be recovered between restarts?

I have two RaspberryPis, one with the mosquito broker, and one acting as a client. The client has set up a LWT with the broker. After a power outage that affects both RPis, both RPis come back online, ...
1
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0answers
17 views

IoT Malware and Botnets

According to Wikipedia, A botnet is a logical collection of Internet-connected devices such as computers, smartphones or Internet of things (IoT) devices whose security have been breached and control ...
0
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0answers
8 views

Hardware firewall for home/business net

I’ve read about a few firewalls that plug in between the modem and router and sort the packets and data but that doesn’t seem like a firewall to me I’m looking something under $500 (even a DIY would ...
1
vote
1answer
23 views

Sending LoRa packets using LoRaWAN sensor device

I would like to measure temperatures using a LoRa device and establish a point-to-point connection with another LoRa compatible device. However, the only appropriate temperature sensors use LoRaWAN, ...
2
votes
1answer
36 views

LoRa point-to-point communication

I would like to create a point-to-point connection between a LoRa temperature sensor and a M5 Stack (ESP32) with LoRa module. However, I am a beginner with LoRa, so I have a few questions: Are all ...
0
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1answer
21 views

Raise a notification or alert on my Mac/PC as an IFTTT action?

I am developing some bespoke software which will send updates to a WebHook monitored by IFTTT, so I can receive notifications. I would ideally like to be notified on my phone and on my Mac/PC with a ...
1
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0answers
22 views

Registering GPRS device with carrier

I am trying to get a IOT device to communicate using GSM GPRS. Forgive me if I doing something that is blinding obviously not going to work here. The device is a weather station https://www.makerfabs....
1
vote
1answer
22 views

Are there Arduino boards that can be used as a small web server, supporting HTTPS?

I would like to control a relay from over the internet. I was thinking of making this using an Arduino and some wifi/ethernet shield. Searching the internet, I see a lot of shields and modules that ...
2
votes
1answer
29 views

ESP32 MQTT error

I have been trying to connect my ESP32 board to my laptop via MQTT. I have installed Mosquitto MQTT broker on my laptop but I fail to connect my ESP32 every time. This is the test code I am using to ...
3
votes
1answer
19 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 ...
2
votes
1answer
37 views

Can't Connect to ZigBee Devices (Raspberry Pi4, HomeAssistant, Docker-Compose, ConBeeII)

I'm stumped on this one - everything appears to be correctly configured and working properly...except that HomeAssistant can't discover any ZigBee devices. Adding the ConBee II appears to work just ...
1
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0answers
24 views

List of Drones with MAVLink support

I am starting to learn how Drone communication works and I think it would be best to buy one where I can use the Dronekit library. I've been searching the internet for drones that are compatible with ...
1
vote
0answers
24 views

Alternative for ESP23-WROOM-32D

A couple of months ago I designed a board with an ESP32-WROOM-32D (M113DH3200PS3Q0). Now on the Espressif product selector page they say it's not recommended for new designs! Questions: What is the ...
3
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2answers
63 views

How to monitor old machines?

I want to Monitor/report 5 water flow meter. My current flow meters give pulse signals. Details Small data deviations, connection failures is not an issue for me What's the simple, cheapest, up-to-...
1
vote
0answers
22 views

NFC Reader PN532 works after executing nfc-poll

I use Adafruit_CircuitPython_PN532 to read the card id with a PN532 on SPI. After booting my pi my script doesn't work. However, when I execute nfc-poll in a terminal everything works fine. My python ...
0
votes
1answer
28 views

SmartThings with 2016 tv UN55KS9000

My end goal is for the TV to work with Google Home, but since its a Samsung smart tv I have to first setup with SmartThings. Unfortunately, the new ST app doesn't have any option for the KS9000 model; ...
0
votes
0answers
32 views

Security concerns

I'm not very versed in WiFi technology and jargon, so please keep this simple. Suppose you have an item that you don't want to give access to your main WiFi network, for security reasons. Suppose ...
0
votes
0answers
18 views

SmartThings WebCoRE Piston alert only once an hour

I have a WebCoRE piston that looks something like this. if Device temperature changes then do Send SMS notification "Test message" to 1234567890; do Wait 60 minutes; else end if;...
1
vote
1answer
44 views

Is it possible to connect a PN532 with CP210 to Windows x86/64?

I want to use my PN532 as input device like a keyboard on my pc with windows 10. I have a PN210 USB to UART Bridge. Is there a way to use my PN532 on a x86/64 device?
2
votes
0answers
34 views

Are micron feature-size LIDAR sensors available?

I want to scan various writing materials such as card, cloth, various grades and qualities of paper, wood, even hemp-based or other writing surfaces. The reason is I wish to write a GPU-accelerated ...
6
votes
3answers
73 views

LoRaWAN collision and demodulation

In what scenario is it possible that collision happens between two packets. And if a collision happens, is it possible to demodulate? How? Regarding here it says there are two types of interference. ...
0
votes
1answer
28 views

mosquitto_sub and grep to trigger command/action

I can use mosquitto_sub to subscribe to broker for a specific topic, say test_topic, mosquitto_sub -h MOSQUITTO_BROKER_HOSTNAME -t test_topic I can also pipe grep for a specific keyword, say ...
1
vote
1answer
53 views

Architecture: MQTT and Fluent bit?

I'm working with industrial machines, not always connected to the internet in industrial environment. I'm new in IoT and for my current setup, I have 2 usage: analytics and live data. For the ...
2
votes
1answer
22 views

How to setup a one-writer, one-reader system between a python script updating data from my home computer and an RPI reading the data?

This is my first project involving IOT, or even very much internet protocol for that matter. THE SHORT: I have a few programs on my home computer that search for live stock price data continuously. I ...

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