Author Archives: Calvin

Replacement Table Saw Blade Nut

I bought a table saw for $20 without a blade or a blade nut. Actual replacement blade nuts are special order items for most hardware stores. Turns out the thread is a 5/8″-18 UNF nut. Some hardware stores carry these, … Continue reading

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3D Printer Bed Leveling with a Dial Indicator

I made a custom bracket to so I could use a dial indicator to more accurately level my 3D printer’s bed. Works great and is relatively simple to use. Check out the video to see how it’s mounted and how … Continue reading

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Horizontal Pen Holder

I modeled and 3D printed a horizontal pen holder that can sit on a desk or hand from a wall. It’s designed with fountain pens in mind. Download: http://www.thingiverse.com/thing:1673609  

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Customizing a Clamp-on LED Work Light

This LED work light stopped working when the driver chip let out the magic smoke. Getting a replacement wasn’t in the cards, so I added 2x 10W LEDs to it and a fan. Works a treat! Video: https://youtu.be/kIWf1yko5mM Materials: 12V … Continue reading

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DeWalt DW304P Reciprocating Saw Teardown

I bought this DW304P (DW304PK) saw from a pawn shop and decided to take it apart. Some people probably don’t realize this, but lots of tools are serviceable and require maintenance. I took this saw apart to add some new … Continue reading

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BMW Oilhead Spark Plug Cap Removal Tool

I had a hard time pulling the spark plug caps off of my BMW R1150GS and ended up needing to make a simple tool to do it without damaging anything. It just takes a small bit of 1-1/2″ PVC and … Continue reading

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BMW R1150GS (ABS II) Brake Bleeding Tips

I had a lot of trouble bleeding the brakes on my 2001 BMW R1150GS recently. Turns out it’s mostly because I was looking at procedures for the newer R1150GS with ABS III. The older R1150GS has the ABS system from … Continue reading

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Stepper motor ramp controller using the Arduino

This is a basic example of controlling a stepper motor using an Arduino. I’ve coded from scratch a function that allows the motor to ramp up (accelerate) and ramp down (decelerate) based on a specified rate. The code uses the … Continue reading

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The Colorado Mile

If you came here looking for my videos from The Colorado Mile (Sept. 4-6) then please visit my YouTube channel: https://www.youtube.com/user/SpeedInStereo

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4chan Image Downloader – Version 9

Another update to the 4cdl script. When archiving the webpage it will show the image thumbnail and fix the links to the downloaded images. The page does not display completely, this is because of 4chan’s recent changes. I do not … Continue reading

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