Build Your Own Open Map Stack: Fast Vector Tiles You Can Host and Carry Offline
Control your basemap. Build vector tiles, serve them cheaply, and take them offline. A pragmatic stack with Planetiler, PMTiles, and MapLibre.
Lean LLMs: Cut Costs, Keep Quality, and Ship Fast
A field-tested guide to trimming LLM costs—observability, caching, routing, batching, and smart prompts—without hurting latency or quality.
Turn Any Phone Into a Checkout: A Practical SoftPOS Rollout for Real Merchants
Turn smartphones into secure, fast checkouts. A practical SoftPOS guide covering security, devices, training, compliance, and day‑one operations.
The Practical eSIM Playbook: Buy, Activate, Swap, and Travel Without Losing Service
eSIMs simplify travel and dual‑line life—if you know the moves. Here’s a clear, field‑tested guide to buying, activating, and managing them safely.
Upcycle an Old Smartphone Into Dependable Home Sensors: Air, Motion, and Presence You Can Use Today
Turn a drawer phone into a quiet, private sensor hub. Measure air, motion, leaks, and more, and connect it to your automations without cloud.
Wi‑Fi 7 in Real Homes: MLO, 320 MHz, and Upgrades Without Regrets
A practical, hype-free guide to planning, buying, and tuning Wi‑Fi 7 for homes and small offices, with clear steps for mesh, MLO, and 6 GHz.
Backyard Earth Observation: Use Free Satellite Data to Plan Gardens, Watch Water, and Cool Your Block
Turn open satellite imagery into everyday decisions. Learn simple, no-code ways to track plants, water, heat, and change around your home.
Build a Practical UWB Indoor Positioning System You Can Trust
A no‑nonsense guide to planning, building, and maintaining a small UWB indoor positioning system that’s accurate, private, and affordable.
C2PA in the Real World: Sign and Verify Images and Video Without Breaking Your Workflow
A hands‑on guide to adding content authenticity to photos and video with C2PA—keys, tooling, pipelines, UX, and pitfalls you can avoid.
Scan Your Home With a Phone LiDAR: Reliable Floor Plans, Models, and Measurements You Can Use
Turn a phone with LiDAR into reliable floor plans and 3D models. Clear steps, formats, and tips to get accurate results you can actually use—plus photogrammetry options if your device lacks a depth sensor.