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Category Archives: Gadgets
Beaglebone Linux 101: Assigning a Static IP Address with Connman
My article on configuring Angstrom Linux included instructions for setting a static IP address. Sometime after posting that article, I realized that the instructions work great unless you happen to reboot. Then, the settings reverted to the default of using … Continue reading
Beaglebone Linux 101: Configuring Angstrom Linux
My previous two articles about the Beaglebone (here and here) focused on using it as a development platform for handling Arduino-like tasks: interacting with digital, analog and serial devices. In this article I’m going to cover the basics of using … Continue reading
Beaglebone Coding 101: Using the Serial and Analog Pins
[Updated Jan 25: Correction! There is a 1.8V voltage source on the Beaglebone: Port 9 Pin 32. Thanks to Koen Kooi for the info. I've updated the text with this information] This article is my second explaining the fundamentals of … Continue reading
Posted in Electronics, Gadgets, Programming
Tagged Beagleboard, Beaglebone, Electronics, Linux, Python
22 Comments
Beaglebone Coding 101: Blinking an LED
[Updated Jan 22 - various improvements to the Python sample code at the end of the article] In November, Texas Instruments, Digi-Key and the other members of Beagleboard.org, the Beaglebone. This is a simpler, more hobbyist-friendly little brother to the … Continue reading
Posted in Electronics, Gadgets, Programming
Tagged Beagleboard, Beaglebone, Electronics, Linux, Python
17 Comments
A Pachube Google Gadget: Size Matters
As described in past articles, I use the Pachube online Database/Internet-Of-Things-Thingee to log data from Tweet-A-Watt and various other sensors. (It’s pronounced “Patch-bay”, apparently, but that won’t stop me from my thinking “Pa-Chew-Bee” every time I see the word. Feel … Continue reading
BeagleBoard XM and Ubuntu 11.04 – The Big Dog Still Has a Burr in its Paw
As I wrote back in December, I switched from running Ubuntu 10.10 to Angstrom on my Beagleboard XM because I was unhappy with Ubuntu’s speed. Some of Ubuntu’s code isn’t ready for the XM’s 1 gigahertz processor, so the processor … Continue reading
A Nimbits Gadget: Minding the Data Store
Updated June 4: I’ve corrected a couple of things, as marked in blue. Also, developers might be interested in my follow-up blog entry A Nimbits Gadget: Programmer’s Show And Tell Updated Dec 3/11: I fixed a broken feature: autoscaling of … Continue reading
Beagleboard XM / Angstrom Next Steps: NTP Time Daemon and Cron
At about 8 am on January 1st, I was awakened by the beep-beep-beep of an unhappy UPS system. The power had gone off, and it stayed off for about half an hour. Mercifully (this being 8 am on January 1), … Continue reading
Beagleboard XM / Angstrom Next Steps: Assigning a Static IP
A few weeks ago I wrote about configuring a Beagleboard XM to run Angstrom Linux. At the time I was somewhat dubious about whether Angstrom would prove to be a stable platform. So far, so good. My Beagleboard XM has … Continue reading
Beagleboard XM and Angstrom – Getting the Big Dog to Run At Full Speed
When I received a Beagleboard XM low-power computer a few weeks ago, I promptly installed Ubuntu Maverick 10.10 on it. I’ve found Ubuntu’s build for Beagleboard‘s ARM-based processors to be remarkably stable on my previous generation Beagleboard C4, so this … Continue reading