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dbus-anchor-alarm

A comprehensive boat anchor watch alarm for Victron Cerbo, with deep integration via D-Bus, NMEA 2000, digital inputs, relays, VRM, and more.

dbus-anchor-alarm runs as a Python service for Victron Cerbo GX running Venus OS.
It monitors your anchor position, integrates with NMEA 2000 and Cerbo’s digital inputs/relays, VRM, provides alarms and notifications, and is highly configurable.

Features

  • Native Python service for Venus OS, Victron Cerbo or Ekrano
  • Supports:
    • Anchoring mode and mooring ball mode
    • Digital inputs (anchor up/down, set radius, mute alarm, mooring ball mode)
    • Cerbo relays for buzzers/alarms
    • Display of anchor's position on chartplotters as AIS target
    • Alarm/notification on Cerbo GX
    • Feedback on Cerbo’s main screen (using system name)
    • NMEA 2000 digital switching triggers and feedback
    • Engine RPM and Speed Over Ground PGN for auto safe radius
    • YachtDevice YDAB-01 NMEA Alarm Button support
    • MQTT and Node-RED via D-Bus
    • Settings management via MQTT, dbus-spy, or Node-RED
    • Out-of-radius, no-GPS, muting, and radius tolerance adjustment
    • Push notification and remote monitoring using VRM

Cerbo Main screen

Disclaimer:
This anchor alarm is provided as an aid for monitoring your boat's position, but it is not a substitute for proper seamanship or safe mooring practices. Never rely solely on this alarm for the safety of your vessel, crew, or others. The authors and contributors of this project cannot be held responsible for any loss, damage, or injury resulting from the use of this software. Always use multiple means to ensure your vessel is safely moored.

Table of Contents

Anchoring Mode

Anchoring Mode is the standard mode of the anchor alarm. The system watches your position relative to the saved anchor drop point and triggers alarms if you drift outside the safe radius.

How to Use Anchoring Mode

  1. Anchor Drop:

    • Trigger the anchor drop event automatically by wiring windlass DOWN solenoid to a digital input, use a physical button, or a virtual NMEA digital switching button.
    • The system saves the current GPS position as the anchor point.

  2. Chain Out (Set Safe Radius):

    • Let out your anchor chain and attach bridle. Inform the system either automatically (using engine RPM/SOG via NMEA), via a button, or another digital switching trigger.
    • The system calculates and sets the safe radius and starts monitoring.

  3. Alarm Monitoring:

    • While active, the system continuously monitors GPS.
    • If the vessel moves outside the safe radius plus any configured tolerance or if GPS is lost for more than 30 seconds, it can :
      • Send emergency feedback to the NMEA network
      • Activate configured Cerbo relay(s)
      • Trigger a YDAB-01 alarm if present
      • Display a notification/alarm on Cerbo
    • If the boat returns to the safe radius, the alarm is not cleared automatically; it must be reset by the user.

  4. Alarm Muting:

    • While in an alarm state, it can be muted for 30 seconds by:
      • Acknowledging on the Cerbo screen
      • Acknowledging the emergency NMEA message on a chartplotter
      • Pressing the YDAB-01 button
      • Activating the designated Cerbo digital input

  5. Tolerance Adjustment:

    • You can increase or decrease the radius tolerance via digital switching or settings; the new value is taken into account immediately. If with the new tolerance, the boat is back in safe radius, the alarm will be cleared.
    • When the dragging alarm is active, you can also set a new safe radius as per step 2.

  6. Anchor Up (Disarm Alarm):

    • When raising the anchor, trigger the anchor up event using the windlass UP solenoid wired to a didital input, a button, or digital switching. This disables the anchor alarm.

Mooring Mode

Mooring Mode is a special operating mode for situations where the boat is attached to a fixed object such as a mooring ball or buoy, rather than anchored. It monitors your position relative to the mooring point and triggers an alarm if you move outside the defined radius.

How to Use Mooring Mode

  1. Activation:

    • Trigger the "Mooring Mode" event using:
      • A physical button wired to a digital input configured for Mooring Mode
      • A virtual Digital Switching button on your chartplotter
      • Programmatically via D-Bus or MQTT

  2. Setting the Mooring Point:

    • When Mooring Mode is activated, the system saves the current GPS position as the mooring location.
    • The anchor alarm arms and uses the radius defined by Settings/AnchorAlarm/MooringRadius (default: 15 meters).

