Emacs notes on writing code, writing prose, org-mode, agenda, etc.

Using old ruby and irb on macOS

Notes on using the old versions of ruby and irb that come with macOS 6/27/2020

Share 3DS screenshots to macOS over wifi with ruby

Share Nintendo 3DS screenshots to macOS over wifi using a file upload form and local web server written in ruby 4/23/2020

Making a thermometer with Trinket M0 and DS18B20

Build Diary: How I made a thermometer with a Trinket M0, DS18B20 temperature sensor, and CircuitPython 🤒 😷 3/28/2020

Calculating with Color and Luminosity

Notes on Munsell System, color space transforms, CIE 1924 photopic V(λ) luminous efficiency function, etc. 8/24/2018

Sysadmin  💻 🔧

Notes on macOS, Linux, and Chrome OS system administration