Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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LoRaWAN remote sensor node platform

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 data also in 15-minute interval (alternatively…
typo
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How do I set an IFTTT event to fire at specific week days at 7:40?

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? Specifically activating a Philips Hue blinking.
Christian
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2 answers

Building a special effects rig

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 electronic control over relays, solenoids, stepper motors,…
Mike C
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What to do with in-wall switches for ZigBee setup

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 strips. This means that my lights or light bulbs…
Nakedible
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Using Raspberry Pi as a Lora Node for a TTN setup

I already have a LoRa gateway that I made using a NodeMcu with ESP8266 and now I want to send data from a Raspberry Pi 3 through that gateway to the TTN. The first thing that I did was to connect a RFM95W to the Raspberry Pi, (with success, since…
user7604
4
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1 answer

RESTapi and MQTT Broker

Question: What I'm trying to do is to get the REST API to be able to publish to my Mosquitto MQTT Broker (which is also hosted on my Pi on Port 1883) via IFTTT Webhook. Context I've built a webapp using ASP.NET Core and it is being hosted on my…
Eric Lim
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ESP8266 - Device doesn't support that

I'm using and trying the new Echo Dot generation (3rd Gen) to control a ESP8266 following some tutorials. For now I just want to change the state of a relay using the SetBinaryState action. But after discovering the device, if I try to turn it on, I…
cuoka
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Can I trigger Alexa to respond based on an API / Job call?

I have a requirement where I would like the Echo to trigger a conversation using an API that I have. The API is running on the web server and based on a condition it should trigger the Echo device (Alexa) by prompting a question to the end user of…
iomca4u
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Germany Alexa skills with a UK amazon.co.uk account

I have a UK amazon.co.uk and Audible account with all my Audiobooks and I like speaking to Alexa on my Echo in English. Now I have moved to Germany and I cannot seem to get German Alexa skills (from amazon.de) while signed on to my UK account. I do…
Robert
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IoT app and software

I'm new to IoT and this is my first project, I didn't find the answer to my question anywhere. Is there an app for Android and Windows software that can control an Arduino device from different places at the same time? It has to have dynamic IP…
Anya
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Using excess power from solar station to automatically power a pool heater in another location

I have a solar inverter (Fronius Symo 15.0-3-M) and a pool heater (AstralPool Heat II). I want the heating to turn on when there is excess power from the solar power station so that the excess electricity don't go back to the grid. So to achieve…
Dani Dacapo
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Control electric plug remotely

I have an electric water pump, which I want to control over the internet. Currently I know that smart plugs can be used but this requires me to be in the same WiFi network. Are there any smart plugs or ready made solutions where I can control the…
AutoMEta
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If XBee modules from Digi use Silicon Labs chips and their stack, why then would I need them?

I recently came to know that XBee modules from Digi use Silicon Labs chips and the Silicon Labs ZigBee stack, so I ask, if I can use the Silicon Labs chips directly with Simplicity Studio as well as the ZigBee stack to create a ZigBee device, why…
m4l490n
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Connect to I/O remote through VPN router

I have two I/O remotes hooked up to a router running as an OpenVPN client. I am trying to connect to the devices from remote, but it is not working. The VPN connection works fine, and I can access the router's web interface from its public…
user2868900
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Is static IP needed if using VPN to connect to IoT devices?

I have an IoT solution that I need to connect to from remote. I don't have access to open ports nor set static IPs on-site where the IoT devices will be hosted so I was looking for other solutions. An Idea is to use a VPN-box where I connect the…
user2868900
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