CN112214423B - Low-cost control device, control method, control system and storage medium - Google Patents
Low-cost control device, control method, control system and storage medium Download PDFInfo
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- CN112214423B CN112214423B CN202011081064.0A CN202011081064A CN112214423B CN 112214423 B CN112214423 B CN 112214423B CN 202011081064 A CN202011081064 A CN 202011081064A CN 112214423 B CN112214423 B CN 112214423B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/105—Program control for peripheral devices where the programme performs an input/output emulation function
Abstract
The application relates to a low-cost control device, a management and control method, a management and control system and a storage medium, relates to the technical field of electronic equipment, solves the problem of higher overall cost of a controller caused by excessive functional modules, and comprises the following steps: the main control terminal is used for data analysis calculation and signal transmission control of related equipment; the SD card port stores information content; the information reading and writing device is controlled by the master control terminal to simulate the SPI interface to read/write the SD card content; the display signal transmission device is controlled by the SPI interface simulated by the main control terminal to perform display signal transmission; the display device is coupled with the display signal transmission device to receive the information display signal and make the signal; and the information storage device is controlled by the SPI interface simulated by the main control terminal to drive information storage. The application has the effects of reducing interfaces, reducing the volume of packaging and reducing the overall cost.
Description
Technical Field
The present disclosure relates to the field of electronic devices, and in particular, to a low-cost control apparatus, a control method, a control system, and a storage medium.
Background
The controller (english name: controller) is composed of a program counter, an instruction register, an instruction decoder, a timing generator and an operation controller, and is a decision-making mechanism for issuing commands, namely, the controller is used for coordinating and commanding the operation of the whole computer system.
The controller integrates a central processing unit, a synchronous dynamic random access memory (english name: SDRAM), a liquid crystal display (english name: lcd) interface, a nandflash memory chip, a universal serial interface (english name: usb) and a liquid crystal display (english name: lcd), and sets corresponding matching interfaces for different functional modules, and the controller has more interfaces and larger package, and refer to fig. 8.
In view of the above-mentioned related art, the inventor believes that there are defects of a large number of interfaces and a large package.
Disclosure of Invention
In order to reduce interfaces and reduce the volume of a package, the present application provides a low-cost control device, a management and control method, a management and control system, and a storage medium.
In a first aspect, the present application provides a low-cost control device, which adopts the following technical solution:
a low cost control device comprising:
the main control terminal is used for data analysis calculation and signal transmission control of related equipment;
an SD card port for inserting an SD card;
the information reading and writing device is controlled by the master control terminal to simulate the SPI interface to read/write the SD card content;
the display signal transmission device is controlled by the SPI interface simulated by the main control terminal to perform display signal transmission;
the display device is coupled with the display signal transmission device to receive the information display signal and make the signal;
and the information storage device is controlled by the SPI interface simulated by the main control terminal to drive information storage.
Through adopting above-mentioned technical scheme, through the SD card port, the information read write function that USB played has effectively been replaced in information read write device's setting, and the cost of port has been reduced and the space of partial shipment has been reduced simultaneously, display information transmission device and display device's setting have effectively replaced conventional LCD port through the SPI interface of simulation, the cost of port has been reduced and the space of partial shipment has been reduced simultaneously when guaranteeing display device normal use, similarly, information storage device carries out the information storage of operating through serial interface, also the corresponding cost of port that has reduced the space of partial shipment, in addition, to sum up, frequent use through serial port, also the corresponding model that has reduced the port, the space of partial shipment has been reduced and the cost of whole cost has been reduced.
Optionally, the information reading and writing device includes:
the initialization module is used for simulating an SPI (serial peripheral interface) through a GPIO (general purpose input/output) interface and initializing the SD card by the main control terminal;
and the read-write module is used for performing read/write operation on the initialized SD card.
By adopting the technical scheme, the effective read/write operation of the SD card through the serial port is effectively ensured by the combined use of the initialization module and the read-write module.
