sboicu

> Solution here: https://github.com/mintynet/esp32-slcan I have tried this with CAN Hacker but is not woring. arduino+mcp works well. esp32+sn65hvd23x does not wor well. Any idea?

nevermind, ignore my previous message, I managed to get it working.

I also try to communicate to other can devices, no success.  I tried separatelly the HW connection and I was able to communicate by CAN with an arduino schetch...

Hello @nopnop2002 thanks for helping. this is the log from your example flash + monitor `esptool.py v4.4 Serial port com15 Connecting... Failed to get PID of a device on com15,...

And here I used 2xESP32 1 flashed with twai network master 1 flashed with twai network listener only everything seems to be working. but your example I am not able...

then I tried with the listener to listen what your example is sending. and then nothing: 

but with one esp flashed with twai master which is transmitting ping the app receives. only the TX is not working.