Bartłomiej Zimoń

@Sh4rK ok so now it is clear what api you need, so stay tuned

[esp-link-v3.2.47.alpha.24-g74e2043-dirty-Lucjan.tgz.zip](https://github.com/jeelabs/esp-link/files/5889597/esp-link-v3.2.47.alpha.24-g74e2043-dirty-Lucjan.tgz.zip) @Sh4rK try this one

And 115200 in debug messages on serial port

@elvisthedj any type/model of this amp?

It is hard to find anything more, you need 3v3 to rs232 converter and null modem cable

please attach some logs

It is unavailable because rs485 support was removed due to some boot issues. I can try to build firmware with rs485 for test if you want? @tve do you have...

@tve will try to revert it without use of microsecond timer

@lblabr what firmware version did you used?

You should avoid gpio0 because it is used on boot, try another gpio please