All Questions

I have some questions about a new Arduino project I'm starting: Since Vodafone (Italy in my case) is shutting down 3G in 2021 (keeping 2G/4G up apprently), is ARDUINO MKR GSM 1400 still valid in next ...

I have a conceptual problem regarding the offload of resources in a network and the related application that run on top of this network. For example, In the case of Mobile Edge Computing offloading, ...

I am currently experimenting with IoT using a Raspberry pi 3 and Windows IoT core. I have orded the sensors but in the meantime I am simulating them by using hard codes values. This is all for a ...

How do I force Alexa to speak messages? For example everytime someone mentions Elon Musk on Twitter I want my Alexa to automatically speak the tweet.

I am working on a project that involves raspberry pi and the accelerometer sensor ADXL355. The raspberry's responsibility is to fetch the data from the sensor, filter only useful data and publish it ...

Does anyone have any good examples of IoT usage in the area of urban sanitation, particularly for low income settings?

I am developing a personal project at the end of which I should be able to create a homemade alarm system. All this should be protected against voltage drops/failures, the whole circuit will be inside ...

I asked "Alexa, what's the distance between San Francisco and Los Angeles?". Alexa replied "11,711.8 kilometers away", which is absolutely incorrect. Why does this happen? Am I ...

The WiFi of my Google Home Mini is dead after 1 year or so of use. Yes, I have tried everything to verify this (factory reset, Wi-Fi with password, without password, different bands, two totally ...

For Device Insight Centersight I could not find any API documentation. I was looking for an equivalent to the AWS IoT Core Documentation. Does someone know where I can find info about the API?

W.r.t. formatting the payload content of MQTT messages one usually sticks to standards like SensorML for distributed sensor networks or Sparkplug for IIoT. Are there JSON format schemas/standards for ...

W.r.t. formatting the payload content of MQTT messages one usually sticks to standards. In case the AWS IoT platform is used the format of the payload content is not pre-defined. There's just a best ...

I am new in the field of IoT OS and I saw TinyOS, Conitki etc. can be installed on top of Ubuntu. Its not clear to me how these OSes are able to run on top of Ubuntu without any Hypervisor? Can ...

It seems that my Mi Home app is not recognizing the Xiaomi Smartmi Electric Heater 1S. This is actually happening with two different Xiaomi heaters (same model). What I've tried so far, after ...

I modified my /etc/mosquitto/mosquitto.conf to start on a different port and also require username password authentication. I then started my service like so: /usr/local/sbin/mosquitto -c /etc/...

I've got a Yale Assure Lock SL with Z-Wave that I'd like to control with my new Google Home. I understand that the "unlock" command might be disabled for security reasons, but I'd at least ...

I need some advice. I am searching for a GU5.3 RGB bulb compatible with SmartThings. On Amazon sometimes descriptions are confusing! Thank You :)

I'm looking for a build your own or mod hack something like a POE ethernet passthrough that powers an Arduino IoT controller. I understand that what ever I am using will need it's own dedicated IP ...

Is it possible to get a digital input from ADC2 (GPIO - 0, 2, 4, 12, 13, 14, 15, 25, 26, 27) when wifi is enabled in ESP32?

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 ...

I have an ESP32 with OV2640 camera and a GY-MAX4466 amplified electret microphone module and I would be able to connect it to ESP32 to stream voice and video in realtime when I connect to its IP, ...

I'm looking for a basic light switch that works over WiFi to turn on a smart WiFi bulb. But the light switch will just be sitting on a desk next to a bunch of other equipment. Is there a WiFi smart ...

Periodically, I'll try to listen to a podcast with Alexa yet always get the same poor result. Until today. Now, it plays something called "no agenda ep.5" from Apple iTunes. Which is ...

I have tested my RF96W LoRa boards with the Lolin Boards, it works fine. However when I interface these Lora boards with a stm32f030r8t6 based controller, I dont receive any data, although I have ...

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....

Are there any smart lock products that are capable of sending out alerts: Alert via text/email when lock is opened with code Alerts when lock is forcefully opened Alerts when lock becomes unreachable ...