In a second aspect, the present application provides a control method for a low-cost control device, which adopts the following technical solutions:
a management and control method of a low-cost control device comprises the following steps:
acquiring a login account of a user;
constructing a login password of the user at this time based on the digital password matched with the login account, the verification code information sent to the mobile phone of the user and the information of the current date;
acquiring a login password input by a user;
comparing the login password input by the user with the constructed current login password of the user;
if the comparison is consistent, logging in an operation interface of the display device;
if the comparison is inconsistent, giving a login prompt and clearing the wrong part in the currently input login password
By adopting the technical scheme, the login password of the user can be effectively determined for the login account number input by the user and other related conditions, the determined login password of the user is compared with the login password actually input by the user, the user can log in the operation interface to perform related operations in time when the comparison is successful, the operation safety is effectively improved, and the situation that an outsider randomly starts the operation is avoided.
Optionally, the construction steps of the user login password at this time are as follows:
searching a user mobile phone number matched with a login account number from a preset first database in which the login account number of a user and the mobile phone number matched with the corresponding login account number of the user are stored;
sending a random verification code to a mobile phone of a user;
taking the digital password matched with the login account as a first password group, taking the verification code information sent to the mobile phone of the user as a second password group, and taking the number covered by the current date as a third password group;
sequentially adding the mantissas of the first cipher group, the mantissas of the second cipher group and the mantissas of the third cipher group to obtain the sum of the mantissas of the first cipher group, the mantissas of the second cipher group and the mantissas of the third cipher group, and synchronously multiplying the mantissas of the first cipher group, the mantissas of the second cipher group and the mantissas of the third cipher group in sequence to obtain the product of the mantissas of the first cipher group, the mantissas of the second cipher group and the mantissas of the third cipher group;
taking the product of the three mantissas as a dividend and the sum of the three mantissas as a divisor, obtaining the quotient and the remainder of the two mantissas, and if the quotient of the two mantissas is greater than the remainder, arranging the first password group before the second password group; otherwise, the first password group is arranged behind the second password group; if the quotient and the remainder are both odd numbers, setting a third password group at the bottom; if one of the quotient and the remainder is odd and the other is even, the third code group is arranged between the first code group and the second code group; if the quotient and the remainder are both even numbers, the third code group is arranged before the first code group and the second code group;
and arranging the first cipher group, the second cipher group and the third cipher group in sequence to construct a correct login cipher of the user.
By adopting the technical scheme, the digital password matched with the login account number, the verification code information sent to the mobile phone of the user and the number covered by the current date are reasonably arranged, so that the login password of the user is effectively constructed.
Optionally, if the comparison is inconsistent, the construction steps of giving a login prompt and clearing the error part in the currently input login password are as follows:
dividing the login password input by the user into three parts according to the order of the correct login password of the user, wherein the three parts are a first part, a second part and a third part in sequence;
analyzing the part which is not aligned, and informing the part which is not aligned to the user;
and automatically clearing the error part in the login password currently input by the user.
By adopting the technical scheme, the fact that the password is wrongly input due to personal negligence factors when the login user logs in is fully considered, wrong inspiration can be given at the moment, related wrong contents can be directly cleared, and the user who is wrongly input due to the personal negligence factors can conveniently input and finish the login of the operating system as soon as possible.
Optionally, the method for managing and controlling a low-cost control device further includes the step of, if the comparison is inconsistent, giving a login prompt and clearing an error portion of the currently input login password:
calculating the times of inconsistent comparison;
if the comparison times exceed three times, performing form adjustment based on the original login password;
acquiring a login password of a user and comparing the login password and the login form of the user with a correct login password and a correct login form;
if the comparison is consistent, the login is completed;
if the comparison is inconsistent, the locking system prohibits login.
By adopting the technical scheme, the original login password is adjusted to avoid the situation that a layman tries to crack the password when the user contacts with the password for three times and fails, so that the situation that the layman tries to crack the password is effectively avoided.
Optionally, the step of performing form adjustment based on the original login password is as follows:
acquiring the original correct login password and the positions of different password groups;
and inputting the passwords one by one according to the sequence from the first password group to the third password group, wherein the time interval for inputting the passwords of different adjacent groups is a preset time range.
By adopting the technical scheme, the input sequence of each specific group of the password is adjusted under the condition that the password is not changed, so that the login of a layman under the condition of knowing the password is avoided, and the safety of the whole system is improved.
