How to make piano at home
This circuit diagram for making this piano
Simply make this piano some basic components
1x Lm386 mono amplifier ic
7x 104 100nf ceramic Capacitor
1x 100uf 16v polarize Capacitor
1x Speaker
1x 3.7 v B
Circuit diagram
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LM386 IC is a popular low voltage power amplifier used mostly in consumer applications including: AM-FM Radio Amplifiers, line drivers, small servo drivers, power converters, TV sound systems and more. The LM386 IC operates from 4V to 15V, has a good adjustable gain value from 20 to 200 with the use of external resistors and capacitors. It can well drive loads from 4W to 32W . This IC is easy to use and integrate in your audio amplifier circuits.
Features of LM386 Low Voltage Audio Op-Amp IC
Wide Supply Voltage Range: 4 V–12 V
Voltage Gains from 20 to 200
Low Quiescent Current Drain: 4 mA
Low Distortion: 0.2%
Low noise circuitry
External circuitry only consists of small components
Quiescent power is only 24mW on a 6V supply
Easy to use
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