Internet of Things Stack Exchange
Internet of Things Stack Exchange

Questions tagged [bluetooth-low-energy]

For questions related to the use of a Bluetooth Low Energy (BLE) wireless personal area network in IoT devices.

Use this tag for questions that are about Bluetooth Low Energy (also known as BLE, or Bluetooth LE).

Consider the question check list if your question fits the tag. You can also look at the example questions. If this tag doesn't fit your question have a look below at somehow related tags that might fit your question better.

Question checklist

  • Is the question about the low energy version of Bluetooth in particular?
  • Is the question primarily about Bluetooth Low Energy's applications to IoT devices?

Example questions

Not what you are looking for?

  • Use for general questions about the Bluetooth protocol.
55 questions
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Is MQTT protocol appropriate for transmitting sensor readings over BLE?

Assume that there are numerous weak sensors (e.g., Arduino level devices) which rely on BLE as means of communication and that these devices are connected to a more powerful gateway (e.g., Raspberry pi level of devices). I would like to know if MQTT…
dr.doom
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2 answers

Are there any Bluetooth LE light dimmers with open APIs?

Are there any smart light switches/dimmers that support Bluetooth Low Energy and have an open or accessible APIs? I want to gradually replace all dumb switches in my house with smart switches, but don't want to deal with any proprietary apps. Are…
Ghostrider
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14
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3 answers

Speed limitations on moving sensors

After I watched this video of the docking scene in Interstellar sweded using a light bulb and a fan, I was thinking: Are there speed limitations with moving sensors, such as measuring a spinning wheel for example? I know that phones can carry…
Goufalite
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13
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5 answers

Is Bluetooth a good enough protocol for "lost my keys" beacons?

Bluetooth beacons for localizing lost objects are beginning to spread. You can locate them using an app on your smartphone (yes, and create an account, share on facebook your objects, ...) with a closer/further logic. I tried one but one day my keys…
Goufalite
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9
votes
2 answers

Suitable wireless technologies for high density industrial IoT

I have a requirement to design M2M communication devices for a factory which has 1000 nodes (machines) within 100m of each other. The devices will be wired to get power and will transmit a payload of 8Kbps. What is the most suitable wireless…
SamHW17
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9
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3 answers

Setting a device clock with BLE

I'd like to build a device that obtains the local time from a phone or laptop via BLE. My ideal interaction flow would be: push a "set time" button on the device to make it start advertising open Bluetooth settings or control panel on the…
jmw
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8
votes
1 answer

Optimal Wireless Technology for High Data Rate & Low Latency IoT Application

I am planning to use the BNO055 Absolute Orientation Sensor for collecting the accelerometer, magnetometer and gyroscopic measurements for an application. As of now I want the data to be sent at a rate of 10 Hz to a data collecting entity (Pi or…
Shan-Desai
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7
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1 answer

Rapid pairing of Bluetooth low energy interface

I'm looking at making a remote control for a custom IoT device using Bluetooth low energy (BLE) and I want the battery in the remote to last a very long time (primary battery, non rechargeable) so I don't want the remote to draw power (at all)…
Josh Wales
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7
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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
votes
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
votes
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

Protocol for over 300 metres and minimum of 20 kbytes datarate?

We are trying to choose the most suitable connection protocol for wearable devices, with the following constraints: 300 - 500 devices will simultaneously connect About 1 km2 site area—coverage is needed throughout the site. Devices are moving …
dicobraz
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7
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0 answers

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 next to each other to send messages to both iOS and…
RubbelDieKatz
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7
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1 answer

Looking for direction to find a specific hardware

I am struggling finding a specific hardware, here is what I need : Bluetooth Low Energy Beacon good range Button on it to send a signal to my iOS/Android app Possibility to switch off/on (not mandatory) LED on it : It should receive signal from…
xGoPox
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7
votes
0 answers

BLE only partially connected in iPhone?

I am trying to use BLE to send strings of data from a CSR8675 chip to an iPhone I am having problems pairing the chip with the iPhone for BLE communication, and need some ideas on how to proceed with troubleshooting Normally if a bluetooth…
user17915
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