SL517 integrated circuit appearance and internal circuit
Source: InternetPublisher:sigma Keywords: Integrated circuit BSP microphone bistable Updated: 2020/12/04
Toy cars are one of children's favorite toys. The toy car introduced in this example has the function of sound control to start or stop it. The circuit is simple and easy
to make.
(1) Circuit composition The circuit takes the SL517 voice control integrated circuit as the core. Its appearance and internal structure are as shown in the figure. It consists of an amplifier
, a bistable circuit, a buffer driver, etc., plus a microphone , a relay, and a small DC motor. and capacitor.
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