33 results about "Arduino uno" patented technology

The invention provides a machine vision technology-based intelligent light bar acquisition system and a method for obtaining outer contours of railway tracks. The intelligent light bar acquisition system comprises a detection trolley, a UPS power module, an image acquisition module, a control system and a software system. The intelligent light bar acquisition system and the method can be used fordetecting conventional detection parameters of tracks; automatic acquisition and automatic control are imported, so that the working intensity can be greatly reduced; through a sliding block, a laseradjustment bracket is adjusted to slide leftwards and rightwards, so that two sides of the tracks can be directly detected; an encoder is capable of correctly detecting a movement distance of the trolley, recording a detection distance and a detection position, and controlling the movement and stop of the trolley according to the detection distance, so as to realize automatic control of the trolley; when the trolley stops, the image acquisition module acquires a target image and a background image; an image processing method adopts a difference method, so that the adaptation, to complicated environment, of the detection trolley is improved; and by adoption of ARDUINO UNO, the control system has the characteristics of being correct in control, high in speed and low in cost.

The invention discloses an Arduino-based intelligent home environment monitoring system comprising a monitoring sensing module, an Arduino UNO central control platform module, an infrared module, a WiFi module, a relay module, a cloud server module, a database module, a browser module and a home device. The monitoring sensing module includes a human body infrared sensor, a temperature and humidity sensor, an illuminance sensor, a gas sensor, a smoke sensor, and a voice recognition module. The infrared module includes an infrared receiving module and an infrared transmitting module. And the home device includes a humidifier, an air conditioning unit, a smart light bulb, an electric curtain and an exhaust fan. In addition, the invention also discloses an Arduino-based intelligent home environment monitoring method. A data analysis and comparison part is integrated to the Arduino UNO central control platform module and data storage and displaying are performed by using a cloud server, so that the cost of environmental monitoring system development is lowered and the system response is accelerated and thus the system data transmission delay is low. Therefore, an objective of controlling the indoor environment timely is achieved.

The invention relates to a network environmental monitoring system based on Arduino and raspberry Pi. The network environmental monitoring system comprises an environment data monitoring terminal, a transmission network, a database server and a Web server, the environment data monitoring terminal comprises an optical dust sensor, a humiture sensor, a digital buzzer, a LED lamp, a LCD display, an Arduino UNO plate and a raspberry Pi plate, the optical dust sensor, humiture sensor, the digital buzzer, the LED lamp, and the LCD display are connected with the Arduino UNO plate; dust particle quantity in air can be measured and calculated through the optical dust sensor by the Arduino UNO plate, and environment humiture data is obtained by reading a signal transmitted by the humiture sensor by the Arduino UNO plate. The network environmental monitoring system realizes the acquisition of temperature, humidity, and PM 2.5 environment data of network, on one hand, environment data can be displayed at a environment data monitoring terminal with real time, and local acousto-optic alarm information can be emitted according to the condition, on the other hand, the environment data is transmitted to a database server through network, and check and query can be carried out through a browser.

The invention discloses a driver attention testing device based on a detection response task, and belongs to the technical field of an automobile driving assistance system. The device is mainly composed of an adjustable helmet which is provided with an LED lamp soft hose, an Arduino Uno R3 chip, a button and a computer end carrying a control program, wherein the adjustable helmet provided with the LED lamp soft hose is worn on the head of a driver; the soft hose extends from the left side face of the driver and the button is bound with the pulp of the index finger of a dominant hand of the driver, and the soft hose and the button are connected to the Arduino Uno R3 chip by virtue of insulating wires; and a hardware control program, which is arranged in the chip, of the driver attention testing device can communicate with the software control program of the computer end by virtue of a serial port, so as to achieve detection response task triggering, performance data recording and data file generating. The driver attention testing device disclosed by the invention, with the application, can conveniently conduct distraction degree testing on such increasing products as automobile electronic equipment and the like under a driving state, and the driver attention testing device can conveniently and rapidly test differences in people; and the driver attention testing device is convenient to carry and simple to use, and the driver attention testing device is not affected by normal head motions of the driver during driving.

