First try by connecting the speaker directly from the output in produced songs that barely heard. So, I add a transistor to amplified the output signal...as simple as that. See the circuit below for the simple circuit.
Friday, April 1, 2011
Monophonic birthday song
After the LED cube project with delay, ON & OFF, one new idea pop-up in my mind: "can i generate different frequency for different notes?". Then i find the frequency for the piano notes. After convert the frequency into microsecond, the program for a birthday song is here...
First try by connecting the speaker directly from the output in produced songs that barely heard. So, I add a transistor to amplified the output signal...as simple as that. See the circuit below for the simple circuit.
First try by connecting the speaker directly from the output in produced songs that barely heard. So, I add a transistor to amplified the output signal...as simple as that. See the circuit below for the simple circuit.
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