Turn a scrap e-bike hub motor into a DIY backyard wind turbine that trickle-charges a home battery
A discarded e-bike hub motor can become a useful wind generator. The conversion requires basic tools, patience, and careful planning. With a small rotor and smart electronics, it can trickle-charge…
3D-print a customizable split ergonomic keyboard with hot-swap switches and wireless QMK support
A split ergonomic keyboard can reduce strain, improve posture, and boost typing precision. Add hot‑swap sockets and you gain hassle‑free switch experimentation. Combine those with wireless capability, and you unlock…
Build a compact, fold-flat solar cooker from reflective emergency blankets and wire hangers
Sunlight can cook meals without fuel, smoke, or noise. With simple materials, you can build a capable solar cooker. This design folds flat, packs light, and sets up quickly. Reflective…
Make a compact foldable hydroponic tower from PVC pipe and 3D-printed joints for small-apartment growers
Small apartments can support serious growing with a compact foldable hydroponic tower. This design delivers vertical yields while folding for storage or cleaning. You can build it with common PVC…
Designing biodegradable sequins from plant cellulose for high-shine, microplastic-free fashion
Why Fashion Needs Microplastic-Free Sparkle Fashion loves sparkle, but plastic sequins shed persistent microplastics during wear and washing. Conventional sequins often use PET, PVC, or acrylic polymers. These materials fragment…
Build a compact, self-watering indoor herb tower with 3D-printed drip emitters and a $25 smart plug timer
A compact herb tower brings fresh flavors to your counter without daily watering chores. You can automate irrigation using simple parts and a budget smart plug timer. The tower uses…
DIY: Build a compact solar-powered battery bank with a modular 3D-printed case and smart BMS for off-grid charging
Portable energy unlocks freedom for camping, work sites, and emergency preparedness. A compact solar-powered battery bank provides reliable off-grid charging for everyday devices. You can build one with a modular…
Build a solar-powered window herb dryer with 3D-printed airflow vents
Dry your garden herbs using sunlight, steady airflow, and a clever window insert. This project turns a sunny window into a gentle, solar-powered dryer that preserves aroma and color. You…
Build a compact modular LiFePO4 solar generator with foldable panels and a smart BMS for reliable weekend off‑grid power
A compact LiFePO4 solar generator can power weekend trips without noise or fumes. You can build a modular system that packs easily, charges quickly, and runs common gear. Foldable panels…
Quantum dot inks enable printable solar windows for energy-harvesting buildings
Quantum dot inks are unlocking printable solar windows for energy-harvesting buildings. These coatings convert sunlight while preserving visibility, enabling electricity from ordinary glass. They integrate photovoltaics directly into facades, skylights,…