All Questions

Which platform can you recommend for a LoRa/LoRaWAN remote sensor node, which fulfills the following criteria? Detects presence of people in 15-minute interval (e.g. with a RCWL-0516) Reports the ...

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 ...

I am a Master student and in my project I have to collect data from different types of sensors and send it to the cloud, I have done this with the DH11 sensor using existing examples and it worked ...

I have a esp8266 which consumes around ~70 mA when active. I am controlling a light connected to it. The deep-sleep can't be used here as the light has to be responsive to on/off signals. What is ...

Amongst the plethora of MQTT questions, I am wondering what are some alternatives to MQTT for when all messages sent to a topic need to be kept, and in a queue for a new subscriber. At my company, we ...

I'm an American who lives in Japan. I can speak Japanese reasonably well, but I normally keep my Google Home speakers and Google Assistant app set to U.S. English for ease of use. Now I'm thinking of ...

I'm new to MQTT so I'll try to explain my situation first and then ask some questions about MQTT. Basically what I'm trying to do is set up some sensors in two houses, A and B, and be able to manage ...

I am looking for a solution to provide internet connectivity to my iot device through a router which would not be affected by power failures (of no more than 3 hours). The options that I can see are ...

I tried the steps to install Kodi and setup as per the article http://www.thetips4you.com/install-kodi-turn-your-raspberry-pi-into-a-home-media-center-using-xbmc/ However I end up in black screen. ...

I have two different sensors connected to my Raspberry pi and I have to send the data to other device. The transmission of data is through wireless network. I have been asked to send the data in ...

I'm analysing the technologies for an iot device that would need to be installed in a commercial environment. The requirement is to install thousands (or maybe even tens of thousands) of small sensors/...

If I buy a google home in US and give it to a friend in Ethiopia, will it work if he speaks English to it or will the Ethiopian IP address cause an issue with the functionality of the google home ...

The standard IFTTT applet for time only allows me to set events every quarter hour. How do I set an event to trigger at 7:40 on Tuesday and Thursday?

As my introduction into an IoT project, I thought I'd build a simple home communication system for my family. It has been a very entertaining and eye-opening experience so far. My original plan was ...

I bought a smart watch (MS1020). I would like to set the date and time but I do not have a smartphone or an android device on which to install the associated app (Yoho Sport). Is there a way to set ...

I'm researching a network inside another that can't access the internet but can be accessed by the internet. I've seen terms like cascading and heard something like a "v" configuration but neither ...

I've recently been messing about with my Alexa smart speaker and smart plugs (TP Link) but I'd now like to take it a step further and use this functionality to control my garden lights. Does anyone ...

We are in the planning phase for a telemetry iot device with only occasional access to the internet. I found a lot of information online on how to store iot data in the cloud, what databases to use, ...

We are considering connecting a medical device into a hospital patient system we are developing. We are based in the EU and must adhere to the EU Regulation on the protection of personal data ...

What would be the most appropriate LPWAN technologies for environmental monitoring in a remote area, given the following: The monitoring system would be made up of 3 to 10 nodes located within a ...

I have an ESP32 wroom32 that has WiFi internally and an ethernet port. I want to be able to connect my phone to the WiFi and access a webserver running on the ethernet port. Schematically this looks ...

I'm not sure if this is the best place to ask but I will give it a try. I build mechanisms that are used in commercials, tv shows, window displays, multimedia art etc. They generally involve ...

I'd like to use my Raspberry Pi to emulate phone Bluetooth stack. I'd like to get it paired with car radio, simulate arriving/outgoing call, simulate SMS and the more alerts/notifications I can manage....

I have this idea of writing an app/something to make the gate, that we have in front of our house, smart. But I just don't know where to start. I assume that the gate uses IR because we have remotes ...

I need to transfer messages from node to gateway that would be at most 2km apart. I am currently working with 40 nodes that wake up every 1 minute. So I would like to have battery life of at least 3-...

