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Home › Magazines › 2008 › July/August › Piezo-powered Lamp

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Piezo-powered Lamp

Published in issue 379, July/August 2008

Piezo crystals can generate voltages of many tens of volts when given a firm enough prod with a finger to bend the baseplate. The charge moved, however, is relatively small and the crystal is effectively a capacitor with a capacitance of only around 20 nF to 50 nF. This means that we need larger-scale storage in the form of an electrolytic capacitor.

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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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