BLE ranging possible by RSSI? #1702
Replies: 3 comments
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Posted at 2016-11-15 by @gfwilliams :) Yes, it can - in fact it can get RSSI of any devices advertising around it without connecting to them. Some devices - like Eddystone beacons - even broadcast what the RSSI at 1 meter is, so it's pretty easy to work back to get a distance. It's not very accurate though - on any BLE device. RSSI can change even depending on the angle the transmitter/receiver is at, and if there's something like a desk in the way that can change it too, and walls affect it a huge amount Still, it's good for a rough idea, and the more beacons you have the better it'll be. |
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Posted at 2016-11-15 by ChristianW Perfect. Ranging would be a plus here. |
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Posted at 2016-11-15 by @gfwilliams Great! It should be pretty straightforward for you to integrate them into your apps then. Over small distances I imagine measuring distance might be quite a bit better - I wonder how much detail you could get if each piece talked to each other piece. |
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Posted at 2016-11-14 by ChristianW
Just curious:
Is BLE ranging possible with the BLE module in puck.js?
Meaning will one puck acting as a central get the RSSI value of another puck acting as a peripheral?
(backer of puck.js; just got me a Pico because I couldn't wait any longer...)
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