Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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Ceiling fans - Can I use a smart switch to control a dumb fan?

There are a handful of "smart ceiling fans" available that are really expensive (up to $500). Is there an easy way to just add a smart wall switch with a cheap dumb ceiling fan to get the same result? The fans in question are hardwired, not using…
Lee Whitney III
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Wifi wall volume "dimmer" switch to control chromecast audio volume

I want to develop a wifi enabled wall volume "dimmer" switch that can control the volume on a chromecast audio. I was thinking of using a Lutron Caseta switch and trapping the changes with a RasPi that would then control the chromecast. I am new…
An Old Guy and His Dog
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Prevent ping logging in Mosquitto server

Is there any way to prevent PINGREQ and PINGRESP to be logged, keeping all other log_type(s) active? I'm looking for a way to prevent only ping entries to be logged. Here is my mosquitto.conf: pid_file /var/run/mosquitto.pid persistence…
Dario
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Does Amazon Echo work in countries where Amazon is yet to launch Echo officially?

I am considering to get an Echo Dot in UK but will use in it a country where Amazon is yet to launch officially. Will Echo even work? If anyone from community has tried something similar can you please list what features on Echo are limited in…
sob
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Getting status from WeMo device using Alexa

I am using an ESP8266 to emulate a WeMo device with wemos and fauxmoESP arduino code found on the internet. Now that I understand the basic interaction of on and off commands, I'd like to add a status response for the state of some pins on the…
bob
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How to write/post files to website server through ESP 8266

I want to know if there is a way to send files to a website with sm ESP 8266 or any other IoT device. I intend that the IoT device will be the client. A PHP or scripting file on the website will act as the server. It will look like the IoT device is…
Jojo
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Which UK smart energy meters can be used as IoT sensors?

I want to know which Smart energy meters from UK suppliers can or cannot be used in IoT home-automation environment. Mainly, if I can add them as sensors in my home networks (Zigbee, Z-Wave, Wi-Fi, BT). The fact that they are "smart" to communicate…
sorin
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Can I call other Echo devices in my house?

Recently, Amazon introduced calling between devices with Alexa Calling. With this, you can ask Alexa to call other people who have Echo devices (and have enabled the feature). Is it possible to tell Alexa to call yourself, so that you could use it…
Aurora0001
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What do I need to make a smart plug work with Alexa and/or Amazon IoT

I live in France and I'm wondering which connected plugs would be compatible with Amazon Alexa (I have imported an Echo from England). I saw a reference to this question How to get Alexa to work with Wemo Switch? which mentions compatibility with…
Cyril Duchon-Doris
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How to prevent access to a Sonos system

I have a Sonos in a pub (although this applies to any public place which shares the wifi). The router (TP-LINK Archer VR4000) has a guest network and this is locked to not share the local network. It works as expected. The issue is, when using…
MyDaftQuestions
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What is the "event" of a AWS lambda-function, and how do I send one through the API Gateway?

An AWS lambda function has an "event" and a "context" as in parameters. The "event" is a json object. I try to connect an API (manager through the AWS API Gateway) to my lambda function, sending the json of the event as the body of an http POST.…
Bex
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Raspberry Pi to send sensor's data to server continuously and receive commands from server

I would like to design a system using Raspberry Pi that sends the sensor's data to server continuously and receive commands from server. Will MQTT suit my needs ? Is there any way to do so if I use Java on my Pi? Edit By continuously I mean that…
Shakti Phartiyal
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Should I use NFC, RFID or something else?

I'm a web developer - so IoT is not my speciality at all - and I've been asked to find the cheapest and most efficient way (in this order of priority) to build a gizmo for a sport event (can't be more specific). This is how it should work : A…
AdrienXL
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Do any of the existing smart thermostats have the ability to detect weather and suggest you open a window?

I'm sitting in bed with my windows open and my house is the perfect temperature. I do this every night I can up until mid may to save energy on my cooling bill. At the same time, I'm listening to my neighbours AC running at full blast while it's…
Sidney
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Reliable timers for always on/timed/off lamps

I have a ZWave light bulb and a ZWave 4-button wall switch, both connected to Domoticz installed on a Raspberry Pi. I'd like the following scenarios : Button 1 : lamp on for 30 minutes Button 2 : lamp off Button 3 : lamp always on Button 4 : summon…
Goufalite
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