@jkandasa yes sure, I was not using any special configuration. I adapted the config file only to suit the configuration that we used before.
Here we go for the config.yaml file:
logger:
  mode: development
  encoding: console
  level: info
adapters:
  - name: adapter1
    enabled: true
    reconnect_delay: 20s
    provider: mysensors_v2
    source:
      type: serial
      port: /dev/serial0
      baud_rate: 115200
      transmit_pre_delay: 10ms
    mqtt:
      broker: tcp://127.0.0.1:1883
      insecure_skip_verify: false
      username:
      password:
      subscribe: mysensors-in/#
      publish: mysensors-out
      qos: 0
      transmit_pre_delay: 0s
      reconnect_delay: 5s
  - name: adapter2
    enabled: false
    reconnect_delay: 20s
    provider: mysensors_v2
    source:
      type: ethernet
      server: tcp://192.168.10.21:5003
      transmit_pre_delay: 10ms
    mqtt:
      broker: tcp://192.168.10.21:1883
      insecure_skip_verify: false
      username:
      password:
      subscribe: in_nrf24/#
      publish: out_nrf24
      qos: 0
      transmit_pre_delay: 0s
      reconnect_delay: 5s
  - name: adapter3
    enabled: false
    reconnect_delay: 20s
    provider: raw
    source:
      type: serial
      port: /dev/ttyUSB0
      baud_rate: 115200
      transmit_pre_delay: 10ms
      message_splitter: 10
    mqtt:
      broker: tcp://192.168.10.21:1883
      insecure_skip_verify: false
      username:
      password:
      subscribe: in/my_topic
      publish: out/my_topic
      qos: 0
      transmit_pre_delay: 0s
      reconnect_delay: 5s
and for my environment on the Raspberry Pi:
$ cat /etc/*release
PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
NAME="Raspbian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=raspbian
ID_LIKE=debian
HOME_URL="http://www.raspbian.org/"
SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"
$ uname -a
Linux metteo-dev2 5.10.17-v7+ #1421 SMP Thu May 27 13:59:01 BST 2021 armv7l GNU/Linux
$ ls -l /dev/serial0
lrwxrwxrwx 1 root root 7 Jul 14 20:00 /dev/serial0 -> ttyAMA0
$ ls -l /dev/ttyAMA0
crw-rw---- 1 root dialout 204, 64 Jul 14 20:00 /dev/ttyAMA0
$ groups pi
pi : pi adm dialout cdrom sudo audio video plugdev games users input netdev spi i2c gpio lpadmin
$ apt-cache policy mosquitto
mosquitto:
  Installed: 1.5.7-1+deb10u1
  Candidate: 1.5.7-1+deb10u1
  Version table:
 *** 1.5.7-1+deb10u1 500
        500 http://raspbian.raspberrypi.org/raspbian buster/main armhf Packages
        100 /var/lib/dpkg/status
Thanks in advance
 



