Module circuit design of optical fingerprint identification system based on ARM

The system uses optical fingerprint sensor and arm cortex m3 core stm32f205re, a 32-bit high-performance single chip microcomputer of Yifa semiconductor company, to form the functional main body. It uses Sobel edge detection operator, Gabor filter, image binarization and other image acquisition and processing algorithms to identify the fingerprint image, and constructs a small embedded […]

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Circuit diagram daily reading (27): circuit design of anti-theft remote controller using fingerprint identification

An anti-theft remote controller suitable for various access control occasions is designed, which has the functions of living fingerprint identification, RF wireless remote control, wireless encrypted data transmission, wireless encrypted command control and so on. The system takes 16 bit msp430f12x processor as the data processing and control core, which improves the intelligent level and […]

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Circuit design of palm recognition data acquisition system

Biometric identification technology refers to the use of the inherent physiological or behavioral characteristics of the human body for personal identification. Some representative physiological features include fingerprint, palm shape, face shape, iris, retina, sound, etc., but iris recognition, face recognition, sound recognition, fingerprint recognition, etc. there are some problems, such as expensive equipment, greatly affected […]

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Circuit design of speaker independent speech recognition system based on ARM

The ultimate purpose of speaker independent speech recognition technology research is to enable computers and other devices to “understand” human speech, extract the specific information contained in speech, and become the most convenient means of human-computer communication and interaction. Because the speech signal itself has uncertainty, dynamics and continuity, it brings great difficulties to accurately […]

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Circuit module design of intelligent disinfection robot control system for animal husbandry and breeding

The control system of intelligent disinfection robot for animal husbandry consists of robot intelligent control module, monitoring module and wireless network communication module. The working process is to send the control command code to the remote robot through the wireless network through the mobile phone or microcomputer client connected to the Internet. During this period, […]

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Design of digital sensor circuit module for sEMG signal

SEMG signal is a one-dimensional voltage time series signal obtained by the bioelectrical changes of neuromuscular system during random and non random activities guided, amplified, displayed and recorded by surface electrode, and its amplitude is about 0-5000 μ 5. The frequency is 0-1000hz, and the signal shape has strong randomness and instability. Compared with traditional […]

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Design of fingerprint identification system circuit module based on FPGA

This design selects FPGA with high integration, low power consumption and short development cycle to complete this design. Taking the ASIC of the system as the research background, it has strong practical significance and broad market space. The Spartan 3E series FPGA of Xilinx company is used as the core control device. This device adopts […]

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