Ring Mod Guitar Pedal

I made this guitar pedal following my friend Randy Sarafan’s design. It is a gift for my brother’s 40th birthday, and since I don’t have an electric guitar to test it with, I had to use our pocket piano. =D

3D Printer Filament Dry Box

This tutorial describes how I made a dry box for my 3D printing filament. It protects the PLA from absorbing moisture from the air, which can lead to failed prints and nozzle clogs. The dry box dispenses the filament to the 3D printer too, providing convenient storage.

This box fits four standard rolls of filament. This is an easy project that takes less than an afternoon to complete, and then you’ll reap the filament-preserving benefits for countless days to come!

You’ll need a gasketed plastic container that’s at least as tall and deep as a roll of filament, and as long as you want to accommodate your shelf space or filament collection.

Besides the box, you’ll need a piece of PVC pipe or closet rod to match the length of your box (I cut mine with a hand saw), some teflon tubing to feed your filament to the printer, some silica gel packets to absorb moisture from the air inside the box, a step drill and screw gun, some O-rings and screws (with appropriate drivers), and some 3D printed parts I found on Thingiverse.


3 Beginner Arduino Mistakes

In my decade of experience building with and teaching Arduino, I see three mistakes more often than any others. Beginners typically:

  1. bite off more than they can chew by attempting to build a project with too many elements at once,
  2. make incorrect assumptions during prototyping,
  3. and underutilize the resources available to them online.

Full writeup on Instructables