The invention provides a portable solar power generation device and a control method. The portable solar power generation device comprises a control module, a mechanical module and an energy storage module. The control module comprises an arduino UNO control board, a motor control board and four photosensitive sensors. The mechanical module comprises a housing, five motors, two rotating brackets,and solar cell panels. The energy storage module is a movable energy storage device, and is equipped with a USB circuit output port. When in operation, light rays irradiate on the two pairs of photosensitive sensors inclinedly, illumination intensities received by the photosensitive sensors are different, thus potential differences are generated, and the different potential differences are corresponded to azimuth and heights of the sun. When the potential differences are higher than a value, the motor control board controls the motor to rotate, so that the solar cell panels are perpendicular to the light rays. The portable solar power generation device has the advantages of high efficiency, small size, automatic stain cleaning, high intelligence, safe and reliable operation and the like, can be applied to household and industrial power generation, emergency power generation, outdoor travel power generation and the like, and has broad market prospect.

The invention provides a portable nucleic acid isothermal amplification instrument. Directed at the detection characteristics of animal epidemic diseases and based on an open source Arduino hardware system, the instrument adopts a programmable isothermal amplification technology, and comprehensively covers isothermal detection methods. While realizing the detection function, hardware and software can be upgraded according to needs, existing isothermal amplification technologies can be corrected and new detection methods can be developed. The isothermal amplification instrument provided by the invention takes a universal controller Arduino uno as the main control panel, employs an independently developed full-bridge control panel to control a Peltier device in terms of heating and cooling circulation on an aluminum block, thus realizing a constant temperature. According to the control process, after thermistor and 22-bit high precision A / D conversion, then the conversion result is sent to Arduino for processing, and on-off of a bridge arm can be controlled in real time by pulse according to the processing result. At the same time, a graphic software platform is researched and developed independently, and the temperature and reaction time can be controlled independently.

The invention discloses a VR body control robot under the dangerous environment. The VR body control robot comprises a rack, an electronic binocular image collecting system, a head wearing type virtual reality display equipment, a posture sensor and a control system; and the VR body control robot is characterized in that a steering engine is installed at the front end of the rack, a mechanical arm is connected to the steering engine, an Arduino Uno development board is fixed to a table top of the rack, a circuit control panel is fixed to the middle end of the rack, a driving motor is hung below the rack, and a three-dimensional picture obtaining system is arranged at the back end of the rack. The VR body control robot has the good 3D visual effect, the third dimension formation performance and the picture real-time transmission performance are good, 200-meter long-distance wireless data link communication can be achieved, the mechanical control motion is strong, and response is quick.

The invention discloses an intelligent walking stick falling-off alarm system and an APP client design method. The system comprises a walking stick head which is internally embedded with a 9V alkaline battery, a flashlight button and an alarm button, and the bottom portion of which is provided with hand-type lines; a walking stick body which is internally embedded with an Arduino UNO master controller, an Arduino SIM808 module, a crash sensor and a horizon sensor, and is externally provided with a buzzer, a flashlight and a non-slip mat; and an APP client, which is arranged to a smart mobile phone, wherein the APP client is developed by eclipse software based on a java platform, and is in direct communication with the Arduino SIM808 module embedded in the intelligent walking stick through a mobile internet. The intelligent walking stick falling-off alarm system and the mobile phone APP client design method provide a remote falling-off monitoring energy-saving intelligent walking stick with falling-off detection, position tracking, the flashlight and the APP client being integrated for the fell-over old men, provide real-time falling-off monitoring information for guardians of the old men, and can be applied to the walking stick.

