Hello,
i am using an esp8266 with a max485 to control some devices over modbus. Here is the schematic from the bus:
After switching from my custom firmware to esphome i am getting lots of crc errors as you can see in the log so I think is a software-problem.
Here is the esphome-yaml-file and the log: Esphome config and log for homeassistant forum · GitHub (I’ve uploaded them to github gist because i haven’t found a way to attach files.)
Thanks!