Tuesday, July 23, 2013

Running From an External Hard Drive

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The SD card of the Raspberry Pi is required for booting.  While you may not be able to boot from an external hard drive, moving the root p...
79 comments:
Saturday, July 13, 2013

Pulse Width Motor Control

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My last project had me digging through old robotics parts to find an H-Bridge Motor Controller .  I found one that had several TTL chips on ...
2 comments:

Gotta Know When to Fold 'em

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For the past few months, I have burned up a lot of hobby time trying to build an interface to control the Orbit 58874 sprinkler control val...
3 comments:
Friday, June 7, 2013

Problems and Distractions

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I haven't been able to post in quite a while - far too many things in real life distracting me.  But now that I have gotten back to hobb...
3 comments:
Friday, March 8, 2013

USB Hub Modified to Back Feed Power

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Most powered USB hubs will not feed power back into the host system.  This is normally a good thing.  However, it is possible to power the R...
3 comments:
Thursday, March 7, 2013

Low Memory Automatic Reboot

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Below is my solution to the memory leak problem that I discovered in the frame buffer interface used by my digital picture frame.  My first ...
13 comments:
Monday, February 4, 2013

Jumbo Digital Picture Frame

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What do you do with a spare flat panel monitor?  If you are a Raspberry Pi hobbyist, you turn it into a jumbo size digital picture frame.  P...
42 comments: