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Tone Generator

This might be more of an electronic engineering job. I need a circuit to create a sine wave at a specific frequency, that is controlled by its supply of power (switched on/off at source). The tone is amplified, and emitted via a siren horn (like those found in smoke detectors), which will have a range of perhaps 10-30 metres.

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( 210 nhận xét ) London, United Kingdom

Mã Dự Án: #33621