ble advertising example

[uraich]

I am currently trying to learn about BlueThooth on the ESP32 and I tried the ble_advertising.py example.
When running it, I get: ValueError: advertising payload too large
The payload length is 38 with a maximum of 32 allowed. The problem could easily be solved by modifying the name parameter of advertising_payload from "micropython" to "mpy".

[jimmo]

@uraich That's right (but the limit is 31 bytes, not 32). You can get a further 31 bytes using the scan response payload.

The problem could easily be solved by modifying the name parameter of advertising_payload from "micropython" to "mpy".

I'm not sure what you mean by this? ble_advertising.py doesn't set the name by default.

[uraich]

What I mean is this:
In the function demo of ble_advertising.py I replaced "micropython" by "mpy".

[FilMarini]

@jimmo Hi, I'm having the same issue, where for my application I need to set a specific name for advertising but it results too long. Changing it is, unfortunately, not an option.
How can I get it further than 31 bytes? Is there an example of using the scan response payload?
Thanks