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5
votes
1answer
2k views

Lyric T5 does not respond to commands via Apple Homekit [closed]

I have a friend who has a Lyric T5 Wi-Fi thermostat which he was controlling from his iPhone via Apple Homekit. Recently, all commands from his phone stopped reaching his device, demonstrating that ...
8
votes
2answers
3k views

TrackR keep ringing on its own

At the beginning of 2014 I purchased a couple of coin sized TrackR devices to tag my belongings, so I can easily find them. I use an iPhone to connect to them. My main problem using these devices was ...
13
votes
3answers
218 views

My home monitoring camera sends me thousands of e-mails every day

I've got a Linksys Wireless Internet Monitoring Camera (WVC54GCA with the recent firmware), which I've setup at home. I configured it to send me 5 second short videos to my e-mail on any physical ...
13
votes
2answers
15k views

What voice commands for Philips Hue lamps does Amazon Echo offer?

I'm thinking about getting some Philips Hue lighting equipment. I'm thinking of something along the lines of this one as a starter kit. I already have an Echo Dot. The marketing buzz is great and both ...
13
votes
1answer
1k views

What, exactly, makes SPECK and SIMON particularly suitable for IoT devices?

For some IoT devices, the data that needs to be sent is confidential, and hence sending it in plain text is not acceptable. Therefore, I've been considering how to encrypt data sent between IoT ...
12
votes
3answers
776 views

How can I do incremental updates with a flash that can only be erased block-wise?

Scenario I want to update a low cost IoT device over-the-air with new firmware updating the device's microcontroller(s). The microcontroller memory is flash memory in the 32k to 128k range (every ...
14
votes
1answer
153 views

Use cases of the "Release Event" on a smart switch

I have a Nodon Z-Wave remote (user guide). It has 4 buttons which can react to 4 events : Single press Double press Long press Release The three first are pretty straightforward. But the "release" ...
12
votes
3answers
626 views

Does XMPP have a large overhead for IoT devices sending short, frequent messages?

I've been reading about XMPP as a potential communications protocol for IoT devices but, after reading one source, I'm unsure whether it's really an appropriate protocol if you're concerned about ...
28
votes
4answers
4k views

How can I check if my IoT devices are infected with the Mirai worm?

I've recently heard about the Mirai worm, which infects vulnerable routers, IoT devices and other internet-connected appliances with insecure passwords. Mirai is suspected of being the cause of some ...
17
votes
3answers
173 views

Is the Subscriber-Publisher pattern applicable also to actuators?

There are tons of tutorials on the web, especially with RabbitMQ, on how to publish sensor data; for example, temperature, humidity, etc. Just publish the value to a message queue and anybody can ...
5
votes
1answer
242 views

How can I monitor IoT devices in real-time while on a plane?

As a frequent traveler (for work and research), currently, a lot of this travel is by plane. While in flight, I have to have my devices (that are with me obviously) in flight mode. This is a standard ...
9
votes
1answer
107 views

What capabilities does my Home Connect appliance provide in the developer SDK?

The smart household appliances that can be controlled via Home Connect can also be accessed via a developer SDK provided by the Home Connect Service provider. How can I find out what I will be able to ...
22
votes
3answers
6k views

Repurpose ADT sensors

My wife and I just purchased a new house and the ADT Security sensors were still installed, but no keypad panel. After speaking with a Rep on pricing and logistics, we decided not to continue the ...
17
votes
1answer
315 views

Is there a way to turn on large numbers of IoT devices remotely?

I have a lot of IoT devices that I am currently working on (read playing with). One of my biggest headaches is turning on the ones I need without climbing under my desk and plugging in a lot of wires. ...
2
votes
2answers
734 views

Are there any IoT devices with fully open source hardware? [closed]

Raspberry Pi is broadly used for IoT, and there is a lot of software for it. But I would like to know about any completely open source designs, including software and hardware (PCB, not components). ...
36
votes
5answers
4k views

Is there a fully open source platform for IoT presentation and visualization?