The invention belongs to the technical field of automobile driving assistance systems and discloses a touch detection response task based driver cognitive load testing device, which mainly comprises avibration module, an Arduino Uno R3 chip, a button and a computer terminal with a control program. The vibration module is fixed to a driver's body by adhesive tapes, the button is bound to a forefinger of a dominant hand of a driver, and the vibration module and the button are connected with the Arduino Uno R3 chip through an insulating line. The chip is internally provided with a hardware control program and communicated with a software control program of the computer terminal through a serial port to realize detection response task triggering, performance data recording and data file generation. By application of the touch detection response task based driver cognitive load testing device, cognitive load allowance testing of products such as an increasing number of automobile electronic devices under a driving state can be completed conveniently and quickly, difference in crowds can be tested simply, conveniently and quickly, portability and simplicity in use are realized, and insusceptibility to normal head motion of the driver in a driving process is realized.

The invention discloses an Arduino-based henhouse breeding environment monitoring system and monitoring method. The system comprises an Arduino UNO microcontroller, a temperature and humidity sensor, a harmful gas detection module and a remote monitoring system, the Arduino UNO microcontroller is connected with the temperature and humidity sensor and the harmful gas detection module and is used for collecting environmental parameters in a henhouse and transmitting the environmental parameters to the remote monitoring system in real time through a WiFi module, thereby realizing remote real-time monitoring. The system can add harmful gas detection on the basis of completing a traditional temperature measurement process, so that farmers and technical staff know the environment in the henhouse more accurately, thereby facilitating improvement of the dressing percentage (or the laying rate) of poultries through artificial regulation of the henhouse environment, and increasing breeding benefits.

The invention discloses a differential type anti-strong-interference real time velometer based on Arduino, and a control method thereof. The velometer comprises a singlechip system, a hall sensor module, a filter circuit and a magnetic code disc, wherein the hall sensor module includes a first hall sensor for detecting a rotating speed signal and a second hall sensor for detecting an interference signal; the singlechip system utilizes an Arduino UNO system which is provided with two interrupt input interfaces, and the two interrupt input interfaces are respectively connected with the first hall sensor and the second hall sensor; and one end of the filter circuit is connected with the Arduino UNO system, and the other end of the filter circuit is connected with the hall sensor module. The differential type anti-strong-interference real time velometer based on Arduino utilizes the difference method to process the strong interference from vibration and electromagnetism, wherein the first hall sensor is responsible for measuring the rotating speed in real time and the second hall sensor is responsible for measuring the interference signal from the measurement; and the differential type anti-strong-interference real time velometer based on Arduino utilizes a difference function to process the data measured by the first hall sensor and the second hall sensor so that accurate rotating speed data can be obtained.

The invention relates to a greenhouse temperature control system and control method. The greenhouse temperature control system comprises a processor, a temperature and humidity sensor, a direct current motor, a relay and a display; the processor is connected with the temperature and humidity sensor and the display separately, one end of the relay is connected with the processor, the other end of the relay is connected with the direct current motor, the type of the processor is Arduino Uno, and a core of the processor is a single chip microcomputer Atmega328. According to the greenhouse temperature control system and control method, the Arduino Uno is adopted as a mainboard, so that the greenhouse temperature control system has the advantages that operation is simple and convenient, and modules can be embedded to expand and develop more functions; meanwhile, detected data is displayed by means of the display in real time; when a room temperature reaches a preset temperature, a warning device and a cooling device are automatically turned on until the temperature is lower than a preset value; remote multipoint temperature measurement can be achieved, operation is simple and convenient, the automation degree is high, and the cost is low.

