Questions tagged [bluetooth-low-energy]

Bluetooth Low Energy ("BLE") is a new radio standard, introduced in 2006. Bluetooth Low Energy is a subset of Bluetooth v4.0.

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3answers
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BLE Scan interval and window

With Bluetooth Low Energy, you specify a scan window (how long to scan) and interval (how long to wait between scans). Would there be any difference between scanning for 10 ms every 100 ms, or ...
0
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1answer
40 views

What pins on a nRF51822 do I connect to a STM32 programmer?

I want to be able to program a nRF51822 with this programmer but I'm not sure what pins on the actual chip I should use, and all the guides seemed to be using a different chip
6
votes
1answer
2k views

BLE Transmitter for Production

We would like to add a BLE transmitter to our board so that it can serve as an iBeacon (and whatever the non-Apple equivalent is known as). It seems like the engineers at Estimote and Stick n Find ...
4
votes
1answer
25k views

How to scan for all available beacons with BLE?

I'm working with a project which involves Bluetooth Low Energy beacons. Super simple schematic will just broadcast an unique number of the beacon. These beacons are used in a warehouse which is about ...
10
votes
3answers
20k views

Streaming video using BLE or classic Bluetooth 4.0?

BLE only has a data payload of 100Kbps so I was wondering if it is possible to stream a live video using Bluetooth Low Energy? Classic Bluetooth 4.0 has a data payload of 2Mbps which makes it easier ...
2
votes
2answers
15k views

Can an iphone/android cell phone communicate with RFID?

Is it possible for a cell phone to communicate with an RFID chip? I'm looking for a low-powered solution to turn a device on/off wirelessly, using a cell phone. Example: phone sends signal to RFID ...
1
vote
2answers
7k views

Can I use TI's cc2541 BLE as micro controller to perform operations/ processing instead of ATmega328P AU to save cost?

I am using arduino pro mini (which contains Atmega328p AU) along with cc2541(HM-10) to process and transfer data over BLE to smartphone. I am wondering if I can use cc2541 itself for processing data ...
4
votes
2answers
21k views

Is BLE 4.1 backwards compatible to BLE 4.0 ? Can a phone with bluetooth 4.0 talk with a mote with BLE4.1?

BLE 4.1 is out and it could be considered the biggest news for internet of thing developers. I want to know if my mote with BLE 4.1 can interact with iPhone 6 which has Bluetooth 4.0.
4
votes
1answer
235 views

Are Lithium Thionyl Chloride Battery usable in my vibrating environment? Are they safe?

I have to power a circuit subject to constant vibrations (10-15 Hz with an amplitude of ca 10 millimiters) with a battery and I was thinking of a Lithium Thionyl Chloride Battery. The circuit has to ...
2
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1answer
953 views

nrf52 and Chip antenna Layout Questions

I am designing a four layer stack up PCB having nrf52832 SoC with chip antenna (2450AT18B100 Johanson Technology).It is BLE ...
2
votes
1answer
608 views

Power Consumption for BLE advertisements

I have a set of voltage readings that are read at a high rate and they have produced voltage data for power consumption while: advertising events, for connection events, and for no activity. I've ...
0
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1answer
1k views

Bluegiga BGScript Accelerator sample. I want to understand the example code

I started BGScript few days ago. I have many questions about BGScript. Any help will be appreciated. Thanks! *My goal is advertising with accelerator data via BluetoothLE. I am going to use ADXL345 ...