Hello, I built myself a DIY Focuser github.com/fehlfarbe/arduino-motorfocus, the version with 28BYJ-48 stepper motor, ULN2003A and a arduino nano china clone. The manual control works and so does the connection on my Odroid-C2. But unfortunately I can't get a connection under Indi with my Odroid-N2+ no matter what I try.

I have also soldered a 10uf capacitor for testing. Even if I only connect the Focuser and have no other USB devices connected, it does not work. After hours of testing, i have no more idea...
The log says the following:

[2022-12-17T10:18:07.128 UTC INFO ][ org.kde.kstars] - Welcome to KStars 3.6.1 Stable
[2022-12-17T10:18:07.129 UTC INFO ][ org.kde.kstars] - Build: 2022-10-15T12:30:09Z
[2022-12-17T10:18:07.129 UTC INFO ][ org.kde.kstars] - OS: "ubuntu"
[2022-12-17T10:18:07.129 UTC INFO ][ org.kde.kstars] - API: "arm64-little_endian-lp64"
[2022-12-17T10:18:07.129 UTC INFO ][ org.kde.kstars] - Arch: "arm64"
[2022-12-17T10:18:07.129 UTC INFO ][ org.kde.kstars] - Kernel Type: "linux"
[2022-12-17T10:18:07.129 UTC INFO ][ org.kde.kstars] - Kernel Version: "4.9.312-23"
[2022-12-17T10:18:07.130 UTC INFO ][ org.kde.kstars] - Qt Version: 5.15.3
[2022-12-17T10:18:07.533 UTC DEBG ][ org.kde.kstars] - Opened the User DB. Ready.
[2022-12-17T10:18:07.749 UTC INFO ][ org.kde.kstars] - Processing "unnamedstars.dat" , HTMesh Level 3
[2022-12-17T10:18:07.749 UTC INFO ][ org.kde.kstars] - Sky Mesh Size: 512
[2022-12-17T10:18:07.803 UTC INFO ][ org.kde.kstars] - Loaded DSO catalog file: "unnamedstars.dat"
[2022-12-17T10:18:08.164 UTC WARN ][ org.kde.kstars] - "Star HD20,794 not found."
[2022-12-17T10:18:08.178 UTC WARN ][ org.kde.kstars] - "Star HD98,230 not found."
[2022-12-17T10:18:08.201 UTC INFO ][ org.kde.kstars] - Loaded DSO catalogs.
[2022-12-17T10:18:08.427 UTC INFO ][ org.kde.kstars] - Loading comets
[2022-12-17T10:18:08.863 UTC DEBG ][ org.kde.kstars] - Paths to color scheme : ("/usr/share/kstars/themes")
[2022-12-17T10:18:09.083 UTC DEBG ][ org.kde.kstars] - Reporting new timestep value: 60
[2022-12-17T10:18:09.305 UTC WARN ][ default] - libpng warning: iCCP: known incorrect sRGB profile
[2022-12-17T10:18:09.444 UTC CRIT ][ kf.xmlgui] - Shortcut for action "get_data" "Download New Data..." set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
[2022-12-17T10:18:09.444 UTC CRIT ][ kf.xmlgui] - Shortcut for action "timestep_increase_units" "Increase Time Scale" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
[2022-12-17T10:18:09.444 UTC CRIT ][ kf.xmlgui] - Shortcut for action "timestep_decrease_units" "Decrease Time Scale" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
[2022-12-17T10:18:09.648 UTC DEBG ][ org.kde.kstars] - Daylight Saving Time inactive
[2022-12-17T10:18:09.649 UTC DEBG ][ org.kde.kstars] - Next Daylight Savings Time change (Local Time): "Sun Mar 26 01:00:00 2023 GMT"
[2022-12-17T10:18:09.649 UTC DEBG ][ org.kde.kstars] - Next Daylight Savings Time change (UTC): "Sat Mar 25 00:00:00 2023 GMT"
[2022-12-17T10:18:09.840 UTC DEBG ][ org.kde.kstars] - Daylight Saving Time inactive
[2022-12-17T10:18:09.840 UTC DEBG ][ org.kde.kstars] - Next Daylight Savings Time change (Local Time): "Sun Mar 26 01:00:00 2023 GMT"
[2022-12-17T10:18:09.840 UTC DEBG ][ org.kde.kstars] - Next Daylight Savings Time change (UTC): "Sat Mar 25 00:00:00 2023 GMT"
[2022-12-17T10:18:09.840 UTC DEBG ][ org.kde.kstars] - Starting the timer
[2022-12-17T10:18:10.013 UTC DEBG ][ org.kde.kstars] - Date/Time is: "Sat Dec 17 10:18:09 2022 GMT"
[2022-12-17T10:18:10.014 UTC DEBG ][ org.kde.kstars] - Location: "XXX, Germany"
[2022-12-17T10:18:10.014 UTC DEBG ][ org.kde.kstars] - TZ0: 1 TZ: 1
[2022-12-17T10:18:10.014 UTC WARN ][ org.kde.kstars] - Current icon theme is "Yaru-olive-dark"
[2022-12-17T10:18:10.607 UTC WARN ][ default] - QImage::scaled: Image is a null image
[2022-12-17T10:18:11.467 UTC INFO ][ org.kde.kstars] - Loading comets
[2022-12-17T10:18:19.233 UTC INFO ][ org.kde.kstars] - Loading asteroids
[2022-12-17T10:18:24.850 UTC DEBG ][ org.kde.kstars.ekos] - Resetting Ekos Manager...
