Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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3 answers

What would be the best way of authenticating users without password or username?

In our project, there are over 200 dummy users who are not very capable of using mobile technologies or computers comfortly. The project is essentially a MRP & Production Planning solution with machines connected to the server. In the original…
paroxit
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7
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2 answers

Does an Internet of Things device need to directly connect to the Internet, or can they use alternative protocols like Bluetooth or ZigBee?

Can a device be considered an "IoT Device" if it uses protocols such as Bluetooth and ZigBee which are not directly connected to the internet? I've been reading about smart devices and connected devices that are not necessarily connected to the…
lp123
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Are there any surveillance cameras/devices that are EU General Data Protection Regulation (GDPR) compliant?

I recently came across the EU General Data Protection Regulation (GDPR) meant for data privacy regulation. The final Version of GDPR was released December/2015. Any surveillance camera or devices that are known to be fully GDPR compliant? Are there…
sob
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7
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Local and distant MQTT communication

In my project I have a set of sensors in a local network that should communicate with a Raspberry Pi 3 and then with a distant MQTT broker. Since I'm using ESP8266 for the sensor nodes I thought I would make the esp nodes MQTT clients that…
Yazly
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7
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2 answers

Is there an IoT device which has Bluetooth, GPS, a USB port and which can support a module for an alarm?

I'm looking for an IoT device which has Bluetooth, GPS, a USB port and which can support a module for an alarm. The end product is a wearable device therefore the device should be small. It should be something like an Arduino or a Raspberry Pi. The…
Muiz Uvais
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7
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1 answer

Maximum Bluetooth LE devices near each other without interference

I am planning to put 100+ Ruuvitag beacons(Bluetooth LE tranmistters) in a ~120m2 area. There will be approximately 1 meter distance between devices. I need to get their advertisements at once using Raspberry Pi Zero(each beacon will send data every…
CuriousGuy
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7
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1 answer

What is the working voltage range of a Sonoff Touch?

I would like to replace normal (mechanical) switches at home with Sonoff Touch ones, which I will be able to manage. Today I have this: and by adding the Sonoff Touch I will have that (P1 is the WiFi module, the whole dashed box is the Sonoff…
WoJ
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Lo.Ra and Lo.RaWan: Why is a gateway needed?

As I was looking information regarding Lo.Ra and Lo.RaWAN over these…
Dimitrios Desyllas
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Connect NodeMCU 0.9 to WPA2 Enterprise

Is there a way to connect to a NodeMCU 0.9 to WPA2 Enterprise like Eduroam? Now I'm using the Arduino IDE 1.8.5 with the library: ESP8266WiFi.h In this way I simply connect to a personal WPA2 with pre-shared key: #include const char*…
Timmy
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7
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When using LTE-M's eDRX mode, is the TCP connection still open?

We currently have an IoT device, that connect to our servers using a raw TCP connection over 2G, and from times to times the device send a "keep-alive"-ish message , as we've seen it's consume less battery rather than to reopen the connection…
sysko
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3 answers

MQTT Connection Using Keep-Alive > 5 Minutes Silently Disconnects on Azure VM Broker?

Summary of the issue: Connecting to test.mosquitto.org or iot.eclipse.org with a keep alive of more than 5 minutes, and everything seems to work just as expected. Connecting to my broker (both on Azure hosted VMs - one is Mosquitto and one is…
Nate Caleb
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Can I install Mycroft on Google Home?

I have been given a Google Home from a contest at work. I think it would be very useful if it didn't spy on my every word. I wonder if I can wipe the installed Chrome OS it is based on and install Mycroft instead. Open source all the way! Is this…
Jason A
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7
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1 answer

Should I keep open a socket between IoT NAT device and server?

I am implementing a light controlling with MQTT/node which consists of some elements mainly these: device (behind a NAT), server (mqtt/broker), client (web browser) Part of the architecture/process I came up with was: The device needs to open a…
bermick
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1 answer

How can I connect a local Arduino to my Google Assistant without relying on cloud services?

I want to make a product, which consists of an Arduino connected to my local Blynk server (an application which allows me to control my Arduino using my smartphone). I want it to connected to my Google Assistant on my phone. To do that, I can use…
Sanjay .S Kumar
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7
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1 answer

Do hue light bulbs remember your routines after a power outage?

Do hue light bulbs remember your daily routines after a power outage? I noticed, for example, that when I have a go to sleep routine running, and the lights are dimmed, if I accidentally turn them off and on from the regular light switch, they turn…
BinaryBurst
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