Motor control circuit composed of sound control integrated circuit SK-3

The figure below is a motor control circuit consisting of a sound control integrated circuit SK-3. The circuit can control the motor forwarding one to stop one inverted one stop ... In the circuit shown below, the H-terminal can be based on actual needs and A, B, C Enemn end in the end to obtain the required voice sensitivity. The signal received by the sound control sensor MIC is converted into the electrical signal into SK-3, and the motor is controlled or stopped by the 6 foot of SK-3. 6 The output of the foot is 3 states. Each of its output is changed once, that is, the output current stops one input current. Tip: The output of the circuit shown below is controlled by the control of the sound. It is described in the figure to control the motor as an example. It can actually utilize these three different output states to other circuits or electrical equipment. Control. SK-3 integrated circuit has two packages: one is 14 foot flat packages [its shape is the same as the SK-2 integrated circuit 14 foot flat packages, as shown in the following figure (a); another is a flexible package The shape is shown below. Motor control circuit SK-3 integrated blocks of SK-3 SK-3 integrated block black adhesive Skip SK-3 integrated circuit is a working power supply voltage input, 7 footprint, 6 foot and ⑩ pin to control signal output End, 3 feet, 2 feet, ⑩ 脚 为 声 信号 信号 端 端, 3 feet, ⑨, ⑩ ⑩ 无用. Read more

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