[2022-12-17T10:18:24.897 UTC INFO ][ org.kde.kstars.ekos] - "Starting INDI services..."
[2022-12-17T10:18:24.898 UTC DEBG ][ org.kde.kstars.indi] - INDI: Starting local drivers...
[2022-12-17T10:18:24.898 UTC DEBG ][ org.kde.kstars.indi] - Starting INDI Server: ("-v", "-p", "7624", "-m", "1024", "-r", "0", "-f", "/tmp/indififo7f89eb54") -f "/tmp/indififo7f89eb54"
[2022-12-17T10:18:24.915 UTC DEBG ][ org.kde.kstars.indi] - INDI: INDI Server started locally on port 7624
[2022-12-17T10:18:24.916 UTC DEBG ][ org.kde.kstars.indi] - Starting INDI Driver "indi_simulator_telescope"
[2022-12-17T10:18:24.915 UTC DEBG ][ org.kde.kstars.indi] - INDI Server Started? true
[2022-12-17T10:18:24.917 UTC DEBG ][ org.kde.kstars.indi] - Starting INDI Driver "indi_simulator_ccd"
[2022-12-17T10:18:24.934 UTC DEBG ][ org.kde.kstars.indi] - Starting INDI Driver "indi_moonlite_focus"
[2022-12-17T10:18:24.936 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: startup: /usr/bin/indiserver -v -p 7624 -m 1024 -r 0 -f /tmp/indififo7f89eb54"
[2022-12-17T10:18:24.937 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: listening to port 7624 on fd 5"
[2022-12-17T10:18:24.937 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Local server: listening on local domain at: @/tmp/indiserver"
[2022-12-17T10:18:24.937 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: FIFO: start indi_simulator_telescope -n \"Telescope Simulator\""
[2022-12-17T10:18:24.938 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: With name: Telescope Simulator"
[2022-12-17T10:18:24.938 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: FIFO: Starting driver indi_simulator_telescope"
[2022-12-17T10:18:24.938 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_telescope: pid=5112 rfd=9 wfd=9 efd=10"
[2022-12-17T10:18:24.938 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: FIFO: start indi_simulator_ccd"
[2022-12-17T10:18:24.938 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: FIFO: Starting driver indi_simulator_ccd"
[2022-12-17T10:18:24.939 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: pid=5113 rfd=11 wfd=11 efd=12"
[2022-12-17T10:18:24.939 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: FIFO: start indi_moonlite_focus -n \"MoonLite\""
[2022-12-17T10:18:24.939 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: With name: MoonLite"
[2022-12-17T10:18:24.939 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: FIFO: Starting driver indi_moonlite_focus"
[2022-12-17T10:18:24.940 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_moonlite_focus: pid=5114 rfd=13 wfd=13 efd=14"
[2022-12-17T10:18:24.940 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: ""
[2022-12-17T10:18:24.941 UTC DEBG ][ org.kde.kstars.indi] - Adding managed driver "Telescope Simulator"
[2022-12-17T10:18:24.941 UTC DEBG ][ org.kde.kstars.indi] - Adding managed driver "CCD Simulator"
[2022-12-17T10:18:24.942 UTC DEBG ][ org.kde.kstars.indi] - Adding managed driver "MoonLite"
[2022-12-17T10:18:24.943 UTC DEBG ][ org.kde.kstars.indi] - INDIListener: Adding a new client manager to INDI listener..
[2022-12-17T10:18:24.943 UTC DEBG ][ org.kde.kstars.indi] - INDI: Connecting to local INDI server on port 7624 ...
[2022-12-17T10:18:24.944 UTC DEBG ][ org.kde.kstars.indi] - INDI server connected.
[2022-12-17T10:18:24.945 UTC INFO ][ org.kde.kstars.ekos] - "INDI services started on port 7,624. Please connect devices."
