5) Other interesting facts about the “Solo”
✔ The “Solo” is based on the Raspberry Pi model “B”, and has a really friendly power
consumption of approx < 2 W.
✔ Inside the box there's a SD card acting as the hard disk of the device. It is mounted in
“read only” mode, meaning that:
• there's no problem at all unpowering the unit, the SD card will never become
corrupt. It is only written, for a very short while, after configuration changes or a
system update.
• It will take a while (minutes...), after powering the Solo, for it to retrieve the
correct time and date, please be patient!
• Also, the SD will not “worn out”; these cards had a limited number of write
operations, so being read only will extend its life almost indefinitely.
✔ You can get the last reading from the CloudWatcher easily to use in a program or a
personal web: http://aagsolo/cgi-bin/cgiLastData
✔ In a similar way, you can get the historical data for up to 48h: http://aagsolo/cgi-
bin/cgiHistData
✔ The system is quite hacker friendly; you can,
under your responsibility
, login via ssh and
tweak the web pages or whatever. For ssh connections, the user is “pi”, the password
“cloudwatcher”.
✔ … and, as always, your suggestions are most welcome.
SOLO - Users manual v. 2.5 19/20 19. Jan. 2021
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