In a third aspect, the present application provides a management and control system for a low-cost control device, which adopts the following technical solution:
a management and control system of a low-cost control device, comprising a memory, a processor and a program stored on the memory and running on the processor, wherein the program can be loaded and executed by the processor to realize the management and control method of the low-cost control device according to any one of the preceding claims
By adopting the technical scheme, the login password of the user can be effectively determined for the login account number input by the user and other related conditions through calling the program, the determined login password of the user is compared with the login password actually input by the user, the user can log in the operation interface to perform related operations in time when the comparison is successful, the operation safety is effectively improved, and the situation that an outsider randomly starts the operation is avoided.
In a fourth aspect, the present application provides a computer storage medium, which adopts the following technical solutions:
a computer storage medium comprising a program that can be loaded and executed by a processor to implement the method of managing and controlling the low-cost control apparatus according to any one of claims 3 to 7
By adopting the technical scheme, the login password of the user can be effectively determined for the login account number input by the user and other related conditions through calling the program, the determined login password of the user is compared with the login password actually input by the user, the user can log in the operation interface to perform related operations in time when the comparison is successful, the operation safety is effectively improved, and the situation that an outsider randomly starts the operation is avoided.
To sum up, the beneficial technical effect of this application does:
1. on one hand, the SD card port replaces a USB port, and meanwhile, the use of ports with various models is reduced, so that the cost is integrally reduced;
2. the safety of the low-cost control device is improved, and the control device is prevented from being cracked and used by outsiders.
Drawings
Fig. 1 is a schematic diagram of an application of a low-cost control device according to an embodiment of the present application.
FIG. 2 is a schematic view of the overall structure of the low-cost control device according to the embodiment of the present application.
Fig. 3 is a schematic diagram illustrating overall steps of a management and control method of a low-cost control device according to an embodiment of the present application.
Fig. 4 is a detailed step diagram of step S200 in fig. 3.
FIG. 5 is a diagram illustrating the detailed step of step SB00 in FIG. 3.
FIG. 6 is a schematic diagram showing the steps after comparing the inconsistency, giving a login prompt and clearing the error part in the currently entered login password.
FIG. 7 is a diagram illustrating the detailed steps of step SCB0 in FIG. 6.
Fig. 8 is a prior art schematic referred to in the background art.
In the figure, 1, a main control terminal; 2. an information reading and writing device; 3. a display device; 4. an information storage device; 5. initializing a module; 6. a read-write module; 7. an SD card port; 8. display signal transmission device.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
Referring to fig. 1 and 2, a low-cost control device disclosed in the present application includes a main control terminal 1 for data analysis and calculation and transmitting signals to control related devices, an SD card port 7 for inserting an SD card, an information read/write device 2 controlled by the main control terminal 1 to simulate an SPI interface to read/write contents of the SD card, a display signal transmission device 8 controlled by the SPI interface simulated by the main control terminal 1 to transmit display signals, a display device 3 coupled to the display signal transmission device 8 to receive and display information display signals, and an information storage device 4 controlled by the SPI interface simulated by the main control terminal 1 to drive information storage.
The main control terminal 1 may be a central processing unit (english name: CPU) or a micro central processing unit (english name: MCU).
The SD card port 7 can effectively replace the function of the USB, and the cost is reduced.
The information read-write device 2 comprises an initialization module 5 and a read-write module 6, wherein the initialization module simulates an SPI (serial peripheral interface) through a GPIO (general purpose input/output) interface and initializes the SD card by the main control terminal 1, and the read-write module reads/writes the initialized SD card.
The display signal transmission device 8 forms the same function as an LCD port through a GPIO analog SPI interface so as to reduce the number of ports and the types of the corresponding ports as much as possible.
The display device 3 is a liquid crystal display.
The SPI interface mentioned above is a serial peripheral interface, and the SPI interface is a full-duplex three-wire synchronous serial peripheral interface first proposed by Motorola, and adopts a Master Slave (Master Slave) architecture.
Wherein, the above mentioned GPIO is also called bus expander, and the GPIO interface has the following advantages: advantage 1: GPIO has lower power loss (about 1 muA, 100 muA for operating current of muC); advantage 2: the integrated IIC slave interface is internally provided with the IIC slave interface in the GPIO, and can work at full speed even in a standby mode; advantage 3: small package, GPIO devices provide minimum package size; advantage 4: the cost is low: you do not use the function purchase list which is not used; advantage 5: the method is fast to appear on the market, extra codes and documents do not need to be written, and no maintenance work is needed; advantage 6: flexible light control, built-in multi-path high-resolution PWM output; advantage 7: the response time can be predetermined: shortening or determining the response time between an external event and an interrupt; the advantages are that: better light effect: the matched current output ensures uniform display brightness; the advantages are that 9: the wiring is simple, and an IIC bus or 3 SPI buses can be formed only by using 2 cables; the advantages are that: similar to the functions of several groups of GPIO pins of ARM, GPxCON controls the functions of the pins, and GPxDAT is used for reading and writing pin data. Additionally, GPxUP is used to determine whether to use a pull-up resistor.
