1、Working principle: CD4060 is composed by an oscillator and 14 binary serial counter bits, the oscillator structure may be RC or is crystal oscillator circuit, Cr (12 feet) high at ordinary times, reset the counters, all counters are mainly from trigger pulses in CP (9-11 foot) decreased along the counter in binary counting. 2、Function Description: adopt CD4060 control 12 red, yellow, and green LED flashes, adjust potentiometer can change the flashing speed. At the same time, a music chip issued music songs. 3、Description of each function module: ![enter image description here][1] 4、Components and PCB board: ![enter image description here][2] 5、Physical map after welding: ![enter image description here][3] ![enter image description here][4] ![enter image description here][5] [1]: /editor/20160322/56f0f7692663c.png [2]: /editor/20160322/56f0f7ea12fd9.png [3]: /editor/20160503/57283f396e9a6.JPG [4]: /editor/20160503/57283f3e367b7.JPG [5]: /editor/20160503/57283f42c3e0b.JPG