Software engineering, marketing technology, side projects, and occasionally what it's like to run very long distances.https://henrypendleton.com/https://henrypendleton.com/blog/generating-crosswords-with-a-rust-solver-and-an-llm-judge/https://henrypendleton.com/blog/generating-crosswords-with-a-rust-solver-and-an-llm-judge/Building Klew meant generating a good crossword every single day. I wrote a constraint solver in Rust to fill the grids, then handed the output to Claude to tell me which ones were any good. Here's how both halves work.Wed, 03 Jun 2026 00:00:00 GMThttps://henrypendleton.com/blog/rebuilding-my-portfolio-in-astro/https://henrypendleton.com/blog/rebuilding-my-portfolio-in-astro/I swapped out Create React App for Astro. Not because anything was broken, but because I wanted to try something new. Here's what I found.Fri, 17 Apr 2026 00:00:00 GMThttps://henrypendleton.com/blog/the-smartest-app-on-my-phone/https://henrypendleton.com/blog/the-smartest-app-on-my-phone/Down Dog generates a unique yoga class every time from just 18 hours of recorded content. Here's the engineering that makes it feel like magic.Thu, 16 Apr 2026 00:00:00 GMThttps://henrypendleton.com/blog/cribscore-1-2-release/https://henrypendleton.com/blog/cribscore-1-2-release/Introducing league standings with match points, head-to-head records, and a simpler tap-to-score interface in the latest CribScore update.Sat, 31 Jan 2026 00:00:00 GMThttps://henrypendleton.com/blog/what-ultramarathons-taught-me-about-software/https://henrypendleton.com/blog/what-ultramarathons-taught-me-about-software/Running 62 miles through the desert teaches you things about pacing and ignoring small problems. Turns out those lessons apply to code too.Sat, 31 Jan 2026 00:00:00 GMThttps://henrypendleton.com/blog/raspberry-pi-eink-dashboard/https://henrypendleton.com/blog/raspberry-pi-eink-dashboard/How a simple e-ink calendar project turned into my own mini data center. Building an ESP32 weather station, FastAPI backend, and always-on e-ink display.Sun, 25 Jan 2026 00:00:00 GMThttps://henrypendleton.com/blog/hello-world/https://henrypendleton.com/blog/hello-world/Welcome to my blog. A space for thoughts on software engineering, MarTech, and the occasional ultrarunning tangent.Fri, 24 Jan 2025 00:00:00 GMT