#Bluetooth Beacon ID doesn't match app UUID

1 messages · Page 1 of 1 (latest)

lime river
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In the companion app under Bluetooth Beacon sensors, my UUID is showing as 876b5500-b7e5-4f37-961e-1ba781cd12f

The problem though is that this is not the same format as the ID that gets reported through mqtt_room. The ID i need to use to match against this is 876b5500b7e54f-3796-1e1b-a781-cd12df-100-1

Does anyone know what is causing this?

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Bluetooth Beacon ID doesn't match app UUID

ivory hatch
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The full id includes minor and major

ivory hatch
lime river
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Ah so it is, but then why is the format of the UUID different?

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876b5500-b7e5 at the start vs 876b5500b7e54f

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So if I look in my app:

Under Attributes - > 876b5500-b7e5-4f37-961e-1ba781cd12df_100_1

Uuid -> 876b5500-b7e5-4f37-961e-1ba781cd12df

and then in MQTT

{
  "id":"876b5500b7e54f-3796-1e1b-a781-cd12df-100-1",
  "name":"",
  "distance":17.78279
}
ivory hatch
lime river
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the format of it

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so the app shows characters 8-4

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but the actual id reported in mqtt is 14-4

ivory hatch
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what does the server show?

lime river
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{
  "id":"876b5500b7e54f-3796-1e1b-a781-cd12df-100-1",
  "name":"",
  "distance":17.78279
}
ivory hatch
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oh beacon monitor?

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i cant speak for mqtt but the app just combines uuid, major and minor into a standard format and sends that over

lime river
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OK, back to the start.

I have ESPHomes, with a custom lambda function like so: https://gist.github.com/greghesp/29a395d8aee9d525faddab18a5955764

Basically, it takes the broadcast beacon and sends it to MQTT.

the id that is logged by that function though is
Sending MQTT room update for '' (df12cd81a71b1e-9637-4fe5-b700-556b87-100-1): 12.589m (-91 rssi)

Different format. Im 99% sure its not my lambda function, as i dont think its changing the format of it

Gist
Lambda Function for BT Beacon to MQTT Broadcast for Home Assistant ...

Lambda Function for BT Beacon to MQTT Broadcast for Home Assistant mqtt_room - device.yml

ivory hatch
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were nt adding any hyphens at all, just an underscore wehn we combine things

lime river
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:/ So how on earth is ESPHome getting a different format to that in the app

ivory hatch
lime river
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you're right