  3. Monitoring:

    • The alarm system monitors your position relative to the mooring point.
    • If the vessel moves outside the mooring radius plus any configured tolerance, an alarm is triggered just as with the anchor alarm.
    • Alarm feedback and muting work identically to Anchoring Mode.

  4. Disarming Mooring Mode:

    • To exit mooring mode and disarm the alarm, trigger the "Anchor Up" event (e.g., by raising the anchor or pressing the corresponding button).

Typical Use Cases:

  • When picking up a mooring ball instead of anchoring
  • When tying to a fixed buoy or dock and you want to monitor for unexpected movement

Hardware Setup

Typical Hardware Setup

  • Cerbo to NMEA 2000:
    Use Victron VE.Can to NMEA 2000 micro-C male cable
    (see Victron docs)
  • Windlass Solenoids:
    Connect via relays to Cerbo digital inputs for anchor down (saving anchor GPS position) and anchor up (disabling anchor alarm).
  • Cerbo Integrated Relay:
    Can be connected to a buzzer.

Extended Hardware Setup

  • Engines on NMEA 2000:
    Use YachtDevice YDAB-04 or similar. Allows auto arm/disarm based on engine RPM/SOG.
  • YachtDevice YDAB-01:
    For instant alarm feedback and mute control.

Minimal Hardware Setup

  • Only requires a constant GPS source (USB dongle or NMEA or any supported GPS source).
    Can be controlled via MQTT, D-Bus, or Node-RED.

Installation

From sources

  1. Enable SSH on Cerbo:
    Enable root access
  2. Clone repository and edit deploy.sh for your Cerbo’s IP.
  3. Make deploy.sh executable and run: 
    chmod u+x deploy.sh
./deploy.sh
    • This creates a VERSION file and rsyncs the folder to Cerbo’s /data/dbus-anchor-alarm.
  4. SSH into Cerbo and run setup: 
    ssh root@<your_cerbo_ip>
cd /data/dbus-anchor-alarm
chmod u+x setup.sh
./setup.sh
    • Ensures all files are executable
    • Creates symlinks for service and dependencies
    • Updates /data/rc.local for persistence
  5. Start the service:
    • Reboot or copy service files in /service for immediate service start
     # svc only monitors /service but gets overwritten at boot time by /opt/victronenergy/service
 ln -s /data/dbus-anchor-alarm/service /service/dbus-anchor-alarm
 cd /service
 # if svc returns a file not found error, wait a bit for it to rescan /service folder
 svc -u dbus-anchor-alarm
    • Stop: svc -d dbus-anchor-alarm

From release

  1. Enable SSH on Cerbo:
    Enable root access

  2. SSH into Cerbo and run :

    wget -qO- https://github.com/blaaaaaaah/dbus-anchor-alarm/raw/master/remote-install.sh | bash

Automatic Installation

Not implemented yet. Planned: InstallHelper.

Configuration

How to Change Configuration Values

  • No Cerbo GX UI:
    Use SSH and dbus-spy, Node-RED or MQTT.

  • dbus-spy:
    After SSH-ing into your Cerbo and starting dbus-spy, make sure to navigate to the com.victronenergy.settings section.
    All dbus-anchor-alarm settings are located under this section, typically at paths like /Settings/AnchorAlarm/XXX.
    This is where you can view and modify every configuration parameter relevant to the anchor alarm.

  • Node-RED:
    Enable Node-RED on the Cerbo in Settings, Venus OS Large Features, Node-RED and import the flow node-red-integration.json or use a Victron Custom Control Node with com.victronenergy.settings and /Settings/AnchorAlarm/XXX.

  • MQTT: Connect to the DBUS using MQTT by enabling MQTT in the Cerbo settings and connecting to it usint MQTT Explorer or equivalent and connect on port 1883. Do not forget to publish R//keepalive to get notified of values.

dbus-spy Node red MQTT

General Anchor Alarm Parameters

Parameter Default Description
Settings/AnchorAlarm/FeedbackUseSystemName 0 Override Cerbo GX system name for feedback
Settings/AnchorAlarm/Last/Active 0 Is the anchor alarm active? Used to re-arm after reboot
Settings/AnchorAlarm/Last/Position/Latitude 0 Last anchor latitude (for reboot re-arm)
Settings/AnchorAlarm/Last/Position/Longitude 0 Last anchor longitude
Settings/AnchorAlarm/Last/Radius 0 Last safe radius
Settings/AnchorAlarm/MooringRadius 15 Default radius for mooring ball mode (meters)
Settings/AnchorAlarm/MuteDuration 30 Mute time (seconds)
Settings/AnchorAlarm/NoGPSCountThreshold 30 Time without GPS before alarm (seconds)
Settings/AnchorAlarm/RadiusTolerance 15 Tolerance added to safe radius (meters)

