Lightrouter
The Lightrouter designed and created by A. Trawöger is a low-cost, low-energy-consumption replacement for the computer needed to run the IYA-Lightmeter. It is based on a commercial WLAN-router that is run under OpenWRT-linux to control the IYA-Lightmeter with minimum effort.
Transferred from old Wiki - --GW (talk) 11:08, 8 November 2015 (CET)
Successor
Since Sept./Oct. 2016, the LightPi is under development.
Components
Lightmeter
Lightmeter of type mk2.3 or mk2.3L.
Price: ~100€
WLAN-Router
TP-LINK TL-WR1043ND
Price: ~50€
USB-Stick
Any low-cost 4GB-Stick
Price: ~5€
Timer Switch
electro-mechanical timer
like this one: [[1]] --GuentherWuchterl 12:38, 29. Mai 2012 (UTC)
Price: ~4€
for a 12V-DC-environment (e.g. solar power system): [[2]]
Price: ~40€
----------> ---> --> -> anmerkung: conrad-links sind tot. lg, --Nero2401 20:22, 18. Jun. 2013 (UTC)
USB-Hub
simple 4-port hub. no additional powersupply needed.
Price: ~7€
UMTS-Stick (optional)
only if there is no ethernet/WiFi available
HUAWEI E173 (~2-3GB traffic per year)
Price: ~50€
GPS-Mouse (optional)
only if there is no possibility of connecting to the internet
Any GPS-Receiver with internal ("virtual") serial port.
Price: ~30€
Stations
Stations with a Lightrouter-solution:
NZ_Tekapo - Lake Tekapo Observatory
NL_Comparison - LM/SQM-Intercomparison in Cabauw
AT_Kuffner - Kuffner Sternwarte