What I would like is a lightbulb that when I turn it on during office hours, it’s a bright white light. And when I turn it on at any other time it’s a dim warm light. I’d like to continue using the ...

I have a Nedis WIFIHTPL20FWT Smart conversion heater. It seems that I need to register to Nedis cloud service and only then using Nedis SmartLife App this device could be connected to my local WLAN. I ...

My Mosquitto broker stopped working and I think it might have something to do with me trying to use the same Raspberry Pi to run Tuya Convert. I know Tuya Convert installs a bunch of stuff and I'm ...

Many IoT systems have 3rd-party APIs people have reverse-engineered so they can add custom integrations, but these all work by impersonating the app, receiving updates from the server. If I'm on my ...

We know the score: you plug in your smart device, install some 3rd-party app to get it set up then control it via Google/IFTTT/whatever. But behind the scenes what goes on in terms of traffic? I was ...

I installed mosquitto for Windows, and ran the following command from command prompt as administrator: net start mosquitto I get the following message: "The Mosquitto Broker service is starting. ...

I have an IoT ESP32 device that needs to be configured through its softAP WiFi. When I enter the credentials of that network I get "cannot connect to network". I suspect that it's because ...

Some months ago I came to know that NASA has the fastest internet on the planet (with obvious reasons). But, my point is not that • I want to know why we commoners can't have such speed in our ...

Could someone help me to configure this https://github.com/smartHomeHub/SmartIR to use with Tasmota over MQTT? I have installed the addon with HACS and have generic IR flashed with TasmotaIR (when ...

I have managed to close my myQ garage door (a LiftMaster) (by Chamberlain Group) using IFTTT. Here's the setup myQ app on an iPhone IFTTT app on an iPhone myQ account subscribed to IFTTT the garage ...

I've currently been working with a consultant, whom recommended we utilize an architecture that is based off the Microchip ATMELAVR 8 bit Arduino framework. The board is called a Mayfly, picture ...

Most smart doorbells (e.g. Google Nest Hello doorbell) seem to require a wired connection. The Ring wireless doorbell looks like the most popular but compatibility with Google Assistant looks poor. I ...

I am a newbie to MQTT, I was wondering how could one prevent a client who is not running in the same processor, where the broker is also running, to connect with the broker. In other way, restricting ...

I would like to ask a question that I have about MQTT client broker communication. Let's say, a client C1 is connected to the broker with user name and password (with no encryption). What happens when ...

I have a Bosch Easycontrol thermostat and it's supposed to be compatible with ifttt. What happens though is that I click on the integration and no matter which action I choose, the field "which ...

I am working on a project where I have got an ESP32 device (Wifi & Bluetooth), which reads data from some sensors, such as temperature and soil moisture (outdoor environment). The data is then ...

I'm looking for a software tool for the monitoring of the IoT system in my building. Data inputs are accessible via MQTT or API requests (alternatively, directly accessing a InfluxDB time-series ...

I am new to this IoT protocol area. My understanding is that MQTT is a lightweight messaging protocol for IOT devices. MQTT over web socket involves use of HTTP to UPGRADE the connection to use web ...

I'm trying to build my own motorised roller blinds based off this project. It uses the Stepper_28BYJ_48 library. The problem I'm having is that the motor is either very slow and jittery, going forward ...

I have one nRF based 52840 device, which I am using to send the data by using BLE technology, my laptop has windows 10 and Bluetooth 4.0, which can detect the BLE but it cannot even connect to it. I ...

I am trying to search for anything to send my sensor data from Arduino + GSM SIM900A to a cloud server, preferably Firebase. Does anyone know how can I achieve this operation to Firebase or any other ...

Related question : (Dev) board to develop my own Amazon Ring(tm) -like doorbell. I am unable to find out if the TTGO T-Camera Plus has a speaker, though which I could play audio which the ESP32 ...

I am trying to program ESP01 module with cp2102 USB to TTL converter, I successfully programmed it earlier Using logic level shifter i.e. resistor divider on rx and providing 3.3 v externally ** My ...

I'm trying to create a Garage door sensor / motor controller and connect it to my instance of Home Assistant. My broker is the local mosquito on the Raspberry pi. The device is a Wemos D1 mini with a ...