I have decided to use the AWS IoT communications platform in order to talk with our sensors. However, when it comes to visualization, I was hoping it wouldn't be necessary to reinvent the wheel. As ...
13
votes
1answer
328 views

Connecting Proximity beacon with Mobile App

We are planning to implement a proximity beacon network which provides information to the users app based on proximity in the store. Our objective is to cover a radius of 5-7 metres. Which protocol ...
10
votes
1answer
126 views

Data connection issues during when working with IoT devices

Following my previous question here, what are solutions to overcome issues with the data connection (i.e. data out off-quota or I'm out of coverage) during the work with my IoT devices. Especially ...
18
votes
2answers
4k views

Making Amazon Echo / Alexa work outside of US, UK, Germany and Canada

According to Amazon Echo's Wikipedia page, they're only available in the US, UK, Germany and Canada. Echo's Achilles heel is Amazon's unwillingness to look beyond the US. - The Australian However,...
22
votes
1answer
172 views

Can I use my Pebble to interact with Belkin Wemo devices?

My house makes heavy use of Belkin Wemo switches and bulbs. I would like to be able use my Pebble to turn on a number of devices. There are apps that will integrate with Wemo, but they require a ...
15
votes
1answer
901 views

What is an “Embedded Agent” in reference to a Low Powered IoT Edge Device?

Question: What is the underlining design behind an “Embedded Agent” in relationship to low powered Internet of Things (IoT) edge devices? Some of the IoT cloud service vendors keep referring to ...
20
votes
3answers
1k views

Confusion about client-server connection establishment in MQTT

According to the specifications, it is always the client who should establish connection to a server. Client: A program or device that uses MQTT. A Client always establishes the Network ...
5
votes
2answers
133 views

How reliable is location tracking of shipments? [closed]

I was reading about the tracking of parcels and other shipments, being a primary example of IoT applications. But I'm wondering about how reliable and precise the positioning would be. I have the ...
11
votes
3answers
3k views

Difference Between ZigBee and Z-Wave?

I've have installed Z-Wave switches and outlets in a few places around my house. However, I noticed when purchasing the devices that there were a couple of different wireless options available in the ...
4
votes
2answers
600 views

Can I implement FAT on a microcontroller to access USB/SATA drives? [closed]

I am interested in connecting a 3.5" hard drive to an IoT device that I am building based on a microcontroller (e.g. an Arduino) which doesn't run a mainstream operating system. As far as I know, to ...
2
votes
1answer
201 views

What are the the NB-IoT, LTE Cat-M1 and EC-GSM-IoT standards created by 3GPP? [closed]

I read an LPWA (Low Power Wide Area) article recently that referenced the recent completion of the NB-IoT, LTE Cat-M1 and EC-GSM-IoT standards by 3GPP. It seems that this agency specifies the ...
25
votes
1answer
710 views

Is CoAP still used for IoT devices?

I did a prototype project for work a few years ago that utilized the Constrained Application Protocol (CoAP) for communicating with an Arduino board over a mesh network, but we put the brakes on the ...
34
votes
7answers
2k views

What classifies a device as IoT?

IoT stands for Internet of Things. Would a fitbit or device that connects to a mobile phone or computer through Bluetooth the be considered IoT? What about radio controlled devices? What classifies ...
16
votes
2answers
6k views

How can I implement MQTT on an STM32F030K6T6?

The controller in question is an STM32F030K6T6, which has an ARM® 32-bit Cortex® -M0 low power core, 32 kB Flash memory and 4 kB SRAM. It interfaces an SIM808 for Internet connectivity. The resources ...
38
votes
5answers
3k views

Can I monitor my network for rogue IoT device activity?

In order to mitigate or manage the risk from having some of the devices on my home network compromised, is it feasible to monitor network traffic so as to detect a compromise? I'm specifically ...
11
votes
3answers
203 views

Can I send my GSM IoT device via airpost? [closed]

Is legal to send my GSM IoT device which is powered by a ~2000 mAh (3.7 V) lithium polymer (LiPo) battery via air post? (Or even take it with me inside my suitcase?) Also does it make a difference if ...
11
votes
3answers
267 views

Testing the success of Over the Air updates [closed]

What is the best practice to ensure an IoT device has been updated successfully? What do you need to do in order to test OTA updates and authenticate devices? Taking it a step further, how can you ...
12
votes
1answer
268 views

Reusing / recycling a Petzi Treat Camera?

A few years ago I helped crowdfund a Petzi Treat Camera to feed my pet. Due to a broadcast pushed firmware update that I missed, it was rendered unusable. Thankfully, they did however send me a ...
29
votes
5answers
2k views

When to use Wi-Fi over Bluetooth or vice versa in an IoT system?