I'm trying my first IoT project whereby I want to: have an electret microphone capture audio have an ESP8266 NodeMCU 12-E board submit captured audio to a remote server have a remote server receive ...

Am build new application for ESP8266. Then how can i connect my xamarin.forms application to esp8266 any reference and documentation for this. Already referred WIFIManager library in android many of ...

Has anyone experimented with DASH7? I am searching for a development board, which is proven to work with the DASH7 stack in the 433/868 MHz bands. There are, of course, the official development kits, ...

How to make Google Home Assistant to read information from a file? With one voice command I need GH to respond with a specific information from a file. When "Hey Google, what are the consumption for ...

I'm working on a project which is about designing an IDS for RPL Protocol. In this project I have to simulate different types of attacks (e.g. Black hole Attack) and RPL Protocol. I saw on the ...

Can Mqtt broker forward messages which have not been sent to any client ?

I’m able to find TV skills for Alexa, but none of them (that I can see) will check the schedule and remind you of your favorite TV shows. I know I can set a reminder for them, but if the show time ...

I bought these at different times, but thought I was getting the same thing. Which one is the fake? And if neither is a fake, which one is newer and/or better? The first one uses a CR2477 battery, ...

I have a TCL TV that works fine with the Harmony Hub; it can turn the TV on or off reliably regardless of if it is already on or off (I don’t have the “toggle” issue some folks have). The Harmony ...

Developing your own hardware is expensive. Our company has few requirements for our hardware. Cellular communication, GPS transmission and capturing acceleration. Since we need only max to 1,000-5,...

I'm trying make an IoT device which I want be a highly power saving one & want it to work in a remote static environment. So I plan to make a circuit with a "SARA" NB IoT module. Now I want to ...

I was just wondering how I would create a completely custom wifi alarm clock, what are the things I would need in terms of IoT? I would want to control it via a custom built ios app. I am trying to ...

I am currently using Home Assistant MQTT publish service from this the link below Link: https://developers.home-assistant.io/docs/en/external_api_rest.html The URL is: https:///api/services/mqtt/...

I'd like to install smart lighting in my home. I wish to use lights that can be dimmed, but I would also like to control the color temperature of some lights, and perhaps even some RGB lights or light ...

I am new to ESP32, and I had do the same project with Arduino and it's working fine, now I am trying the same project to control 8 channel relays with an ESP32 Wroom 32, but I am not able to choose ...

We had recently deployed a few Cellular IoT devices on the field, using SIMs from a certain provider (Airtel India). They had provided us with an APN, but we chose not to program our device with the ...

I am aware that there are many emerging standards and products all focused on making my internet-connected home accessible from anywhere. I am exclusively interested in a solution where there is no ...

I am running 2 ARM devices: devA is connected to Ethernet network with all of its NICs devB has the LCD, buttons and all this things for user interfacing, but no NIC and no RTC battery Both ...

I am aware that there is Azure IoT Hub palette in Node-red, which is specifically designed to interact with Azure IoT Hub. I tried that and it worked fine most of the time. However, due to an ...

I live in france. I have changed the language to English and the location to UK. I now have Alexa speaking English. However, I am having trouble getting echo to play BBC radio channels. Alexa cannot ...

I have a big doubt that I'm not able to solve. Basically, I want to understand how the smart device that I have in my home communicate with their servers, or better, how their servers can call its ...

I have a virtual switch set up through Hubitat that actually opens and closes my garage door. I can say "Alexa open Pete" and she will turn the virtual switch on which opens the garage door. Also I ...

I am setting up a DIY home automation, and just planning how my solution will look. I will have a Raspberry Pi 3 as the "hub" of the network It will run Node Red, MQTT (mosquitto), a DotNet website, ...

I am planning on making a button that is when pressed sets an alarm on my phone. I am planning on making an app that is creating the actual alarm, the app just have to be triggered by the hardware ...

Not sure how much better I can phrase it in the question but i'll try to explain to the best I can. What I am trying to do: Using IFTTT Webhook to POST a JSON message in MQTT Format. POST URL: ...