ESP32_BLE_Arduino | The library source for the ESP32 BLE support for Arduino
kandi X-RAY | ESP32_BLE_Arduino Summary
kandi X-RAY | ESP32_BLE_Arduino Summary
The library source for the ESP32 BLE support for Arduino.
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QUESTION
I want to extract the temperature from a BLE beacon using the ESP32 chip. I have used the following code to do this:
...ANSWER
Answered 2021-Jul-07 at 17:41I looked at the library you linked to and it had the following for temperature:
QUESTION
Bluetooth newbie here. Is there a best practice among the data type used for BLE communication? In my case I am setting up a ESP32 that acts as Server: it has a single Characteristic with a Notify property, so it repeatedly sends data to all the Clients once they connect (a raspberry pi as Client, in my case). Right know the data exchanged is just bytes (based on the Neil Kolban "BLE_notify" Arduino example) but it would be great to send Strings or better JSON data. Is that possible?
...ANSWER
Answered 2020-Dec-09 at 00:11You can send in whatever format you want if you use custom characteristic uuids. Although generally BLE data transfer is slow so you'd better make your data as compact as possible. Json might not be the best option here. I've not heard of anyone sending json over BLE. Some binary format is what's generally used.
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