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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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BLE device directions

I would need some directions on how to build a simple circuit with a temperature sensor. OBJECTIVE: The device measures the time between two temperature values. The values are read from a sensor on ...
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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 ...
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1answer
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Maintain multiple connection intervals/slave latencies in Bluetooth Low Energy network

Is it possible for a Bluetooth Low Energy network to operate with two different connection intervals and slave latencies? To clarify, assume I have a network with one host and two slaves. These ...
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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 ...
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1answer
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Bluetooth low energy Power Consumption in Sleep state

I constantly read about the low power consumption of BLE and websites stating Power consumption: Since a Bluetooth low energy device is in sleep mode most of the time - the maximum/peak current draw ...
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2answers
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Using BLE module by blueradios

I want to use the bluradios BLE module. Here is what I am talking about, Another link for the material available on the site. Now, I would like to use AT command set to program the module. The site ...
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4answers
9k views

Improving throughput of a Bluetooth Low Energy Connection

Follow-Up question from Stackoverflow I am trying to write a characteristic value repeatedly over a short amount of time. Different sources tell that rates between 200 and 305 kbit / s should be ...
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5answers
19k views

How to get started with Bluetooth 4.0 (BLE / Low Energy)

I want to get started with Bluetooth 4.0 / Bluetooth Low Energy / BLE. I know it's different from a normal Bluetooth. Currently I'm using BlueSmirf Bluetooth 2.1 module, UART interface and SPP ...
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5answers
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What Bluetooth 4.0 devices and radios are available? [closed]

Bluetooth 4.0 is the latest specification to be adopted by the Bluetooth cabal, which notably adds Bluetooth low energy into the mix, which is designed to allow radios that sip battery like 802.15.4 ("...