This circuit will have an effect than Tap the rhythm circuit other because the whistle is giddy, which vividly than usual knock. You can also adjust the speed with 10-40 strokes per minute. Operation of the circuit, we will be divided into three main parts of the schedule, the frequency generator, the control and amplify [...]
This is an integrated music box Self Promotion Nat, when I open the music box to hear the music out. You can choose music in several voices, just change the IC number only. Operation of the circuit is when the power supply and switch S1. The IC IC1 is dozen, it will count clock is [...]
This is a multi-purpose integrated music box that interesting, because an IC package. Is a simple and affordable. The main function of the circuit is the device of the circuit is IC1. This is a sound generator IC. The Christmas season. Its musical all 8 music. When the power supply LDR1 the exposure will cause [...]
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