Flashing light circuit design and analysis

The working principle of the device application circuit is shown in Figure 10. When used as a flashing light control, as long as an intermittent voltage is added to the ④ end of the controller DM, the load H of DM will flash continuously. In this example, a music integrated circuit IC is used to connect the signal output end O/P of the music IC to the ④ end of the controller DM, and the positive and negative ends of the power supply of the music IC are connected to the ① and ⑤ ends of DM. If the music IC is replaced with a special flash chip, it can also form a navigation light, a municipal road construction light, a special signal light, etc. If a dance party is held at home, the ④ and ⑤ ends of the controller DM can also be connected to a plug and inserted into the output jack of a sound source such as a tape recorder. At this time, the lighting lamp H will flash with the rhythm of the music. A 10A controller DM can drive thousands of watts of colored lights to work.