Automobile data recorder with control system
A driving recorder and control system technology, which is applied to register/instruct the operation of vehicles, instruments, registration/instruction, etc., and can solve problems such as the inability to realize face recognition.
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Embodiment 1
[0040] Embodiment 1, with figure 1 It is a schematic diagram of the principle structure of the power module of the present invention. The 3.3V output of the regulated voltage is realized through LM1117. The 5V power supply enters through the 3-pin, and the 3.3V voltage is output through the 2-pin and 4-pin. It is equipped with LED light indication, and the design is stable and simple. , without adding an external feedback circuit to improve the stability of the circuit.
Embodiment 2
[0041] Embodiment 2, with figure 2 It is a schematic diagram of the principle structure of the main control module of the present invention, using STM32F103 chip, the microprocessor has a working frequency of 72MHz, built-in up to 128K bytes of Flash memory and 20K bytes of SRAM, and has abundant general-purpose I / O ports. As an embedded ARM processor, it provides a low-cost platform, reduced pin count, and reduced system power consumption for realizing MCU needs, while providing excellent computing performance and an advanced interrupt response system.
Embodiment 3
[0042] Embodiment 3, with image 3 It is a schematic diagram of the principle structure of the speech recognition circuit of the present invention, adopting LD3320 chip, which integrates speech recognition processor, A / D converter, D / A converter, sound output interface, etc., and it does not need any external storage chip. Realize voice recognition, voice control and man-machine dialogue functions.
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