The invention provides a user health management system based on a portable device. Currently, personal health is a hot topic. The invention aims to establish a personal health management system for performing comprehensive management on personal health danger factors. The system comprises a data collecting layer, a data transmitting layer and a data processing layer. Collection of health information (daily number-of-steps, heart rate, blood pressure and the like) is realized through establishing a board which is developed based on Arduino UNO, thereby extracting the user health data. Through adecision tree, a health condition score of a user in continuous time is obtained, thereby realizing tracking and evaluation to personal health condition. Through a microcontroller, various health information measuring modules are integrated, and a hardware platform is constructed for realizing health information collection of a hardware part. After the corresponding data are collected, a decisiontree model is established according the personal information such as age of the user. The health condition of the user is determined through an algorithm. Visual presentation to the user is performed, and a corresponding suggestion and reminding are generated.

The invention discloses a VR body-controlled robot used in a dangerous environment, which includes a frame, an electronic binocular image acquisition system, a head-mounted virtual reality display device, an attitude sensor, and a control system, and is characterized in that: the frame A steering gear is installed at the front end of the steering gear: and a mechanical arm is connected to the steering gear: an Arduino Uno development board is fixed on the table of the rack; and a circuit control board is fixed at the middle end of the rack; A driving motor is mounted on the bottom; a stereoscopic image acquisition system is arranged at the rear end of the frame. This new type has better 3D visual effect, the formation of three-dimensional sense and the real-time transmission of the picture are better. It can reach 200 meters long-distance wireless data link communication. The mechanical control has strong action, fast response, and strong action of mechanical control. , fast response.

The invention discloses a box for researching diffusion of urban solid contaminant and a method thereof. A main body part of the box for researching diffusion of urban solid contaminant is divided into a contaminant diffusion simulating box with a contaminant slot; the contaminant slot is arranged at the periphery of the top of the contaminant diffusion simulating box and the contaminant diffusion simulating box further comprises an urban pollution measuring module and a weather simulation module; the urban pollution measuring module comprises an Arduino uno R3 singlechip development panel, 2 laser sensors, a resistance wire, a capacitor and a computer. Measuring software is installed in the computer; the 2 laser sensors are distributed in the contaminant diffusion simulating box, and the invention provides a reliable device for researching urban solid contaminant by using accuracy of a 3D printing technology.

The invention relates to an open source hardware based network water immersion detection and synthetic speech alarm system. The system comprises a water immersion detection alarm terminal, a transmission network, a database server, an alarm information display terminal and the like, wherein the water immersion detection alarm terminal comprises a water immersion detection sensor, an LED alarm lamp, a digital buzzer, an Arduino Uno plate and a Raspberry Pi plate; the water immersion detection sensor, the LED alarm lamp and the digital buzzer are connected with the Arduino Uno plate, and the Arduino Uno plate acquires water immersion signals in real time by virtue of the water immersion sensor; the Arduino Uno plate is connected with the Raspberry Pi plate and transfers data by virtue of a serial port protocol; and the Raspberry Pi plate is connected to a network by virtue of a network interface and transfers the water immersion data acquired by the water immersion detection alarm terminal to the database server at a network edge in real time. The system provided by the invention, on the one hand, can provide real-time local acousto-optic alarm information, and on the other hand, can transmit water immersion information to a database and record water leakage time.

The invention provides a remote ultrasonic ranging system based on open source hardware and virtual instrument. The system comprises a lower computer system and an upper computer system which are in wireless communication connection, wherein the lower computer system comprises a power module, a microcontroller module, a temperature sensor module, an ultrasonic sensor module and a wireless serial port module. The remote ultrasonic ranging system based on the open source hardware and the virtual instrument has the advantages that the open source hardware Arduino UNO with extremely high cost performance is adopted as lower computer acquisition equipment of the virtual instrument LabVIEW, and the whole system has the advantages that the structure is simple, the cost is low, and the maintenanceis easy; the hardware overhead and hardware electromagnetic interference are reduced, and the measurement accuracy of the system is effectively improved; remote transmission and processing of measured data are reliably achieved; a human-machine interface of the upper computer system is friendly, ambient temperature and measured distance values are displayed through two ways of dial pointer type display and digital text display, the layout is reasonable, and the values are clear and easy to read.

