Power source

water (using a water wheel)

When the grid goes down, it's important to have backup sources of electricity. Here are 7 ways to generate power during an outage.

The Five Gallon Bucket Hydroelectric Generator is a pico hydroelectric generator housed in a five-gallon bucket. Developed by Sam Redfield to address the lack of commercially available small-scale hydroelectric power in developing countries, the generator is a low-cost, appropriate-technology solution to the problem of supplying electricity to those at the bottom of the economic ladder. The generator is easy to build and easy to maintain. By design, the materials from which the generator is…

The great outdoors - a treasure we all miss right now and one we must protect when we step out into our new normal in the future. Adventures always happen outsi

This is the second of a series of hubs designed to explore alternative energy sources for real people. These are functioning systems that the average homeowner could incorporate, giving links to companies that are working on solving the problems.

89 year old military veteran Raymond Green of Catching Wind Power has designed a bladeless wind turbine that practically eliminates the danger to birds and other wildlife that traditional commercial wind turbines pose. The wind turbine

By Jeffrey Yago, P.E., CEM Issue #109 • January/February, 2008 In Part I of this article in the November/December 2007 issue, I described the many uses for a solar power system that could be made totally portable. If you took up the challenge to build your own version of this solar project, your assignment was […]

Features of the Jackery Explorer 1000 portable solar station. How much can it power, how a solar generator works, alternatives to a DIY solar panel system.

For any electronics project, we require a power source. In our previous article How to Run an ESP32 on Battery, we have discussed about the challenges with direct powering with battery. As most of the projects require 3.3V DC to 5V DC, we need some system which can be charged with a mobile charger and …