Control circuit of multifunctional learning control device
The utility model provides a control circuit of a multifunctional learning control device. The control circuit comprises a main control chip (U1), an ultrasonic generating circuit (U6), an ultrasonic receiving circuit (U7), learning time setting buttons (S3 and S8), a desk lamp control circuit (U8)...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
25.01.2012
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model provides a control circuit of a multifunctional learning control device. The control circuit comprises a main control chip (U1), an ultrasonic generating circuit (U6), an ultrasonic receiving circuit (U7), learning time setting buttons (S3 and S8), a desk lamp control circuit (U8) and an alarm circuit (U9); the input terminal of the ultrasonic generating circuit (U6) is connected to a PWM (pulse-width modulation) port of the main control chip (U1); the output terminal of the ultrasonic receiving circuit (U7) is connected with an interruption port of the main control chip (U1); the learning time setting buttons (S3 and S8) are connected with the I/O port of the main control chip (U1) respectively; the input terminal of the desk lamp control circuit (U8) is connected with the I/O port of the main control chip (U1); and the input terminal of the alarm circuit (U9) is connected with the I/O port of the main control chip (U1). Compared with the prior art, the control circuit of the multifunctiona |
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Bibliography: | Application Number: CN20102252496U |