Hot answers tagged

15 votes
Accepted

In IoT, Is it necessary to involve single-boards such as Raspberry Pi as the only communication devices?

The device itself isn't really particularly important here. While the boundaries between 'IoT' and just a normal network connection are a bit fuzzy around the edges, the general consensus is that the ...
user avatar
11 votes

Good microphone for whole room (without Internet)

The Google Home and Amazon Echo use microphone arrays to enhance 'far-field recognition' (i.e. recognising your voice from a reasonable distance with good accuracy). The Echo uses a 7-microphone ...
user avatar
8 votes

Good microphone for whole room (without Internet)

Aurora0001's great answer got me doing some more research and I found some really good information on a lot of mic arrays, including benchmarks. Seeed ReSpeaker Mic Array Conexant 4-Mic Development ...
user avatar
  • 391
6 votes

In IoT, Is it necessary to involve single-boards such as Raspberry Pi as the only communication devices?

Short answer is NO, IoT is really a concept about "things" communicating (usually over the internet) with other "things", by this definition a phone can just as easily be a thing as a raspberry PI, ...
user avatar
6 votes

Read and Send Orientation Sensor Values from Android to Arduino

I'm not sure why you're checking for z's and so on but your first else if clause ensures that none of the clauses in the rest of the block is ever executed. else if (state != 'z' && state!=0)...
user avatar
5 votes
Accepted

Can an Android phone do the same things as Google Home (Mini)?

If the phone is new enough to run a version of Android with full Google Assistant then it should work for most things. The main points that differ will be: The microphone on the phone won't be ...
user avatar
  • 12k
5 votes

Query my location from home

How about something like Owntracks + Node-RED with the geofence node. Owntracks runs on your phone and can upload your location to either a MQTT broker or a HTTP server. Node-RED can either subscribe ...
user avatar
  • 12k
5 votes

Philips Hue App - out of home control sign-in problem

Probably an old Android version on the phone. You need Android version 7.0 or higher. With Philips Hue app version 3.30 or higher. 3.30 is automatically installed by Google Play depending on the ...
user avatar
4 votes

Philips Hue App - out of home control sign-in problem

I had the same problem. Download the .apk from the internet and install it. https://philips-hue.apk.gold/android-6.0 That should solve your issue.
user avatar
3 votes
Accepted

How can you send location based push notifications to all android/ios devices that enter range of an IOT device

This is exactly what BLE beacon technology does. It requires an app* on the device to tell the phone to listen for the broadcasts and then act accordingly when it receives one. Beacons have a normal ...
user avatar
  • 12k
3 votes

DIY smart button to trigger phone app

This is tricky. It would be easiest to run the Android app and wait for the button press. You can used off the shelf hardware like this IOIO board to do this. But then you have to ask your self if I ...
user avatar
  • 223
3 votes

How can I pair the Tile to the phone?

Yep, it seems straight forward. If a visual demonstration is needed, I would recommend the Unboxing and Setup by AppleLeigh. There is a trailer from "Tiler Support" here which might also be useful....
user avatar
2 votes

Can I run Unity AR on a single board computer instead of a smartphone?

Lots of single-board computers support android in their BSP. It's often less porting effort than Ubuntu since the SoCs generally have mobile as a primary market. If you need it, this can give you more ...
user avatar
2 votes

Read and Send Orientation Sensor Values from Android to Arduino

To improve on TisteAndii's answer, your program could lose context which might be part of your problem on the serial line because it has no start/stop markers. For example, say a byte gets dropped, ...
user avatar
  • 269
2 votes

DIY smart button to trigger phone app

You could hack an Amazon Dash button since they are cheap. Or use something like a raspberry Pi Zero W, which is also cheap. And both of there are much cheaper than @hardillb's suggestion of Flic....
user avatar
2 votes

IFTTT: Use trigger from one applet with ingredient from another applet?

To my knowledge, this is unfortunately not possible. The BatteryPercentage ingredient comes from the Android Battery trigger, so you can only get that data if you are using one of the Android Battery ...
user avatar
2 votes

SSL/TLS connection to Mosquitto broker from Android app

I have found the answer to this and it can be achieved by creating a .pem file which includes the client.crt and client.key. Then we can create a .bks using portecle which should contain client.pem, ...
user avatar
2 votes

What are the best / recommended approach for communicating or sending message between iOS/Android app to hardware / Raspberry Pi?

Use pushbullet it is a great app which let's you send data from your raspberry pi to your other devices. Also you can send messages to your raspberry pi as well from your mobile phone. it is available ...
user avatar
  • 43
2 votes

Smart band for generating custom vibrations

First of all, Welcome to IoT Stack Exchange! Now answering your question... I really think you should make your own. All you would need is an NRF51/2, a cheap vibration motor (those are usually ...
user avatar
2 votes

Stream any audio from Android phone to multi-room speakers?

You can create multi speaker groups with Google Assistant devices (Google Home, Google Nest mini, Google Nest Hub...) and you can "cast" the audio to these groups directly from your phone. The app ...
user avatar
  • 12k
1 vote

How do IoT devices connect to Wifi access point by using a Smartphone

One option is to use BLE. This requires an app on the smartphone (rather than just a web browser when using WiFi), but it avoids the requirement to touch the phone’s settings. Your device would ...
user avatar
  • 1,788
1 vote

How do IoT devices connect to Wifi access point by using a Smartphone

I've set up several Shelly relays. When you power them up, they create their own WiFi access point. I connect my phone to the Shelly's WiFi network then navigate to its home page where the built in ...
user avatar
  • 162
1 vote
Accepted

Advanced Universal Remote or basic home automation

I'll answer myself. Home Assistant is just enough to implement almost anything I've wanted. I've tried OpenHAB and it was waaaay too long until I was able to automate anything. Also I got really ...
user avatar
1 vote

DIY smart button to trigger phone app

For the app side, You could also use something like Tasker, it will need to be triggered by something, from what I understand you may need to add the MQTT plugin / broker to it.
user avatar
  • 151
1 vote

In IoT, Is it necessary to involve single-boards such as Raspberry Pi as the only communication devices?

Are single boards always necessary when implementing an IoT connection? No, Single Board Computers aren't necessary. Single Board Computers provide a very effective way to build a proof of concept, ...
user avatar
  • 2,560
1 vote

How can I pair the Tile to the phone?

According to support on thetileapp.com, it's fairly simple: Adding a Tile to your app is easy! Just follow these quick instructions for each new Tile that you would like to use: Add a Tile: Tap the +...
user avatar
  • 4,612
1 vote
Accepted

Input signal for Tasker on an external network

Pushbullet has a Tasker plugin embedded with the android application which allows to filter incoming messages and (regex) parse text within. A program can for example push a pushbullet via ...
user avatar
  • 3,656
1 vote

Can I run Unity AR on a single board computer instead of a smartphone?

You could potentially install Android 7 on a Raspberry Pi 3 if you wanted to run that, as described by the MagPi magazine. The binaries can be downloaded here, although I can't tell if the ...
user avatar

Only top scored, non community-wiki answers of a minimum length are eligible