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24
votes
1answer
713 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 ...
33
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 ...
15
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 ...
37
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 ...
10
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 ...
10
votes
3answers
268 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 ...
11
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 ...
28
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 ...
22
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 ...
8
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 ...
10
votes
1answer
579 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, ...
41
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 ...
-8
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-...
16
votes
1answer
975 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 ...
6
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 ...
35
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?
12
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 ...
-2
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 ...
18
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 ...
29
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 ...
20
votes
3answers
622 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 ...
28
votes
3answers
685 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 ...
7
votes
1answer
338 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?
53
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 ...
17
votes
1answer
279 views

Adding Devices to Samsung SmartThings

I've got the Samsung SmartThings system installed in my house, but I've encountered a few situations where a new device (e.g. an in-wall outlet) couldn't be found through the SmartThings App on my ...
12
votes
1answer
162 views

What are the differences of the Open Connectivity Foundation membership levels?

Can someone explain to me the differences between Diamond, Platinum and Gold membership at the OCF?
24
votes
3answers
849 views

How can I properly test my device's PCB antenna?

I'm in the middle of testing a Z-Wave device I created with a PCB antenna. I want to make sure that the antenna has a good range and the signal strength generated is strong enough and comparable to ...

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