Hello, Did you find a solution to your problem? I am using Classic BT SPP as well, I am struggling a bit to understand how is the transmission working. I would like to transmit a small amount of data (4 bytes) with a short deterministic delay (microsecond-ish to sub-microsecond if possible) from an ...

Hello I'm trying for send at-commands from linux kernel and reading the response over uart, but when I read from the device after writing to it, I get some random characters which may change depending on the execution. These characters are different from the expected response. When I use the Arduino...