Anchor Alarm Connectors

NMEA 2000 & Digital Switching

Description:
Integrates with the NMEA 2000 backbone for anchor alarm triggers, feedback, and digital switching events. Enables chartplotter control, feedback, and allows for use with digital switching-capable devices.

Wiring:
Connect the Cerbo to the NMEA 2000 backbone using the Victron VE.Can to NMEA 2000 micro-C male cable.
You may need an additional T-connector if your NMEA backbone does not have a free slot.

Configuration Parameters:

Parameter Default Description
Settings/AnchorAlarm/NMEA/CanDevice auto Physical CAN Device to use. Set can0, vecan1 or appropriate value if auto discovery is not working
Settings/AnchorAlarm/NMEA/Alert/AutoAcknowledgeInterval 15 Duration before "info" NMEA feedback auto-acknowledges (seconds)
Settings/AnchorAlarm/NMEA/DigitalSwitching/DSBank 221 Digital Switching Bank used for anchor alarm switches
Settings/AnchorAlarm/NMEA/DigitalSwitching/AdvertiseInterval 5 Interval between NMEA switch status broadcasts (seconds)
Settings/AnchorAlarm/NMEA/DigitalSwitching/AnchorDownChannel 1 Channel for Anchor Down event
Settings/AnchorAlarm/NMEA/DigitalSwitching/AnchorChainOutChannel 2 Channel for Chain Out event
Settings/AnchorAlarm/NMEA/DigitalSwitching/AnchorUpChannel 3 Channel for Anchor Up event
Settings/AnchorAlarm/NMEA/DigitalSwitching/MuteAlarmChannel 4 Channel for MuteAlarm event
Settings/AnchorAlarm/NMEA/DigitalSwitching/MooringModeChannel 5 Channel for Mooring Mode event
Settings/AnchorAlarm/NMEA/DigitalSwitching/DecreaseToleranceChannel 6 Channel for decreasing tolerance by 5m
Settings/AnchorAlarm/NMEA/DigitalSwitching/IncreaseToleranceChannel 7 Channel for increasing tolerance by 5m
Settings/AnchorAlarm/NMEA/DigitalSwitching/DisabledFeedbackChannel 11 Feedback channel: disabled state (no input)
Settings/AnchorAlarm/NMEA/DigitalSwitching/DropPointSetFeedbackChannel 12 Feedback channel: drop point set (no input)
Settings/AnchorAlarm/NMEA/DigitalSwitching/InRadiusFeedbackChannel 13 Feedback channel: in radius (no input)
Settings/AnchorAlarm/NMEA/DigitalSwitching/AlarmDraggingFeedbackChannel 14 Feedback channel: alarm dragging (no input)
Settings/AnchorAlarm/NMEA/DigitalSwitching/AlarmDraggingMutedFeedbackChannel 15 Feedback channel: alarm dragging muted (no input)
Settings/AnchorAlarm/NMEA/DigitalSwitching/AlarmNoGPSFeedbackChannel 16 Feedback channel: alarm no GPS (no input)
Settings/AnchorAlarm/NMEA/DigitalSwitching/AlarmNoGPSMutedFeedbackChannel 17 Feedback channel: alarm no GPS muted (no input)

Digital Inputs (Windlass, Buttons, etc.)

Description:
Allows connection of windlass solenoids or physical buttons to Cerbo digital inputs for controlling anchor up/down, chain out, mooring mode, or muting the alarm.

