Wednesday, January 15, 2014

Arduino - Improving refresh rate of a TFT LCD display

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I'm working on a digital speedometer project for my car and I ordered a couple different displays from Adafruit to experiment with. O...
16 comments:
Saturday, January 11, 2014

Daemonized rvm ruby tasks using start-stop-daemon

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I am very new to Ruby so the solution described in this post might be very obvious to some but I could not find all the parts of this solu...
4 comments:
Tuesday, December 31, 2013

Simple way to integrate Nagios with Slack messaging

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At work we recently switched messaging applications from Skype to a new platform called Slack . Slack  just launched in August 2013. I hav...
16 comments:
Monday, November 4, 2013

Upgrading existing Solr installation to new version of Jetty

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At work we have been running into a problem with Apache Solr crashing. Depending on how much it was used we would get several weeks of us...
Thursday, October 24, 2013

Arduino - Using digital potentiometers (AD8403)

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I have seen several blog posts covering the use of digital potentiometers with an Arduino but I haven't seen any that demonstrate digi...
5 comments:
Thursday, October 10, 2013

Arduino - Sending data over a CAN bus

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I have been tinkering with CAN buses due to my interest in cars. It's fascinating to me that packets are flying around a modern vehicl...
125 comments:
Monday, October 7, 2013

Nagios monitoring for Amazon SQS queue depth

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I have found that a bunch of messages stacking up in my SQS queue's can be the first sign of something breaking. Several things can ca...