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Share Your Experience: Take the 2024 Developer Survey
8 votes
Accepted

Can MQTT be used for queuing?

I'm not sure MQTT would really fit your needs well. MQTT has the concept of 'retained messages', kept by the server and sent to clients as soon as they connect. But you can only have one retained ...
Aurora0001's user avatar
  • 18.5k
8 votes
Accepted

How to write/post files to website server through ESP 8266

Typically, files are uploaded using a HTTP POST from a web form (I assume that's what you're thinking of when you say file upload). The exact format of the request tends to look a bit like this, as ...
Aurora0001's user avatar
  • 18.5k
5 votes

Music content for my IoT device

a service provider [...] (at minimum cost)? [...] something like Spotify Well actually there are plenty of providers "like" Spotify (depending on the definition of "likeness") and predating Spotify ...
Ghanima's user avatar
  • 2,539
5 votes
Accepted

Network type for streaming from RPi to several ESP8266 modules

MQTT should be more than fast enough for your architecture, given a decent WiFi network. I run about 30 sensors (ESP8266, Feather MO, Arduino Uno, etc.) all using MQTT back to a Mosquitto Broker ...
JD Allen's user avatar
  • 618
5 votes

Stream ADC values from ESP32 over http

From what you're asking, I believe you should use MQTT protocol, it seems to fit your architecture. You'll need to have a mqtt server/broker that will receive the data from the device and then send ...
YCN-'s user avatar
  • 473
4 votes
Accepted

Stream real time data from smart band/watch to computer via Bluetooth

It looks like a pretty standard Bluetooth Low Energy (BLE) device so assuming the manufacturer hasn't done something strange (e.g. like fitbit) then you should be able to use any language that has BLE ...
hardillb's user avatar
  • 12.6k
4 votes

Can MQTT be used for queuing?

I agree to Aurora's answer—there may be better solutions to implement queue instead of MQTT, but still in MQTT it is absolutely possible. You need MQTT broker and clean=false (in MQTT 3.x) or with ...
shal's user avatar
  • 806
2 votes

Does Apache Kylo support IoT data consumption?

Yes, and since Kylo is based on top off Apache NiFi, you can start with NiFi documentation. Great starting point for Apache NiFi can be Apache NiFi Videos and video Build a Simple Flow - Part1 ...
Amit Vujic's user avatar
2 votes

Cheap low specs board with network and audio

May be a bit biased here, since I've worked with this technology a fair amount and enjoyed it, but I'd go with a Raspberry Pi, personally probably the Raspberry Pi 3. The board will cost ~$30, plus a ...
anonymous2's user avatar
  • 4,862
1 vote
Accepted

Is there anyway to stream music from an unsupported streaming service to a DLNA enabled amp?

Via bluetooth would be one way. You just need to buy a bluetooth adapter so that you can send the phone output to the amplifier via bluetooth (which I assume it currently does not have.) There are ...
kalyanswaroop's user avatar
1 vote
Accepted

When stream security camera on TV using Google Home speaker, does the stream go through Google home?

This really depends on how the camera manufacture has set things up, but it will not go via the Google Assistant device (in this case the speaker). Google Assistant Camera support works in much the ...
hardillb's user avatar
  • 12.6k
1 vote

Cheap low specs board with network and audio

Sorry, this is too long for a comment, and there is the beginning of an answer in it, especially if I get more info from the OP. Can you define "cheap"? Sub $5? $10? $120? $50? And, what does "...
Mawg's user avatar
  • 3,110

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