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Multirotor Reference Links
Great intro to Lithium Polymer (LiPo) batteries: http://www.instructables.com/id/Lithium-Polymer-Etiquette/ Loads of great info on all aspects: http://blog.oscarliang.net/
Posted in Multirotors
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Hubsan X4 H107L Quadcopter
My son and I had been looking at quadcopters for a while and decided it was time to pull the trigger. The idea was to confirm our interest before spending too much cash and time building a more sophisticated one. … Continue reading
Posted in Multirotors
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Using End/Home key for SUSE Linux with PuTTY
Using the default PuTTY session configuration the [Home] and [End] keys don’t work under SUSE. Not sure why the keys work differently on SUSE linux with PuTTY then other distributions, but it does. Anyway the solution is a simple setting. … Continue reading
WD My Book Live Duo – Readonly Public Share
The Western Digital MyBook Live Duo is a nice cheap NAS for home use. Can be set to RAID1 for redundancy. The first nuisance I ran into was for making public shares read-only to the world and write-able to specific … Continue reading
Posted in Linux General
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Kenwood KDC-BT752HD Bluetooth Through the Front Speakers Only?
A while back I installed a Kenwood KDC-BT752HD in one of my cars to replace the lame unit that came from the factory. The main feature I wanted was BT audio (A2DP streaming), Pandora functionality and HD radio were bonuses. I use the … Continue reading
Posted in Car Stuff
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Android Bluetooth ODB Reader
Useful Links: http://developer.android.com/guide/topics/wireless/bluetooth.html http://code.google.com/p/android-obd-reader/
Posted in Car Stuff
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Secure Remote Backups on the Cheap
Like many “technically minded” families we have started to accumulate a startling amount of data at home. A couple hundred gigs of storage on the file server used to be more than adequate. I did a pretty good job of making sure … Continue reading
Posted in Linux General
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Getting Permanent Marker off a Whiteboard
The other day while taking notes during a conference call I accidentally wrote on my whiteboard with a Sharpie marker. After several minutes of swearing I remembered a tip I had heard years ago. Using a white board marker scribble … Continue reading
Posted in Life Hacks
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Batch gpg Decrypt and Unzip
In Linux: To batch decrypt with gpg: echo {yourpassphrase} | gpg –passphrase-fd 0 –decrypt-files *.pgp To batch unzip: unzip “*.zip”
Posted in Linux General
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Common SQL Server Troubleshooting Queries
Last Query for All Open Connections (source): SELECT * FROM sys.dm_exec_requests er CROSS APPLY sys.dm_exec_sql_text(er.sql_handle) AS t Number of Open Connections (source): SELECT DB_NAME(dbid) as DBName, COUNT(dbid) as NumberOfConnections, … Continue reading
Posted in SQL Server
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