Backyard Wind Power
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Convert Any Bike to Electric with an Easy Front Wheel Motor Kit
Transform a 25-Watt Semi-Flexible Panel into a Practical Battery Charger
Generate Electricity from Bacteria in Mud
Keep Cool Anywhere with a Battery-Powered Air Conditioner
Crush Cans Effortlessly with an Arduino-Powered Arm
An IV Swinger can be used to track the efficiency of solar panels. Learn how one maker made his own.
Collect Solar Panel Data with an IV Swinger Curve Tracer
Measure Sunlight with a DIY Solar Radiometer
Build a Dual Thermostat for Precise Preset Temperatures
DIY Mint Tin Backpacking Stove
Build the Perfect Backyard Wood-Fired Pizza Oven
Build a Delay Timer that Doesn’t Suck (Energy)
Make a High Voltage Plasma Arc Speaker
Make a Solar Panel Tripod Mount
Wood Gas Camp Stove
Godzilla Detector: A Retro Digital Geiger Counter