Wiring:

  • Use 2 DC relays between the windlass' solenoid UP and DOWN inputs (remote, foot switches, etc.) and 2 Cerbo digital inputs.
  • Use DIN rail or Bosch car relay (Bosch Mini Relay).
  • Ensure relay coil voltage matches windlass control (12V/24V).
  • Relay Wiring:
    • Connect pins 85/86 in parallel to windlass solenoid input side.
    • Connect pins 30/87 to Cerbo digital input.
      (Before connecting, verify relay operation and ensure NO POWER goes to pins 30/87.)
  • Cerbo configuration
    • Navigate to Settings, I/O, Digital Inputs and enable appropriate Digital Inputs.
    • Set type as Bilge pump

TODO: Add wiring diagram

Configuration Parameters:

Parameter Default Description
Settings/AnchorAlarm/DigitalInputs/AnchorDown/DigitalInputNumber 2 Digital input number for Anchor Down event (0=disable)
Settings/AnchorAlarm/DigitalInputs/AnchorDown/DigitalInputDuration 3 Min duration for Anchor Down event (seconds)
Settings/AnchorAlarm/DigitalInputs/AnchorUp/DigitalInputNumber 1 Digital input number for Anchor Up event (0=disable)
Settings/AnchorAlarm/DigitalInputs/AnchorUp/DigitalInputDuration 3 Min duration for Anchor Up event (seconds)
Settings/AnchorAlarm/DigitalInputs/ChainOut/DigitalInputNumber 0 Digital input number for Chain Out event (0=disable)
Settings/AnchorAlarm/DigitalInputs/ChainOut/DigitalInputDuration 0 Min duration for Chain Out event (seconds)
Settings/AnchorAlarm/DigitalInputs/MooringMode/DigitalInputNumber 0 Digital input number for Mooring Mode event (0=disable)
Settings/AnchorAlarm/DigitalInputs/MooringMode/DigitalInputDuration 0 Min duration for Mooring Mode event (seconds)
Settings/AnchorAlarm/DigitalInputs/MuteAlarm/DigitalInputNumber 0 Digital input number for MuteAlarm event (0=disable)
Settings/AnchorAlarm/DigitalInputs/MuteAlarm/DigitalInputDuration 0 Min duration for MuteAlarm event (seconds)

Typical setup:

  • Digital Input 1: Anchor UP
  • Digital Input 2: Anchor DOWN (default input time: 3s)

Each event can have a minimal digital input duration to avoid accidental triggers.

Cerbo & VRM Notifications and Alarms

Description:

Cerbo's notifications and alarms system is pretty rigid, a workaround is to use one of the Digital Input. Even if you are not using a Digital Inputs, navigate to Settings, I/O, Digital Inputs and enable one Digital Inputs, set type to Bilge pump.

Upon alarm condition, the system will override the name of the Digital Input and force its alarms state. The previous name of the Digital Input will not be saved or restored and will contain the current state message of the anchor alarm.

VRM integration - Push Notifications

Digital inputs alarms are monitored by default by VRM and a push notification will be sent to your phone when an alarm state is detected : See ([Getting started with VRM]https://www.victronenergy.com/media/pg/VRM_Portal_manual/en/getting-started-with-vrm.html)

Note: If you have multiple users registered in your installation, make sure to toggle the Enable switch under Settings / Alarm rules of your installation in the VRM portal.

VRM integration - Remote Console

In order to view anchor alarm's state remotely, activate "Remote console" on your Cerbo under Settings / Remote Console / Enable on VRM.

The Cerbo console will be available in your site's side menu under "Remote Console"

Configuration Parameters:

Parameter Default Description
Settings/AnchorAlarm/DigitalInputs/AnchorDown/FeedbackDigitaInputNumber 1 Digital input number to use for state feedback (0=disable)

Engine Gateway / NMEA SOG+RPM

Description:
Supports auto-arm of the anchor alarm based on engine RPM and Speed Over Ground via the NMEA 2000 network (e.g., with YachtDevice YDAB-04 engine gateway).

Wiring:

  • Use a YachtDevice YDAB-04 or other NMEA 2000 compatible engine gateway that provides RPM PGN (127488).
  • Make sure to order the gateway with the correct adapter for your engine brand/model.
  • For Yanmar engines (and maybe others), the YDAB-04 can be connected on a usually free debug connector on the engine side. However, it might be more pratical in your situration to have the YDAB-04 engine gateway near the engine control panels and NMEA backbone and might need to use a Yanmar Y splitter harness cable on the control panel side.

Configuration Parameters:

Parameter Default Description
Settings/AnchorAlarm/NMEA/SOGRPM/Duration 3 Duration (seconds) for RPM/SOG condition before ChainOut event triggers
Settings/AnchorAlarm/NMEA/SOGRPM/NumberOfEngines 2 Number of engines to monitor
Settings/AnchorAlarm/NMEA/SOGRPM/RPM 2 Minimum RPM for ChainOut event
Settings/AnchorAlarm/NMEA/SOGRPM/SOG 0.3 Maximum SOG (knots) for ChainOut event (default 0.3)

YachtDevice YDAB-01 Alarm Button

Description:
Provides visual/audible feedback and mute control for the anchor alarm via a dedicated NMEA 2000 device.

