The 555 touching nose game circuit

Published:2011/5/27 2:48:00 Author:nelly | Keyword: 555, touching nose, circuit | From:SeekIC

The Monostable trigger circuit consists of the 555, R1 and C1. The circuit doesn't be triggered ordinarily and its three foot is low level. When the body touchs the biyu , the 555 will flip, and then get into the triplet state. The temporary stability time : td=1.1R1C1, the corresponding pulse width to the figure is about 10s. In the triplet state, the high level which is output by the three foot combines with the IC2 and plays music. Every music IC all can use it, but we must notice the voltage.



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