The invention provides a universal controller for an interactive device advertisement. The universal controller comprises a PCB (printed circuit board). An Arduino Uno main control board, a sensor module and relay modules are all arranged on the PCB. The sensor module and the relay modules are connected with the Arduino Uno main control board. An assembly port of the Arduino Uno main control board is reserved in the PCB. At least four sets of four-pin sensor interfaces, at least four sets of three-pin digital signal input interfaces and at least four sets of three-pin analog signal input interfaces are arranged on the PCB according to the pins of the Arduino Uno main control board. The PCB is provided with two relay modules. At least two sets of standby relay installation positions are reserved in the PCB. According to the invention, the universal idea is achieved, and the universal controller is compatible with various sensors. Meanwhile, the universal controller is simple in internal device, high in stability, high in execution efficiency, small in size, low in cost, suitable for batch production, and strong in expandability.

The invention discloses an environmental interactive type drip irrigation system. The system comprises an execution part, an information collecting part and a cloud part, wherein the execution part comprises a single element culture solution tank, a liquid mixing tank, a raw water tank, a liquid preparation tank and a wireless electromagnetic valve; the information collecting part comprises a water flow charge system and an environmental monitoring system, the water flow charge system and the environmental monitoring system share an Arduino UNO core board and a communication module, the environmental monitoring system is provided with a temperature and humidity sensor EC10 and a light sensor BH1750, and a flow sensor is arranged in the water flow charge system; the cloud part comprises a software program and a blockchain. A nutrient solution can be accurately prepared, feeding of the nutrient solution is adjusted according to field soil conditions and weather forecast, the ratio of components in the nutrient solution is adjusted at different growing stages of plants according to algorithm, data is uploaded to the blockchain to guarantee safe and checkable food production process, aliquid level sensor is improved, and the water flow charge and electric power charge systems are added.

The invention provides a data acquisition system for body attitude adjustment of a crawler tractor in a hilly mountainous area. The data acquisition system includes a sensor acquisition module, an Arduino UNO module, a liquid crystal display screen and a GSM short message module. The sensor acquisition module includes a tractor hydraulic system pressure sensor, a tractor hydraulic system temperature sensor, a hydraulic cylinder displacement sensor and a body attitude sensor. The sensors are connected to the Arduino UNO module. The liquid crystal display screen is connected to the Arduino UNO module and displays data of the sensors in real time. The GSM short message module is connected to the Arduino UNO module and sends body attitude adjustment data to a mobile phone in a form of a shortmessage. According to the scheme of the invention, the body attitude adjustment data can be obtained through two ways of the liquid crystal display screen and the mobile phone short message, which hasthe advantages of low cost, small size and easy secondary expansion and development.

The invention discloses a high-integration smart home system based on combustible gas detection. The system comprises user control, a system host and user feedback. The system host is connected with adetection module. The detection module comprises a combustible gas detection system, a temperature and humidity detection system, a PM2.5 detection system and an internet access weather acquisition system. The user control is directly connected with the system host. The user feedback is connected with the system host through the detection module. The combustible gas detection system comprises a general control host and an Arduino master control module. The general control host and the Arduino master control module transmit information through a communication module. The temperature and humidity detection system comprises a DHT11 digital temperature and humidity sensor and an Arduino Uno microprocessor system. According to the invention, the system has the advantages of high intelligence and high integration, can automatically monitor temperature, humidity and the value of PM2.5 in the home of a user, and can carry out real-time internet access interaction and instant communication with the user; dangers can be found, and the concentration of harmful gases in a room is reduced in time; and the system can acquire weather information through internet access and can carry out reminding.

