3 Feb 21, 2024
The L20 Solar-Cell Tracker’s main function is to take GPS locations with an onboard
modem, then transmit those GPS locations over LTE-M cellular networks to a cloud
database.
Data access and device configuration are both done within a web browser by the user.
Section 3 Using the Web Interface
All configuration and data downloads for L20 trackers are done via a simple browser
web interface. This interface changes values within a cloud that the trackers connect to
on each scheduled LTE session.
Logging in
To reach the online dashboard, navigate to the URL given in the email/QR code upon
purchasing an L20. A login page will show, where users will enter their username /
password, which is delivered via email when first purchasing any L20 model.
Selecting a Tracker
The top of the webpage has a dropdown menu that gives access to all trackers that are
available to the user. Clicking on one of the choices in the menu populates current
settings into the interface. The user is then able to select one of the three views for the
tracker:
Configuring a Tracker
By default, after logging in, the user is brought to the tracker configuration page. This
view is for changing schedule settings for the L20. The first slider changes how
frequently the tracker tries to get a GPS fix. The second slider changes the interval
between LTE data sessions, where the tracker sends its data and looks in the cloud for
new schedule configurations.
The Adaptive fix switch changes the GPS fix schedule to be variable, based on battery
voltage trends. The L20 will learn how quickly the battery is draining/charging over the
course of several days and adjust the fix schedule to maintain a charge of
approximately 90%. This mode allows faster GPS fixes than a programmed schedule,
but the exact rate of data collected will be variable based on sunlight. The L20 ignores
all user GPS settings when Adaptive Fix mode is enabled. Internal algorithms will
work to keep the L20 operating with minimal downtime in low-light conditions.
IMPORTANT: the user MUST click the “Save New Configuration” button for
schedule changes to take effect.
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