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A Hobbyist Hacker's Blog

New Site Generation Platform

January 10, 2024 - 51 words - 1 mins
Trying out this thing called Zola. Bumped into it as it's the same engine used by the blog_os website. Sort-of migrated the interesting posts from the old site to the new one. The Old Blog will be going down permanently at the end of January. read more

TI eQEP Driver Tutorial

May 15, 2014 - 908 words - 5 mins
About a year ago I wrote a driver for the enhanced quadrature encoder pulse decoder unit (eQEP) resident in the TI AM33xx series system on a chips. The unit allows one to attach a quadrature encoder to the SoC directly and have it handle counting the encoder ticks, versus needing an external contro… read more

BeagleBoard xM @ 1 GHz

July 24, 2013 - 789 words - 4 mins
Over the past couple of days, I’ve been reading on the boards about the upcoming 3.11-rc2 kernel and the new features it brings for the OMAP SoCs. For the Beagleboard xM, one of the more important new features is the ti-abb-regulator (adaptive body bias) driver, which allows an OMAP… read more

Using a BeagleBone with an HC-SR04 Sonar

April 30, 2013 - 951 words - 5 mins
Over the last couple of days, now that Robogames 2013 has come and gone, I’ve been working on projects that are more experiments than anything else. A few weeks before Robogames, I noticed that there were sonars for real cheap on Wright Hobbies. At the time I didn’t realize that these were all ove… read more