Basically when it comes to IoT, the two main communication methods which come to my mind are either Bluetooth or Wi-Fi. I know that there are others as well like ZigBee, Z-Wave but I would like to ...
23
votes
7answers
1k views

How do I shut down IoT devices without a power button?

A lot of devices, such as connected fridges, security cameras, Raspberry Pis, Arduinos and my Nest thermostat don't have power buttons. What is the preferred way to disconnect them from power? What ...
9
votes
1answer
595 views

Best practices for secure Over The Air updates [closed]

What are the best security practices to follow when issuing an OTA update to a fleet of IoT devices? What are the significant causes for concern? For example, preventing an update from being ...
11
votes
1answer
575 views

Should I build isolated networks for IoT devices vs. regular computers? [duplicate]

In a home environment that will have both traditional computing activities (desktop and laptop computers, NAT storage devices, printers, etc.) and IoT devices (internet connected thermometers, ...
42
votes
6answers
12k views

When and why to use MQTT protocol?

I am developing a device which measures temperature, humidity and mass. Currently it uses HTTPS to upload data to a remote server. Now I know that there is a protocol called MQTT which is claimed to ...
-7
votes
1answer
338 views

How to Enhance the Voice Recognition on Raspberry Pi controlling Smart Home Devices [closed]

I have a Raspberry Pi running Jarvis, a personal IA that I can use with my voice to control my smart home devices. However, the voice recognition is far from perfect. They have a list of speech-to-...
17
votes
1answer
966 views

Secure Home Network Partition for IoT Devices

What is the best approach to partitioning IoT devices from non-IoT devices at home? I have heard that setting up separate networks, one for IoT devices and one for everything else, is a good ...
7
votes
1answer
88 views

How could I create an LPG indicator? [closed]

The LPG gas is commonly used for cooking, and it is a very common practice to cut off the gas supply by closing the valve. Suppose I am away from my home and I forgot to check whether my LPG supply ...
36
votes
4answers
3k views

What is the difference between IoT and "Industry 4.0"?

When reading about IoT, I often stumble upon the phrase "Industry 4.0". But what is the exact definition of it? Is "Industry 4.0" just a phrase for an IoT application in an industrial environment?
13
votes
4answers
2k views

Securing 433 MHz wall light switch

I'm planning to use a simple light switch, that is placed on the wall. The switch gets power from the battery or piezo and sends unique sequences of data (on on- and on off-events) over 433 MHz to the ...
-1
votes
1answer
145 views

Can't have a reliable connection between my mobile devices and my TV both through Chromecast and Apple TV [closed]

I have a Chromecast and Apple TV connected to a Phillips TV through the HDMI ports. The Wi-Fi router is on another room on the same floor. The devices are Android phone and iPad Mini. I was able to ...
19
votes
2answers
2k views

How do I secure communication between app and IoT device?

I am currently working on a project that includes Bluetooth communication between a mobile application (currently using the Ionic platform) and an embedded device. For comparison, our product is ...
30
votes
3answers
1k views

Intercepting web traffic going over cellular network

If you can plug a device into the wall, or use it in Wi-Fi, it's easy to see the traffic with software like WireShark. But it seems more tricky to do it with a device that uses LTE/3G or other ...
21
votes
3answers
618 views

Safety of a smart switch on a fireplace

Would it be unsafe or considered "bad practice" to replace a gas fireplace switch with an IoT enabled smart switch? I would like to think there would be no issue, but, I want to make sure that it's ...
29
votes
3answers
677 views

What are the best security practices to secure a remote IoT camera?

I have done a bit of home automation such as building a remote camera that can be turned on via SSH locally and publishes images on a Raspberry Pi run Linux server. I'm curious, though, as to what ...
8
votes
1answer
337 views

Is Shodan, the IoT search engine, really reliable? [closed]

As far as I can see, Shodan seems to be choosing the IP and ports randomly from a list. Is this really the best way to scan the entire internet for IoT devices?
54
votes
8answers
2k views

Securing small home automation setup

I have a small home automation lab (that I keep saying I'll expand, but haven't). In this setup, I have a control system to control lights (utilizing the x10 protocol), blinds, a Nest thermostat and ...

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