[2022-12-17T10:18:24.964 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Client 8: new arrival from local pid 4973 (user: 1000:1000) - welcome!"
[2022-12-17T10:18:24.965 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: ""
[2022-12-17T10:18:24.984 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_telescope: HaAxis: TrackRate 1, trackingRateDegSec 15.041067 arcsec"
[2022-12-17T10:18:24.984 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: ""
[2022-12-17T10:18:24.988 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on Telescope Simulator.EQUATORIAL_EOD_COORD"
[2022-12-17T10:18:24.988 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on Telescope Simulator.EQUATORIAL_COORD"
[2022-12-17T10:18:24.988 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on Telescope Simulator.TELESCOPE_INFO"
[2022-12-17T10:18:24.988 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on Telescope Simulator.GEOGRAPHIC_COORD"
[2022-12-17T10:18:24.988 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on Telescope Simulator.TELESCOPE_PIER_SIDE"
[2022-12-17T10:18:24.988 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on Rotator Simulator.ABS_ROTATOR_ANGLE"
[2022-12-17T10:18:24.988 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on Focuser Simulator.ABS_FOCUS_POSITION"
[2022-12-17T10:18:24.989 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on Focuser Simulator.FOCUS_TEMPERATURE"
[2022-12-17T10:18:24.989 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on CCD Simulator.FILTER_SLOT"
[2022-12-17T10:18:24.989 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on CCD Simulator.FILTER_NAME"
[2022-12-17T10:18:24.989 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on SQM.SKY_QUALITY"
[2022-12-17T10:18:24.989 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: ""
[2022-12-17T10:18:24.989 UTC DEBG ][ org.kde.kstars.indi] - Received new device MoonLite
[2022-12-17T10:18:24.989 UTC DEBG ][ org.kde.kstars.indi] - Received new device CCD Simulator
[2022-12-17T10:18:25.007 UTC DEBG ][ org.kde.kstars.indi] - Received new device Telescope Simulator
[2022-12-17T10:18:25.014 UTC DEBG ][ org.kde.kstars.indi] - INDIListener: New device "MoonLite"
[2022-12-17T10:18:25.015 UTC INFO ][ org.kde.kstars.ekos] - Ekos received a new device: "MoonLite"
[2022-12-17T10:18:25.019 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < CONNECTION >
[2022-12-17T10:18:25.019 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_ccd: snooping on Focuser Simulator.FWHM"
[2022-12-17T10:18:25.019 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_telescope: snooping on GPS Simulator.GEOGRAPHIC_COORD"
[2022-12-17T10:18:25.019 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_telescope: snooping on GPS Simulator.TIME_UTC"
[2022-12-17T10:18:25.019 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_telescope: snooping on Dome Simulator.DOME_PARK"
[2022-12-17T10:18:25.019 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: "2022-12-17T10:18:24: Driver indi_simulator_telescope: snooping on Dome Simulator.DOME_SHUTTER"
[2022-12-17T10:18:25.020 UTC DEBG ][ org.kde.kstars.indi] - INDI Server: ""
[2022-12-17T10:18:25.072 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < DRIVER_INFO >
[2022-12-17T10:18:25.072 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < DEBUG >
[2022-12-17T10:18:25.072 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < POLLING_PERIOD >
[2022-12-17T10:18:25.072 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < CONFIG_PROCESS >
[2022-12-17T10:18:25.072 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < CONNECTION_MODE >
[2022-12-17T10:18:25.140 UTC DEBG ][ org.kde.kstars.indi] - INDIListener: New device "CCD Simulator"
[2022-12-17T10:18:25.140 UTC INFO ][ org.kde.kstars.ekos] - Ekos received a new device: "CCD Simulator"
[2022-12-17T10:18:25.142 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < SYSTEM_PORTS >
[2022-12-17T10:18:25.143 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < DEVICE_PORT >
[2022-12-17T10:18:25.144 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < DEVICE_BAUD_RATE >
[2022-12-17T10:18:25.145 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < DEVICE_AUTO_SEARCH >
[2022-12-17T10:18:25.146 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < DEVICE_PORT_SCAN >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < CONNECTION >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < DRIVER_INFO >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < POLLING_PERIOD >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < DEBUG >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < CONFIG_PROCESS >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < ACTIVE_DEVICES >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < SIMULATOR_SETTINGS >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < EQUATORIAL_PE >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < SIM_FOCUSING >
