power supply

Automatic Battery Switch - Open Source Project - Open Electronics

Automatic Battery Switch - Open Source Project - Open Electronics

Given two batteries, it chooses the one to connect to the load based on the voltage measured at their poles. It can also be used to switch DC power supplies. The circuit we are proposing is an automatic battery switch made with power MOSFETs with very low RdsON, which are specifically for SMD.
Silent Rooftop Wind Turbines Could Generate Half Of A Household

Silent Rooftop Wind Turbines Could Generate Half Of A Household's Energy Needs

Small wind turbines scaled to the right size for residential and urban areas have so far lived in the shadows of their larger wind-farm-sized counterparts. The power output has been too low for a reasonable return on investment through energy savings and the noise they produce is louder than most
This Wood Stove Makes Enough Electricity To Power A Small Home

This Wood Stove Makes Enough Electricity To Power A Small Home

This wood-burning stove makes electricity, is portable, low-powered and can output 500 Watts DC. It can supply enough power to run a small house and be used to cook with. This stove is already in use in many parts of the 3rd world to help relieve suffering, improve health, and reduce harm to the environment.
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