• December 5, 2024
cooling fan bolted on extruder

3D Printing – Settings, Photos, Problems

With more than expected traffic on the 3D printer setup and instructions… a few comments that might help. PROBLEM: Leak in printer nozzle The printer nozzle initially leaked melted plastic through the threads and later broke when I tried to tighten it… (while it was hot).  If you look at the last photo in the build instructions,…

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Fuel Tracking – October 2016 – Chart

Winter reaches the North and we switch to winter blend gas.    

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Trinket Pro Humidity and Temperature Sensor for Your Desk

So, I wanted to measure the temperature and humidity in my office.  Typically, a simple hygrometer and thermometer could work.  But, how do you log the information?  Paper and pencil?  What happens when I am away?  So, in this project we wire up a small micro-controller, temperature and humidity sensor, screen, and a micro-SD card…

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battery

MacBook Pro Battery Life, 1 Year Old

About a year ago, my workhorse computer started to die.  As its screen dimmed and voltage regulators started screaming, it was time to replace it.  Yes, my always-on, number crunching, Fujitsu Lifebook Tablet started to give out (after its 5th battery, 2nd fan, 3rd hard drive and 2nd set of ram – all easy to replace).  So, I…

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Fuel Tracking – July 2016 – Chart

July Gasoline Use and Statistics: Table Data: *Assumes 10% ethanol for 17.68 lbs-CO2/gallon.

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Fuel Tracking – June 2016 – Chart

June Gasoline Use and Statistics: Since MPG is usually related to operating temperatures, with colder temperatures being less efficient for automobiles. We can see a nearly linear correlation between the average daily temperature and the car’s fuel efficiency (MPG). From this relation we see the MPG is 25.128 plus the temperature times 0.087.  Next month, the…

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