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Flashing Musical Gyroscope Circuit

2014-11-04 10:10  
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Flashing Musical Gyroscope Circuit
The picture shows the flashing musical gyroscopic circuit. It is made up of musical IC UM66T19L and multi-color LED LED1~LED4. When the gyro is in the rotation mode, because of the function of centrifugal force, the centrifugal switch S1 is connected and the power is added on the four LED directly to make they light. Also the IC1 is connected to the power, the buzzer BL would sound the music. The centrifugal switch S could be self-made by using the elastic metal sheet. It needs to be adjusted for many times and thus it could get a good performance. Also the gyro is a rotated moving object, its overall balance is very important. So the PCB's layout should not only be left-and-right symmetrical, but also should consider the weight balance in the vertical direction.