Wiring:

  • Connect the YDAB-01 to the NMEA 2000 backbone using a T connector.
  • Add small loudspeakers as needed (example).

Feedback states:

  • DISABLED: LED off, no sound
  • DROP_POINT_SET: LED blinking, no sound
  • IN_RADIUS: LED slow glow
  • ALARM_DRAGGING: LED fast blink, alarm sound
  • ALARM_DRAGGING_MUTED: LED fast blink, no sound
  • ALARM_NO_GPS: LED fast blink, alarm sound
  • ALARM_NO_GPS_MUTED: LED fast blink, no sound

Configuration Parameters:

Parameter Default Description
Settings/AnchorAlarm/NMEA/YDAB/AlarmSoundID 15 Sound ID for alarm state
Settings/AnchorAlarm/NMEA/YDAB/AlarmVolume 100 Alarm volume (0-100)
Settings/AnchorAlarm/NMEA/YDAB/DSDropPointSetChannel 10 Digital Switching channel: Drop Point Set
Settings/AnchorAlarm/NMEA/YDAB/DSAlarmChannel 11 Digital Switching channel: Alarm
Settings/AnchorAlarm/NMEA/YDAB/DSAlarmMutedChannel 12 Digital Switching channel: Alarm Muted
Settings/AnchorAlarm/NMEA/YDAB/DSBank 222 Digital Switching Bank number
Settings/AnchorAlarm/NMEA/YDAB/NMEAAddress 0 NMEA Address of the YDAB-01 (0=disable)
Settings/AnchorAlarm/NMEA/YDAB/StartConfiguration 0 Write 1 to start YDAB-01 configuration

Note : To start configuration of the YDAB-01 device, write 1 in Settings/AnchorAlarm/NMEA/YDAB/StartConfiguration using dbus-spy, Nore-Red or MQTT. If it succeeds, it will play a cheerful chime. If not, an error will be reported on chartplotter and the Cerbo notification system.

Anchor position on chartplotters

Description:
Provides visual feedback of where the anchor is dropped on chartplotters. Since no manufacturer currently support the appropriate NMEA PGNs (see https://www.yachtd.com/news/wpl_rte_update.html), a workaround is to use an AIS target to show anchor's position.

Configuration Parameters:

Parameter Default Description
Settings/AnchorAlarm/NMEA/AISAnchor/AdvertiseInterval 5 Interval at which anchor position is advertised. Use 0 to disabled
Settings/AnchorAlarm/NMEA/AISAnchor/Name Anchor Name to be used for the anchor AIS target

Cerbo GX Integrated Relays

Description:
Allows the anchor alarm to drive a physical relay for a buzzer, alarm, or external load.

Wiring:

  • Use the Cerbo integrated relay output.
  • For high load applications, use an intermediate relay as described in Cerbo documentation.

Configuration Parameters:

Parameter Default Description
Settings/AnchorAlarm/Relay/Enabled 0 Is relay output enabled?
Settings/AnchorAlarm/Relay/Inverted 0 Inverted logic (NC instead of NO)?
Settings/AnchorAlarm/Relay/Number 1 Relay number (avoid 0: used by Victron for generator and other standard applications)

Technical Details

Code Overview

  • anchor_alarm_model.py: State machine
  • anchor_alarm_controller.py: Connects state machine to hardware/NMEA/DBUS
  • anchor_alarm_service.py: Main entry point
  • gps_provider.py: Monitors GPS from D-Bus
  • nmea_bridge.py: Node.js bridge for NMEA

GPS

  • The GPS position is fetched by monitoring the com.victronenergy.gps dbus service, fallbacking to any 129029 PGN on the NMEA network.
  • The Victron Cerbo is responsible of creating and populating this service from NMEA 2000 source, physically connected GPS USB device, ...
  • Once one of the GPS service instance will get a GPS fix, the anchor alarm will use this service.
  • If no GPS service is available on the victron (or if they come unavailable), it will fallback on 129029 PGNs sent on the NMEA network (getting positions from AIS devices for instance).
  • If there's not GPS position available for more than 30 seconds, the anchor alarm will trigger an alarm.

