Virginia Modular Homes

Universe Building

Most of the supplies the colonists needed were provided at their destination by the Stone Builders: prefab homes , prepared soil, et cetera. Why did the Stone Builders and the Travelers spend so much money on humanity? … View post: Universe Building

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Motor speed control

This motor speed control circuit uses only seven components to regulate the speed of a motor. Simple and very cheap to contruct. This circuit controls the speed of a motor from 0 to 50 % of its nominal power. Resistor R1 and potentiometer P1 divide the positive halfwave swing of the line voltage. During negative [...]

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