The invention discloses an ultrasonic double-sheet control system based on an Arduino software and hardware platform, and relates to the technical field of detection of an offset printing press. The ultrasonic double-sheet control system comprises an ultrasonic double-sheet detection sensor and a double-sheet logic controller, wherein the ultrasonic double-sheet detection sensor is used for detecting no-sheet, single-sheet and double-sheet signals; the double-sheet logic controller adopts Arduino UNO R3 as a main control board, utilizes software programming to achieve a counting function, andoutputs an alarm signal to realize double-sheet alarm and stop when the counter value overflows. The ultrasonic double-sheet detection control system minimizes the omission rate of double or multiplesheets, effectively avoids the equipment safety and blank sheet quality problems caused by detection omission of double sheets, and obtains better economic benefits. The control system is relatively independent to meet the versatility in different kinds of sheet-fed offset printing presses, and can be easily promoted and applied to any sheet-fed offset printing press only with simple signal interaction.

The invention discloses a box for researching diffusion of urban solid contaminant and a method thereof. A main body part of the box for researching diffusion of urban solid contaminant is divided into a contaminant diffusion simulating box with a contaminant slot; the contaminant slot is arranged at the periphery of the top of the contaminant diffusion simulating box and the contaminant diffusion simulating box further comprises an urban pollution measuring module and a weather simulation module; the urban pollution measuring module comprises an Arduino uno R3 singlechip development panel, 2 laser sensors, a resistance wire, a capacitor and a computer. Measuring software is installed in the computer; the 2 laser sensors are distributed in the contaminant diffusion simulating box, and the invention provides a reliable device for researching urban solid contaminant by using accuracy of a 3D printing technology.

The invention discloses an ultrasonic double-sheet control system based on an Arduino software and hardware platform, and relates to the technical field of offset printing machine detection. The invention includes an ultrasonic double-sheet detection sensor, which is used to detect empty sheets, single sheets, and double-sheet signals; a double-sheet logic controller, which adopts Arduino UNO R3 as the main control board and uses software programming Realize the counting function, output alarm signal when the counter value overflows, and realize double alarm shutdown. The present invention minimizes the rate of missed detection of double sheets or multiple sheets through an ultrasonic double sheet detection control system, effectively avoids equipment safety and blank sheet quality problems caused by double sheet missed detection, and achieves better economic benefits. The present invention has relative independence of the control system, satisfies its versatility for use in different types of sheet-fed offset printing machines, and can be easily popularized and applied to any sheet-fed offset printing machines as long as simple signal interaction is performed.

The invention discloses a portable mobile flower watering machine and a working method thereof, and belongs to the field of intelligent control over flower watering. The portable mobile flower watering machine is provided with walking mechanisms, rotation wheels are installed on bottom plates of the walking mechanisms, and thrust ball bearings are installed in the centers of the bottom plates. By arranging the rotation wheels and the thrust ball bearings, the machine can freely walk and can rotate 360 degrees, and the machine is more intelligent and convenient to use; the end of the lateral side of a walking device are provided with a mechanical arm and a control box respectively, one end of the mechanical arm is provided with a temperature and humidity sensor, the mechanical arm can freely rotate, stretch and retract and can be fixed to a position, the mechanical arm is very flexible, it is not required that the temperature and humidity sensor is installed on the bottom of a pot, and application is wider; a main control board adopts an Arduino UNO development board which is an open-source board, and by using the Internet-of-Things technology, no matter where a user is, the user can take care of potted plants when staying in a place covered with network communications.

The invention provides an automatic detector and a detection method for rapidly detecting a fish body storage mode without damage. According to the automatic detector, an Arduino Uno development boardis used as a signal generator to generate alternating current signals with different frequencies; an Arduino Mega 2560 development board is used as a central processing unit, voltage information of corresponding elements is received, calculation and analysis are carried out according to a program burnt in advance, a result is displayed on an LCD display screen, and intelligent detection is achieved. Instruments are used for replacing manual work to achieve detection of the fish body storage mode, and the automatic detector is convenient, rapid, simple and practical.

