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Metronome sound effect circuits (LM555)

2017-05-31 16:04  
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This article describes the Metronome sound effect circuits (LM555). The principle is very simple, very practical. The circuit components can help you understand better grasp this principle. For example, in this circuit, you can go to find and buy these components: LM555.


This is easy Metronome Circuit.
It use IC 555 x2 and drive speaker.

This be Metronome Circuit. For sound origin Metronome strange music is good. By use the integrated circuit timer. The highly popularnumber NE555 or LM555 from the circuit uses IC this 2 pcs. frequency tall low origin alternates can give tone sweet voice. The VR1 use for fine the sound that want. By this circuit uses 8ohm small-sized loudspeakers. Then seeks to buy all not difficult equipment. Request have fun the electronics , be lucky.

Metronome by 555

Simple light sensitivity Metronome using 2N3904
This is Simple light sensitivity Metronome circuit. It use the transistor 2N3904 numbers and 2N3906 make to are origin frequency circuit. By the frequency in the sound from a loudspeaker will increase and is down. When lead light flasher come to near LDR within a darkroom. By resistance value of LDR be down when receive the light. Which will enhance the frequency of origin frequency sound circuit. By frequency change will continuously is like the wood keeps strokes the music there. The detail is other , see in the circuit.


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