Portable Bluetooth Control Device

A bluetooth controlled and portable technology, applied in the field of bluetooth communication, can solve the problems of increasing trouble, finding mobile phones, and being difficult to find, etc., and achieves the effect of novel conception and ingenious design of the device
CN103684544BInactive Publication Date: 2018-04-27UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
UNIV OF ELECTRONICS SCI & TECH OF CHINA
Publication Date
2018-04-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a portable bluetooth control device, which includes a control terminal circuit, and the control terminal circuit includes: a bluetooth serial port module, a processor unit, a switch, a current limiting resistor and a pull-up resistor, wherein the switch is in a normally open state, and the switch One end of the connection is connected to the ground potential, the other end is connected to one end of the pull-up resistor and the input pin of the processor unit, the TX pin of the Bluetooth serial port module is connected to the RX pin of the processor unit, and the RX pin of the Bluetooth serial port module It is connected to the TX pin of the processor unit, and the VDD pin of the Bluetooth serial port module and the VDD pin of the processor unit are connected to the input voltage through a current limiting resistor. The portable bluetooth control device of the present invention can realize the interaction with the smart device, and add a user-defined remote control function to the smart device for controlling the smart device.
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Description

technical field

[0001] The invention belongs to the technical field of bluetooth communication, and in particular relates to a portable bluetooth control device. Background technique

[0002] Bluetooth wireless technology is a technology for wireless short-distance communication between two devices. It is widely used all over the world and can wirelessly connect mobile phones, laptop computers, cars, stereo headphones, MP3 players and other devices. This technology has the advantages of miniaturized radios, low power, low cost, built-in security, robustness, ease of use and instant networking capabilities.

[0003] Smartphones are now inseparable from the daily life of most people. A common problem is that the phone is not easy to find when it is covered by a cover. Especially when the mobile phone has turned on the silent mode, it is impossible to find the mobile phone by ringing the phone, thereby adding more troubles. In addition, in situations where it is inconvenient...

Claims

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