This post sponsored by Texas Instruments. Photovoltaics are the top energy harvesting technology in use today, and the promise of clean, renewable, and dependable “free” energy without moving parts is ...

A few years ago, [Lukas Fässler] needed a solar charge controller and made his own, which he has been improving ever since. The design is now mature, and the High Efficiency MPPT Solar Charger is full ...

Christin Perry is a freelance writer whose work has appeared in numerous outlets, including WeddingWire, The Knot, Parents and Verywell Family. When she's not working, Christin enjoys reading, ...

David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...