Western music using ic HT82207
Sounds that you heard in the movie, which is fighting the cowboy, the gun sounds, sound horse this cycle is to be born.Because the IC has already been programmed to be easy to use.
Principle of the circuit is.When the circuit to the power supply. Then try pressing the switch S1 will allow the production of IC1 frequency out of pin 17.
In addition to Q1 amplifier IC1 is often the birth up to the control stick – off of LED1, LED2. The R1, R2 are connected to eliminate the current flowing through LED 2 and the C1 and C2 are responsible for filtering unwanted noise away. In addition, VR1 can also determine the speed of sound heard.
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