Journal

All Posts

• Solving Inherent Stickiness in SaaS: The Power of Convexity

  November 2, 2014 · business saas startups

  Explore how SaaS products achieve true stickiness through convexity and integrated offerings, creating competitive advantages beyond exit barriers.

• G-G Surface Generation

  June 19, 2012 · data-analysis engineering

  Using accelerometer data to generate G-G surface plots for vehicle dynamics analysis, enabling comparison of handling, braking, and different vehicle setups.

• Introducing WanderDAQ: Versatile Arduino Data Acquisition

  June 19, 2012 · arduino electronics engineering

  Introducing WanderDAQ: a versatile Arduino shield for data acquisition, featuring screw terminals, serial logging, and microSD card support for robust sensing.

• Parameter Estimation with Virtual Elevation

  June 19, 2012 · aerodynamics cycling data-analysis

  Introducing Virtual Elevation: a parameter estimation tool using Monte Carlo methods. Accurately estimate cycling CdA & Crr from Garmin .TCX power meter data.

• Introducing AutoChung: Estimating Cycling Aerodynamics

  June 15, 2012 · aerodynamics cycling software

  Update on AutoChung, a desktop app for estimating cycling aerodynamic drag (CdA) and rolling resistance (Crr) using the Chung method.

• Miscellaneous MATLAB

  June 10, 2012 · engineering programming

  Useful MATLAB tips learned the hard way: logical indexing, read-only parameters, pre-allocation, OOP, user input, and publishing for cleaner, faster code.

• Mastering Data Acquisition with Arduino

  May 29, 2012 · arduino electronics engineering

  Build an Arduino shield for remote data acquisition with SD cards. Learn PCB design, troubleshooting, and logic level conversion. Migrated from WanderTech.

• Reflections on Bike Racing: Lessons from the Road

  May 18, 2012 · cycling personal racing

  Reflecting on competitive cycling: lessons learned about intense work, risk assessment, mortality, and the unique ''wanderlust'' from years of racing bikes.

• Hill Climbing Optimization: A Stochastic Algorithm Variant

  May 12, 2012

  For the past year or so I have used what I have called a 'stochastic hill climbing algorithm' to handle most non-time sensitive optimization problems.

• Estimating Road Edges from GPS Data

  February 17, 2012

  Building on terrain mapping ideas, this prototype takes GPS longitude, latitude, and elevation data to estimate road edges for cycling simulation.