[2022-12-17T10:18:25.148 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < SIMULATE_BAYER >
[2022-12-17T10:18:25.149 UTC DEBG ][ org.kde.kstars.indi] - < CCD Simulator >: < CCD_SIMULATE_CRASH >
[2022-12-17T10:18:25.199 UTC DEBG ][ org.kde.kstars.indi] - INDIListener: New device "Telescope Simulator"
[2022-12-17T10:18:25.199 UTC INFO ][ org.kde.kstars.ekos] - Ekos received a new device: "Telescope Simulator"
[2022-12-17T10:18:25.202 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < CONNECTION >
[2022-12-17T10:18:25.202 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < DRIVER_INFO >
[2022-12-17T10:18:25.202 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < POLLING_PERIOD >
[2022-12-17T10:18:25.202 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < DEBUG >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < CONFIG_PROCESS >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < CONNECTION_MODE >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < SYSTEM_PORTS >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < DEVICE_PORT >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < DEVICE_BAUD_RATE >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < DEVICE_AUTO_SEARCH >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < DEVICE_PORT_SCAN >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < ACTIVE_DEVICES >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < DOME_POLICY >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < TELESCOPE_INFO >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < SCOPE_CONFIG_NAME >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < MOUNT_TYPE >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < SIM_PIER_SIDE >
[2022-12-17T10:18:25.203 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < MOUNT_MODEL >
[2022-12-17T10:18:25.204 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < MOUNT_AXES >
[2022-12-17T10:18:25.204 UTC DEBG ][ org.kde.kstars.indi] - < Telescope Simulator >: < FLIP_HA >
[2022-12-17T10:18:25.207 UTC INFO ][ org.kde.kstars.indi] - MoonLite : "[INFO] Debug is enabled. "
[2022-12-17T10:18:25.207 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < DEBUG_LEVEL >
[2022-12-17T10:18:25.208 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < LOGGING_LEVEL >
[2022-12-17T10:18:25.210 UTC DEBG ][ org.kde.kstars.indi] - < MoonLite >: < LOG_OUTPUT >
[2022-12-17T10:18:25.260 UTC DEBG ][ org.kde.kstars.indi] - MoonLite : "[DEBUG] Toggle Debug Level -- Driver Debug "
[2022-12-17T10:18:25.388 UTC INFO ][ org.kde.kstars.ekos] - "CCD Simulator" is connected and ready.
[2022-12-17T10:18:25.442 UTC INFO ][ org.kde.kstars.ekos] - "Telescope Simulator" is connected and ready.
[2022-12-17T10:18:25.449 UTC INFO ][ org.kde.kstars.ekos] - "MoonLite" is connected and ready.
[2022-12-17T10:18:35.087 UTC INFO ][ org.kde.kstars.ekos] - "Failed to connect to \nMoonLite\nCCD Simulator\nTelescope Simulator\nPlease ensure each device is connected and powered on."
[2022-12-17T10:18:42.014 UTC DEBG ][ org.kde.kstars.indi] - MoonLite : "[DEBUG] Connecting to /dev/ttyUSB0 @ 9600 "
[2022-12-17T10:18:42.018 UTC DEBG ][ org.kde.kstars.indi] - MoonLite : "[DEBUG] Port FD 3 "
[2022-12-17T10:18:42.018 UTC DEBG ][ org.kde.kstars.indi] - MoonLite : "[DEBUG] Connection successful, attempting handshake... "
[2022-12-17T10:18:42.019 UTC DEBG ][ org.kde.kstars.indi] - MoonLite : "[DEBUG] CMD <:GV#> "
[2022-12-17T10:18:46.019 UTC DEBG ][ org.kde.kstars.indi] - MoonLite : "[DEBUG] CMD <:GV#> "
[2022-12-17T10:18:50.022 UTC DEBG ][ org.kde.kstars.indi] - MoonLite : "[DEBUG] CMD <:GV#> "
[2022-12-17T10:18:54.028 UTC INFO ][ org.kde.kstars.indi] - MoonLite : "[INFO] Error retrieving data from MoonLite, please ensure MoonLite controller is powered and the port is correct. "
[2022-12-17T10:18:54.028 UTC DEBG ][ org.kde.kstars.indi] - MoonLite : "[DEBUG] Handshake failed. "


DEMSG says:

[ 368.441371] usb 1-1.1: new full-speed USB device number 4 using xhci-hcd
[ 368.570004] usb 1-1.1: New USB device found, idVendor=1a86, idProduct=7523
[ 368.570008] usb 1-1.1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[ 368.570010] usb 1-1.1: Product: USB2.0-Ser!
[ 368.580428] ch341 1-1.1:1.0: ch341-uart converter detected
[ 368.581169] usb 1-1.1: ch341-uart converter now attached to ttyUSB0

Can anyone please help?

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