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Motor automatic starting circuit using RD9481 Doppler effect sensor
Source: InternetPublisher:通通 Updated: 2015/10/27
The circuit is shown in the figure. It includes Doppler effect sensing control circuit, thyristor control circuit, music sound generation and amplifier, large circuit, AC step-down rectifier circuit, etc. The Doppler effect sensor integrated circuit RD9481 is the core device of the circuit, and its internal functional block diagram is shown in the figure below.
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