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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Bibliographic Details
Main Author DENG FAWEN
Format Patent
LanguageChinese
English
Published 25.01.2012
Subjects
ALARM SYSTEMS
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
ORDER TELEGRAPHS
PHYSICS
REGULATING
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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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
Bibliography:Application Number: CN20102252496U