Questions tagged [bluetooth]

For questions about the use of the Bluetooth protocol and its uses in devices. Use [bluetooth-low-energy] for questions specifically about the low power version.

15 questions with no upvoted or accepted answers
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6
votes
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Can a Bluetooth tag (iOS and Android) send a push notification without the device being connected to the internet?

I have several Bluetooth tags, model "Onyx Beacon One". They can be controlled via the company's CMS. I can also switch them between Eddystone UID&URL and iBeacon. I can simply place two of them ...
5
votes
0answers
306 views

Creating COM serial port between external device (Joule/Arduino/etc.) and PC over Bluetooth w/ linux sdptool & rfcomm (OR another method)

This article is not device specific, but rather is focused on using sdptool and rfcomm to setup a serial com port connection over bluetooth. If you have another method instead of these two Linux ...
3
votes
0answers
71 views

FitBit integration with Alexa; Play music when waking up

I m trying to integrate my Fitbit with my Amazon Echo. My goal is to make my Echo play music when I wake up in the morning. Is it possible to send a notification (or alert) via Bluetooth to my phone ...
2
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0answers
23 views

How to send data from BLE MCU to the Windows?

I have one nRF based 52840 device, which I am using to send the data by using BLE technology, my laptop has windows 10 and Bluetooth 4.0, which can detect the BLE but it cannot even connect to it. I ...
2
votes
0answers
472 views

CSR8675 programming and build

I've bought myself a simple CSR8675 board with USB-SPI programmer, without any software included. I've succesfully managed to read and edit some settings using PSTool, but what i really need is to set ...
2
votes
0answers
625 views

How to take data from multiple BLE devices into a central device simultaneously?

Firstly, I am very beginner in BLE domain. I have very little knowledge about it. I have Adafruit Feather 32u4 Bluefruit LE module. I want to do a project where multiple BLE peripheral devices ...
2
votes
0answers
75 views

LPWAN technologies and Dash7

I need to transfer messages from node to gateway that would be at most 2km apart. I am currently working with 40 nodes that wake up every 1 minute. So I would like to have battery life of at least 3-...
2
votes
0answers
342 views

ESP32 & Bluetooth

I'm currently looking into how to set up a sense network made from ESP32s to track BLE tokens in an area, but I'm stuck at the first step... Getting Bluetooth & device listing to work on the ESP32,...
1
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0answers
49 views

OOB pairing without NFC

I'm building a medical device with NFC capability. This medical device can be connected to a mobile phone/tablet over Bluetooth and operated by an App. During the pairing process, the App asks the ...
1
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0answers
35 views

Please ensure your device has a proper internet connection

I have been using the 1st. Gen Kevo for almost 3 years now and was working perfect until last week that stop working with all of our phones (1 iOS and 2 Android) I tried to reset the lock and from ...
1
vote
0answers
217 views

Push notifications to Mi Band 3

How can I push notifications to my Mi Band 3 without notifications showing up on my phone? It could be code, or could be an app for Windows or Android. I'm planning on writing an app using custom ...
1
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0answers
48 views

How Different is a Car's Bluetooth from phone Bluetooth

I'm developing an application which makes use of a car's Bluetooth but I need to identify if a certain Bluetooth device is a car's Bluetooth. Is there a way to differentiate between Bluetooth devices ...
0
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0answers
7 views

BLE client server communication

This is probably asked several times before, but my websearch skills can't really direct me to an adequate answer. I have a thingy, that takes commands from a mobile application with a request-...
0
votes
1answer
42 views

Low Bluetooth antenna problem on my PCB (Sim800c)

I have my PCB that I have SIM800c module with Bluetooth V3. My module GSM is working perfectly but my BT has just a few centimeters board (I have tried 3 different modules after upgrading their ...
0
votes
0answers
17 views

How to trigger my switchbot automatically after a set amount of time?

How can I trigger my switch-bot (a Bluetooth smartphone controlled button pusher device) manually at first and a 2nd time automatically after a set amount of time (30 minutes for example), using ...