32. Energia

DIY Solar Power Projects

Power your Bathroom by Water Tap

Bicycle USB Output

DIY OFF GRID SOLAR SYSTEM

Solar Air Heating Collector For Our Stone Build Garden House

Green Engineering

Solar power bank from recycled laptop battery

RENEWABLE ENERGY

Shed 12v Solar Lighting System

Easy 5 Minutes USB Solar Charger/Survival USB Charger

Solar PV trackerm

Solar Power Bucket

DIY AUTOMATIC SOLAR CHARGE CONTROLLER

Recuperando bateria de Laptop

Aquecedor Solar Parabólico

32.1. Energia e Arduino

Circuito com Bateria e Painel Solar para alimentar Arduino

Alternativas de alimentação para Arduino

Fonte externa para Arduino

Dual solar shed (regulated and unregulated)

Arduino Sun Tracker

32.2. Biogás

Biodigestor doméstico

A Tool-using Thing-maker

Anaerobic digestion

Small-scale Minimal-maintenance Anaerobic Digestion of Food Waste for Solids Reduction and Methane Production: Feasibility Study

http://opensourceecology.org/wiki/Fermentor

DIYbio/FAQ/Projects

Monitoring the anaerobic digestion process with Arduino

Solar C3ITIES - Connecting Community Catalysts - Integrating Technologies for Industrial Ecology Solutions

Projeto DEMETER

32.3. Baterias

Cheaper battery for solar made with Urea and Aluminum