The invention discloses an intelligent walking stick falling-off alarm system and an APP client design method. The system comprises a walking stick head which is internally embedded with a 9V alkaline battery, a flashlight button and an alarm button, and the bottom portion of which is provided with hand-type lines; a walking stick body which is internally embedded with an Arduino UNO master controller, an Arduino SIM808 module, a crash sensor and a horizon sensor, and is externally provided with a buzzer, a flashlight and a non-slip mat; and an APP client, which is arranged to a smart mobile phone, wherein the APP client is developed by eclipse software based on a java platform, and is in direct communication with the Arduino SIM808 module embedded in the intelligent walking stick through a mobile internet. The intelligent walking stick falling-off alarm system and the mobile phone APP client design method provide a remote falling-off monitoring energy-saving intelligent walking stick with falling-off detection, position tracking, the flashlight and the APP client being integrated for the fell-over old men, provide real-time falling-off monitoring information for guardians of the old men, and can be applied to the walking stick.

The invention discloses a gas traceability system based on an Arduino trolley carrying sensor and an algorithm thereof, relates to the technical field of gas source positioning, and solves the technical problems of manual checking of leakage conditions and leakage sources and dangers thereof, and the gas traceability system comprises a trolley, a gas sensor, a trolley positioning system and a gas source positioning system, the trolley is provided with a mainboard which is Arduino UNO R3 and is connected with the gas sensor which is a semiconductor gas sensor, the trolley is provided with a CC2530 radio frequency module based on a Zigbee protocol, the CC2530 radio frequency module is connected with the gas sensor, the CC2530 radio frequency module is provided with a transmitting node and a receiving node, Zigbee networking is carried out between the transmitting node and the receiving node, and the gas sensor is connected with the CC2530 radio frequency module. Triangle positioning, centroid algorithm positioning and genetic evolutionary algorithm searching are adopted, and gas concentration detection is combined with a related algorithm to position a leakage source.

The invention relates to a dynamic early warning system based on a Beidou communication system for preventing the side turning of a truck. The dynamic early warning system based on the Beidou communication system for preventing the side turning of the truck comprises a displacement sensor, a Beidou positioning module, a Beidou minimum system Arduino UNO single chip microcomputer, an OLED (OrganicLight Emitting Diode) display screen, a RGB (Red, Green, Blue) three-primary color LED (Light Emitting Diode) light, and a buzzer. The dynamic early warning system based on the Beidou communication system for preventing the side turning of the truck has the beneficial effects that if goods moves in a safety range in the running process of the truck, a green light of the dynamic early warning system gives out light, and a driver drives normally; if the goods moves outside the safe range and the truck has potential safety hazards, the green light goes out and a red light is on, and meanwhile analarm is issued; the dynamic early warning system can provide the traffic location information and running speed of the truck by using the Beidou communication system; and if an accident occurs, the driver accurately provides the location of the accident to avoid the occurrence of a second accident, and strives for valuable time for the department of transportation to deal with the accident in time.

The invention discloses a differential type anti-strong-interference real time velometer based on Arduino, and a control method thereof. The velometer comprises a singlechip system, a hall sensor module, a filter circuit and a magnetic code disc, wherein the hall sensor module includes a first hall sensor for detecting a rotating speed signal and a second hall sensor for detecting an interference signal; the singlechip system utilizes an Arduino UNO system which is provided with two interrupt input interfaces, and the two interrupt input interfaces are respectively connected with the first hall sensor and the second hall sensor; and one end of the filter circuit is connected with the Arduino UNO system, and the other end of the filter circuit is connected with the hall sensor module. The differential type anti-strong-interference real time velometer based on Arduino utilizes the difference method to process the strong interference from vibration and electromagnetism, wherein the first hall sensor is responsible for measuring the rotating speed in real time and the second hall sensor is responsible for measuring the interference signal from the measurement; and the differential type anti-strong-interference real time velometer based on Arduino utilizes a difference function to process the data measured by the first hall sensor and the second hall sensor so that accurate rotating speed data can be obtained.