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Category : Energy x

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Solar lamp with reused lithium cells

This tutorial allows you to make a solar lamp equipped with a USB charger. It uses lithium cells that are reused from a old or damaged laptop. This system, with a day of sunlight, can fully charge a smartphone and have 4 hours of light.

• Easy
• 2 hour(s)

200W Wind Turbine

The hand-crafted 200W, 4 ft wingspan Piggott wind turbine.

• Hard
• 20 day(s)

Plastic pyrolyzer

Produce fuel from plastic

• Medium
• 4 hour(s)

Biodiesel

This tutorial gives you the process on how to make biodiesel on a medium-scale (about 50L) from used cooking oil. This tutorial was written following the Nomade des Mers crew's visit to Cambodia. The social enterprise Naga Earth collects and converts used cooking oil from the town's hotels and restaurants into biodiesel. They also make soap with glycerin that comes from this same reaction. This benefits various schools and associations who carry out hygiene programs throughout the region.

• Medium
• 2 day(s)

Thermosyphon Solar Water Heater

A very simple system for heating water using solar energy. This system works, without a pump, using only the thermosiphon effect.

• Easy
• 4 hour(s)

Solar water heater

Capturing solar energy for domestic hot water or high-efficiency heating

• Hard
• 1 day(s)

Bio-Coal

Making coal briquettes with carbonised agricultural waste.

• Medium
• 4 day(s)

Recycling shower

Staying under shower without wasting water

• Medium
• 4 hour(s)

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