#The5thLichuangElectronicDesignContest# Vehicle-mounted child anti-detention alarm system

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[Please fill in during the registration stage↓]   1. Self/team introduction We are a team   2. Brief introduction of the project In order to solve the problem of safety accidents caused by children staying in the car, an alarm device is designed using the STM32F103C8T6 microcontroller, which can automatically Start the device. When the radar human induction module detects someone in the car and the temperature sensor detects that the temperature in the car exceeds a certain set value, the system directly sends out an audible and visual alarm signal and calls the car owner's mobile phone through the GSM module to ask the car owner to handle it in time. Call the police and send mobile phone alarm messages without distance restrictions, preventing children from staying in the car for a long time without anyone knowing.

  1. Describe the project details. This system consists of a power supply circuit, a microcontroller minimum system, a CAN transceiver circuit, a radar detection circuit, a temperature detection circuit, an audible and visual alarm circuit, a GSM communication circuit and other interfaces. The system simultaneously detects the situation of people in the car and the temperature value. If it detects someone in the car and the temperature in the car exceeds a certain set value, the system directly sends out an audible and visual alarm signal and makes an alarm call to the car owner's mobile phone, requiring the car owner to handle the alarm in a timely manner. , to prevent children from being left in the car for a long time without anyone knowing.   2. Describe the challenges faced by the project and the problems solved < span class="size"></ /span> Forgetting children in the car has often led to the death of children. The root cause of death of children is caused by car heat. Yes, studies have shown that under sunlight, the interior temperature of a car can rise to 34 degrees Celsius in 2 minutes, and to 42 degrees Celsius in 20 minutes. This temperature is fatal to children. In order to solve this problem Question, we used microwave radar (infrared detection is at 40 degrees, there will be false alarms) to detect whether children are left in the car, and designed this system.   3. Describe the key points involved in the hardware and software parts of the project: how to detect people at high temperatures and how to send alarms to the outside in time.   4. Please see appendix   5 for the list of project materials. Upload project pictures 5.1,           5.2. Other pictures of the project    6. Demonstrate your project and record it as a video for upload 6.1, video upload competition official website

  7. Is it the first public release? Yes   8. Open source document

* 9. References

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