Simple flower circuit

Posted on Mar 28, 2007

Circuit works: Rp1 ~ Rp13 scale resistance to the keyboard, but also the oscillator timing resistor, C2 is wide discharge capacitor, S1-S13, the key switch. Press S1 a S13 any one, such as pressing S1, the +6 V power supply

Click here to download the full size of the above Circuit.

by Rp1, C2 and S1 to charge electricity. By charging initial C2 terminal voltage is zero, so the VT1 can not be turned on. At this time +6 V power source via R to provide a base bias VT2, VT2 conduction current through the VT2 of c, e pole flows through the speakers, and produce a higher voltage drop across the speaker.

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