Two Transistor Using Piano Circuit Make Very Simple.
Piano Circuit :
Components :
Tip42 Transistor – 1no
c1815 Transistor – 1no
22onf(224) Capacitor – 1no
22k Resistor – 1no
100 ohms resistor – 1no
220 ohms Resistor – 1no
1k Resistor -1no
2k2 Resistor – 1no
zero board – 1no
