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Tag Archives: Sound Generator
Small Transistor Metronome
Metronome circuit is a much cheaper option compared to old mechanical metronome. With only few electronic components, we can build a low cost metronome. Here is the schematic diagram of the circuit: You can build it with veroboard, matrix board, … Continue reading
Two Tones (Ambulance) Alarm Circuit
Using very popular multivibrator 555 IC, we can build an alarm circuit which is similar to old ambulance siren. There are two sections inside the circuit, first is a low frequency oscillator for two level frequency modulation, and the second … Continue reading
Single Chip Two-Tones Siren
Kids like the police or fire-brigade cars siren sound. This circuit can generate dual tone like Police or Fire-brigade cars siren sound. This circuit usually installed on battery powered cars, bicycles, and motorcycles. Not only that, but also can be … Continue reading
