i don`t find my Problem. i started from this pcture: https://b2600043.smushcdn.com/2600043/wp-content/uploads/2/2/1/5/22159166/9344195_orig.jpg?lossy=0&strip=1&webp=1 my first stap was to remove the RS485 bard and made a wire from RX1 to TX2 and a 2nd from TX1 to RX2. i configured my ESP32, ...

i will try it.
my concern is that if I send a 0/low over TX the line will be released on the RS485 when RE/DE go low and some weird signal will be generated.

Hi, i need to communicate with an RS485 Device from my PC over Ser2Net to an ABB Aurora Inverter. So i pluged a TTL to RS485 board on my ESP32. The problem is the TX-Enable Pin on the RS485 board. How can i set thies signal from my ESP32. On a old Screenshot from version 20210223 the option TX-Enabl...