SQM-LE : Ethernet connected Sky Quality Meter disk contents
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Information and software
SQM-LE_Users_manual.pdf Operators manual
  • This manual contains the setup instructions for the unit as well as the communication protocol definition.
UDM for Windows:
Unihedron Device Manager (UDM)

Users manual

Use this software to:
  • Find SQM-LE devices attached to your computer.
  • Read version information.
  • Request a reading from the SQM-LE.
  • Read and set calibration data.
  • Read and change the interval reporting settings.
  • Install new firmware.

UDM for Linux:
UDM for Mac OS X
  • Open dmg file.
  • Then drag app to the /Applications directory.
UDM: source code
Programming langauge: Lazarus/Freepascal
Firmware files Firmware updates
  • These firmware files are to be used by UDM (see above).
  • See the operators manual for firmware revision history.
  • Note: The SQM-LE and SQM-LU use the same firmware.
setup.exe Web Setup application for Windows (1.3 MB)

setup_di_x86x64cd_4.3.0.3.exe
Stand-alone DeviceInstaller Setup application for Windows (70 MB)
Lantronix Device Installer (LDI)
  • This Windows program is useful for modifying the SQM-LE DHCP setting, or assigned IP address.
  • This program only communicates with the Ethernet module in the SQM-LE.
  • Beware: Applying "Default settings" in LDI will cause the SQM to stop communicating, see section 8 of the operators manual to set this back.
SQMReader1320.zip SQM-Reader by Knightware 
  • Windows software by Knightware to read SQM-LE/LU/LR devices.
  • Check www.knightware.biz for latest version as well as SQM-Reader-Pro which has many more features.
GECO_SQM_Setup.exe

Guida_GECO_rev01.pdf (Italian instructions)
GECO
  • SQM-Network is a free network of people that work to fight light-pollution. Installing an SQM you can help us to collect measures from all over the world.
  • Please visit www.sqm-network.com for further information.

Software examples
sqm-le_perl-1.3.zip Perl data logging and plotting code (Windows)
findsqmle.pl Perl example to find the IP address of an SQM-LE attached to the network.Unix (Linux/Mac)
sqm-le-config.zip SQM-LE Linux GAMBAS Configuration utility(Linux/Mac)
sqm-le_perl-1.3.tar.gz Perl data logging and plotting code (Unix)(Linux/Mac)
findsqmle.py Python example to find the IP address of an SQM-LE attached to the network.
dsmgps.tar.gz C source for SQM-LE data-logger, by John Stone
socket.pl Perl example to read the SQM-LE
sqmbest.pl Perl code to identify best reading for each night from Perl logged readings.
sqm-le-java.zip SQM-LE Java connection utility.
sqmlog.pl
sqmplot.pl
Perl data logging and plotting utilities
sqmsocket.py Python example to read the SQM-LE

Reference material


PoE PDF files
Power over Ethernet (PoE) unit specifications. One of these models is shipped with the weatherproof housing.