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[Solved]Simple Chat Increase buffer any effects


I’m trying to increase buffer for Simple Chat sketch by library for Arduino, I’m changed TXRX_BUF_LEN constant from 20 to 100, but it seems not takes effects.
Am I wrong anything?


Hi dakyn,
Now the buffer not support long data, the max size is 20.


How to transfer more than 20 bytes?


Hi dakyn,
According to the BLE4.0 protocol, It defined 20 bytes as the longest package to transfer one times. But You can split the buffer into several packages and send several times