Internet of Things Stack Exchange
Internet of Things Stack Exchange

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Can One-way SSL secure an IoT device?

I am considering an IoT device connected to my local network (default settings, no VPN, no NAT, no DMZ) with or without Internet access. My device will run as a HTTP server offering a RPC mechanism with authentication and authorization. It…
valentin
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Is there a way to preserve the MQTT QoS level until it reaches the client?

MQTT allows senders to set a Quality of Service (QoS) level, which provides certain guarantees about whether a message will be received (and whether duplicates are permitted). This article from HiveMQ highlights the problem of downgrading, where a…
Aurora0001
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Can I play sound from my computer on an Echo Dot?

My computer speaker is terrible. Can I set up so that if I play something on my computer, the sound comes out on my Echo Dot 3rd Generation?
Gerrie
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What makes Ubuntu Core's "Snaps" better than normal packages for IoT devices?

Ubuntu Core, Canonical's latest version of Ubuntu for IoT devices, says that its new Snappy package manager is ideal for the Internet of Things, and Wikipedia says that: Snappy packaging has been deployed in internet of things environments, ranging…
Aurora0001
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Possible to assign a default "light" to a given Echo device?

My setup: I have an Echo Dot in my master bedroom which is connected to my SmartThings hub. I have a GE In-Wall Smart Dimmer switch controlling the overhead lights (Z-Wave) and a Sengled Element Classic (ZigBee) bulb in my walk-in closet. I…
Jason Clark
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How to link device with user?

I'm trying to learn IoT development using an Arduino and Amazon's menu of services—Alexa Skill Kit, AWS Lambda, and AWS IoT. I've been able to get come a long way, but when I think about implementing these for like a fleet of devices, I can't figure…
user5468
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How to get Google Home assistant to read a value from the Internet?

Using IFTTT, I am able to send POST REST requests, which then it is able to flip the lights on/off on my Raspberry Pi. I can make a GET REST request (using postman) to get the value of the light, but I can't seem to figure out how to get google…
MicroSumol
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How do Smart Home Security Boxes work?

With the increased security risks against IoT based smart homes, many security appliances have been commercialized. These appliances or boxes claim to protect the home network from malware, cyber-attacks, and preserve consumer’s data privacy. There…
BiG_TooTh
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Ambient lighting with IKEA Tradfri and Apple HomeKit

I have the IKEA full color spectrum smart bulbs and I'm very happy with them. Technically they are regular zigbee bulbs. Today I control them with homekit, see "Today." What I want is to use the video out of my Mac Mini as input for the light's…
Jon Ramvi
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Calculate velocity and direction on microcontroller or on remote server?

Assume that I have a device attached on a car which includes an MCU, and a SIM908 module. The SIM908's function is to receive GPS data from satellites and then send them to the remote server through 2G/GPRS once every minute to display on the web.…
juggernaut156
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SIM5320 MQTT TCP connection closing unexpectedly after time

I have been working on an MQTT protocol using the SIM5320. I am familiar with the AT command documentation, and have a working implementation with an Arduino. I open a network socket with AT+NETOPEN Then I open a TCP connection with…
Boris Deletic
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Alexa for Business - Using Alexa for conference room

I am trying to configure the newly released Alexa for Business module for my Echo Device. I followed all the steps suggested in the videos released by Alexa. However I keep running into the problem "Sync in progress" for the Echo device settings and…
praveen kypa
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Is there any way to access local server from outside without port forwarding?

Situation I need to access an ESP8266's Wi-Fi local server from outside. Like Xiaomi Yeelight (YeeLight Introduction Web Site Link) or LOHAS LED (LOHAS LED Web Site), I have to control it from outside not in same Wi-Fi. I can only think of port…
Josh
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Reducing the number of Hubs in a DIY Smart Home Automation project?

I'm doing some very basic automation - lights, cameras, motion sensors. My key requirement is to be able to turn certain lights on or off based on motion and time of day, with the ability to add more complex logic later via custom programming. I…
Alex R
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IOTA on Arduino or Raspberry Pi or Similar Board?

I'm new to the world of IoT, I don't even have an Arduino or similar board yet... but I am very interested, especially with cryptocurrency such as IOTA making such things potentially profitable. Sadly, this also seems like a really new field too,…
Serj Sagan
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