A hobbyist maker's newsletter covering DIY electronics and 3D-printed projects, with a focus on archery training tech and battery-powered ESP32 sensors. Readers get build write-ups, measured experiments and practical design details.

EngVibe is a personal blog-style newsletter from a software engineer, mixing essays on numerical methods and algorithms with hands-on projects such as a 3D-printed place-value teaching tool and a history app redesign. Readers get technical detail, first-hand project stories, and reflections on engineering, learning, and craft.

A developer documents building compact, hands-on hardware projects like a cordless press drill and a 100mm CoreXY 3D printer, using salvaged parts and iterative testing. Readers get detailed design reasoning, practical workarounds and build-process narrative.

A weekly newsletter by Christopher Moravec on applying AI to GIS and building robots, with step-by-step builds like a GIS agent over City of Portland data and a desk robot designed by AI. Readers get practical, hands-on walkthroughs with code, plus candid notes on what worked and what broke.