Note: The victronenergy.gps dbus service will only get NMEA GPS sources if Class Device is 60 and Function is 145, meaning it will not pickup all GPS PGNs on the NMEA network and will ignore AIS GPS sources for instance. (see https://communityarchive.victronenergy.com/questions/114224/cerbo-gx-nmea-2000-device-config-in-out%EF%B9%96childToView=114971.html#comment-114971).

Warning: There might be susbstantial differences of GPS positions between sources, up to 12m between Garmin AIS 800 and Garmin GPS 24xd installed 15cm apart.

DBUS Paths

  • Alarm state and triggers available via D-Bus and MQTT.
  • Use dbus-spy or MQTT for integration.
Path Description
Alarm 0/1, in alarm state
Connected 1, mandatory path
DeviceInstance, FirmwareVersion, HardwareVersion, ProductId, ProductName Victron mandatory paths
Level info, warning, error, emergency
Message Current feedback text, updated every second
Mgmt/Connection, Mgmt/ProcessName, Mgmt/ProcessVersion Management info
Muted 0/1, alarm muted state
Params JSON string with all context
State DISABLED, DROP_POINT_SET, IN_RADIUS, etc.
Triggers/AnchorDown Write 1 to trigger event
Triggers/ChainOut Write 1 to trigger event
Triggers/AnchorUp Write 1 to trigger event
Triggers/DecreaseTolerance Write 1 to trigger event
Triggers/IncreaseTolerance Write 1 to trigger event
Triggers/MooringMode Write 1 to trigger event
Triggers/MuteAlarm Write 1 to trigger event

Note:
dbus-spy cannot write 1 multiple times to Triggers/*. Instead, use:

dbus -y com.victronenergy.anchoralarm /Triggers/AnchorDown SetValue %1

Garmin GPSMAP 1243 Digital Switching integration

Setting up Digital Switches

On a Garmin GPSMAP 1243, to configure Digital Switching go to "Vessel" then "Switching", then "Setup".

garmin-step-1

garmin-step-2

dbus-anchor-alarm switches will labeled "Switch <bank id>*28+<channel>" (e.g., Anchor Down: Switch 6189).

Use the "Configuration Switch" button to rename all appropriate buttons. The 7 first switches will be input buttons. The following will be status buttons to show the current state of the alarm. Refer to NMEA 2000 & Digital Switching.

Setting up Anchoring Screen

Once the switches names are configured, you can regroup the ones you would use the most in a Page. Under SmartMode, create a new Layout, select 2 columns layout :

  • Left column could be charts or camera, as big as possible
  • Right column would be switching page, as small as possbile. Select the page with your Anchor alarm control buttons
  • Overlay could be "Top" with SOG and Depth, on the left side to not be hidden by NMEA Alerts

garmin-step-3

Uninstall

To uninstall the anchor alarm you need to :

# remove service
cd /opt/victronenergy/service
svc -d dbus-anchor-alarm
rm dbus-anchor-alarm

cd /service
rm dbus-anchor-alarm

# remove from rc.local the 2 symlink lines :
# ln -s /data/dbus-anchor-alarm/service /opt/victronenergy/service/dbus-anchor-alarm
# ln -s /usr/lib/node_modules/signalk-server/node_modules/ /data/dbus-anchor-alarm/node_modules
# OR remove rc.local
cd /data
vi rc.local
#rm rc.local

rm -rf /data/dbus-anchor-alarm

Known issues

  • VRM notification might not show the most updated message, however Remote Console will

Troubleshooting

You can run each component of the system independently for debugging and troubleshooting purposes.

Running Individual Components

  • Connectors:
    SSH into your device, navigate to /data/dbus-anchor-alarm/connectors, and run:

    python3 nmea_ds_connector.py

    This will start the connector with debug messages enabled.

  • NMEA Bridge:
    To launch the NMEA bridge as a standalone process, go to /data/dbus-anchor-alarm and execute:

    python3 nmea_bridge.py

  • Anchor Alarm Service:
    To run the anchor alarm manually and view logs in the terminal:

    cd /service
svc -d dbus-anchor-alarm  # Stop the service if running

cd /data/dbus-anchor-alarm
python3 anchor_alarm_service.py

This allows you to isolate and debug issues with individual components more easily.

License

MIT

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Anchor Alarm running as a service on Victron Cerbo

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Releases 2

1.0.1 Latest
Jun 9, 2025
+ 1 release

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