Aurora0001
  • Member for 5 years, 1 month
  • Last seen more than 1 year ago
Automatically open a garage door when approaching by car?
9 votes

As noted by Sean Houlihane in a comment, you're looking for geo-fencing: A geo-fence is a virtual perimeter for a real-world geographic area. [...] The use of a geo-fence is called geo-fencing, and ...

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Where can I harvest energy in my home to power my wireless sensors?
6 votes

You. The average human produces 100 watts of power at rest. That's enough to power about 6 laptops (assuming the estimate of 15 W for a low-end laptop) if you can convert 100% of the power you ...

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How does the Roost Smart Battery connect?
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2 votes

From the context, I believe it is referring to interconnectivity with other alarms in the house. From earlier in the article: Most important, an alarm should connect wirelessly with other alarms in ...

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How can I handle IP addresses changing when the router reboots with Home Assistant?
5 votes

Every networked device connected to your router has a MAC address, which is specifically linked to one device, unlike local IP addresses in your private network, which are assigned by your router and ...

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How can I change Alexa's pronunciation of a specific word in a skill?
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4 votes

Alexa supports SSML, which is an XML-like markup language for speech. Instead of returning plain text from your service, you can use SSML responses. The <phoneme> tag is what you need in ...

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Is it a bad practice to keep certificates on external memory?
10 votes

A little bit of context Since you're using MQTT with AWS IoT, you're expected to use X.509 certificates for authentication and security. Amazon have a little bit of guidance about how you should ...

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Alexa or Google Assistant "Find My Phone" integration with Android Device Manager?
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4 votes

Although it's not ideal, you could use two IFTTT recipes to allow you to call your phone: one to set the ringtone volume to maximum, and one to actually call the phone. It's a little more involved ...

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Should I use special characters in MQTT topics?
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8 votes

Goufalite is entirely correct about this problem: it's not a technical issue at all, just a naming problem, so a lot of the advice is very opinionated based on the author's idea of what names are best....

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Why do I need hubs for some devices when automating my home?
11 votes

Generally, you need a smart hub when some of your devices don't use Wi-Fi and can't communicate with your home network directly. Quite a lot of devices, especially sensors and actuators (like door ...

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How can I aggregate QS data from different sources on one and unique dashboard?
4 votes

It probably won't come as a surprise to you, but it doesn't seem like there are any pre-existing solutions which can link your devices together. However, since you said you were interested in custom-...

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Are there any IoT outdoor lighting sensors?
5 votes

You did specify that ideally you didn't want a hub, but I think you'll either have to compromise on that if you want IFTTT to be able to integrate with the sensor. If you're open to a Z-Wave sensor, ...

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Automatic link failure detection methods in ZigBee networks
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4 votes

From what I've found, it seems that some implementations (e.g. TI's Z-STACK) recommend refreshing the routing table every so often to avoid 'dead' nodes: Yes, I waited 5 to 10 minutes. What is "...

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Will changing my user name and password block Mirai attacks?
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5 votes

Mirai's source code has been released in public, and Jerry Gamblin has kindly created a GitHub repository so that you can easily look through the code for research/academic purposes such as this. I ...

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Why would IPv6 be necessary for the IoT?
14 votes

IPv6 is a necessity now; we're nearly out of IPv4 addresses already. As more and more people come online, we're starting to reach the point where IPs have to be shared across multiple people, not just ...

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Which microcontroller and programming language should I use for an Internet-enabled weather display?
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6 votes

Personally, I'd select a Raspberry Pi 3B for this, although it's probably far more powerful than you really need. The reasons for me suggesting this are: It has built-in 802.11 b/g/n Wireless LAN, so ...

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Are Samsung's "S Health" devices storing health data in the cloud?
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7 votes

Rather a lot of personal information is collected, according to the Privacy Policy. Here are some of the more sensitive pieces of information collected: When not logged in Birth year Gender Height, ...

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Can I ask Alexa to turn off its microphone by voice command?
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20 votes

It appears that there is no way to mute the microphone by voice at this time, as you suggest; this Reddit thread confirms this, but unfortunately I couldn't find an official Amazon source for it. The ...

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What is the power implication of encrypting my sensor traffic?
10 votes

There are a variety of encryption methods you could use to secure your traffic, and each one has a slightly different power usage, so I'm going to pick a couple of popular choices. The methodology I ...

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Is Bluetooth 3.0 suitable for a single-master multiple-slave network?
8 votes

From the perspective of power usage, Bluetooth 3.0 does not seem like a viable choice, given your constraints. Let us assume that you want to transmit data for 2 seconds every minute, and then sleep ...

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Are there MQTT brokers that persist QoS 1/2 messages to disk?
6 votes

HiveMQ seems to provide various options to persist session data, including QoS 1/2 messages. The persistence options are listed here: File persistence In-Memory persistence By default, HiveMQ will ...

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How does EMQ persist QoS 1/2 messages?
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6 votes

So how does EMQ persist QoS 1/2 messages until delivery, i.e. a reboot of the broker or with respect to memory limits? The answer seems to be: it doesn't. This issue on their bug tracker says: I ...

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How can I dim or turn off the light of the Philips Hue bridge itself?
8 votes

The Philips Hue developers have confirmed that this is not possible. Just like most routers, the LED status lights are not togglable by the user; instead, you will either have to put the bridge ...

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Can you setup Alexa to remind you about calendar events?
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5 votes

Alexa can now support reminders: You can now say “Alexa, remind me to take out the trash at 6PM,” and it will notify you at the proper time. Alexa still lacks context for AM / PM reminders and ...

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Extreme modification suggestions for a Wi-Fi enabled hairbrush?
5 votes

At first glance, I was expecting the brush itself to be powered by a motor, which would have provided lots of scope for reusing the device. Disappointingly, this doesn't seem to be the case - the ...

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How do I train my Amazon Echo to understand my voice more accurately?
8 votes

In the US, you can use the Voice Training feature in the Alexa app. The option can be found by going to the Alexa app, selecting Settings, then Voice Training, then Start Session. You will then be ...

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How can I easily configure Wi-Fi on a smart device without a screen?
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8 votes

Some devices support connecting to a router through Wi-Fi Protected Setup (WPS), which is a feature of most modern routers to allow any device to connect to your network (with a limited period of time ...

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What connectivity protocol did the Carnegie Mellon University's Coke Machine use?
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11 votes

The Coke Machine, rather amusingly, has its own website with a bit more information on its history. The Ancient History document explains how the original Coke Machine operated: The final piece of ...

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Is it better to control smart lights or smart light switches/fixtures?
Accepted answer
12 votes

There are a few aspects to consider, and the answer will depend a lot on your exact situation. Customisation Smart switches will allow far more choice in lighting overall, since you can use any bulb ...

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Can you teach Alexa a new skill by voice?
Accepted answer
10 votes

It is possible to enable any skill by voice, provided you already know the name of the skill. The Amazon documentation for adding skills is relatively straightforward: If you know the exact name of ...

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How can Amazon Echo Dot be made for families with children (parental control)?
6 votes

As of May 2018, parental control is available as a built-in feature of Alexa. Designed just for parents and kids, FreeTime on Alexa brings all-new Alexa features and parental controls to Echo, Echo ...

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