The information storage device 4 is spilash, which is a Flash that uses SPI communication, i.e., may refer to NOR may be NAND. However, in most cases, the SPI Flash is referred to as SPINorFlash by default, and spifly has the following advantages: the cost is saved, the packaging is reduced, and data is stored.
Referring to fig. 3, the embodiment of the present application further discloses a method for managing and controlling a low-cost control device, the method for managing and controlling a low-cost control device includes steps S100, S200, S300, S400, SA00, and SB00, wherein step SA00 and step SB00 work in parallel.
In step S100, a login account input by the user on the login interface of the display device 3 is acquired.
The login account input by the user on the login interface of the display device 3 in step S100 may be manually input by the user on the display interface, or may be input by the user through voice.
In step S200, the login password of the user at this time is constructed based on the digital password matched with the login account, the verification code information sent to the mobile phone of the user, and the information of the current date.
The step S200 can be divided into steps S210 to S260, referring to fig. 4.
In step S210, the mobile phone number of the user matched with the login account is found from a preset first database in which the login account of the user and the mobile phone number matched with the login account of the corresponding user are stored.
In step S220, the random authentication code is sent to the user' S mobile phone.
In step S230, the matched numeric code of the login account is used as the first password group, the verification code information sent to the mobile phone of the user is used as the second password group, and the number covered by the current date is used as the third password group.
The matching of the digital password of the login account mentioned in step S230 is realized by querying the relevant database, and the date of the day is, for example, 2020, 9, 30, so that the number covered by the date of the day is 20200829.
In step S240, the mantissas of the first cipher group, the mantissas of the second cipher group, and the mantissas of the third cipher group are sequentially added to obtain the sum of the mantissas of the first cipher group, the mantissas of the second cipher group, and the mantissas of the third cipher group, and the product of the mantissas of the first cipher group, the mantissas of the second cipher group, and the mantissas of the third cipher group is synchronously multiplied to obtain the product of the mantissas of the third cipher group.
For example, if the first cipher group is 3256, then the mantissa of the first cipher group is 6, the second cipher group is 3679, then the mantissa of the second cipher group is 9, the third cipher group is 20200829, then the mantissa of the third cipher group is 9, then the sum of the three mantissas is 15, then the product of the three mantissas is 486.
In step S250, the product of the three mantissas is used as dividend, the sum of the three mantissas is used as divisor, the quotient and remainder of the two mantissas are obtained, and if the quotient of the two mantissas is greater than the remainder, the first password set is arranged before the second password set; otherwise, the first password group is arranged behind the second password group; if the quotient and the remainder are both odd numbers, setting a third password group at the bottom; if one of the quotient and the remainder is odd and the other is even, the third code group is arranged between the first code group and the second code group; if the quotient and remainder are both even numbers, the third code set is preceded by the first code set and the second code set.
For example, if the product of the three mantissas is 486 and the sum of the three mantissas is 15, then the quotient is 32, the remainder is 6, the quotient is greater than the remainder, then the first code set is arranged before the second code set, otherwise, both the quotient and the remainder are even numbers, then the third code set is arranged before the first code set and the second code set, and the specific correct user login code is 2020082932563679.
In step S260, the first cipher group, the second cipher group, and the third cipher group are arranged in the order to construct the correct login password of the user.
In step S300, a login password input by the user is acquired.
In step S400, the login password entered by the user is compared with the constructed current login password of the user.
In step SA00, if the comparison matches, the control interface of the display device 3 is registered.
In step SB00, if the comparison is not consistent, a login prompt is given and the current wrong part of the input login password is cleared.
The step SB00 can be divided into steps SB10 to SB30, see fig. 5.
In step SB10, the login password input by the user at this time is divided into three parts in the order of the correct login password of the user at this time, which are the first part, the second part, and the third part in this order.
For example, the order of the current login password of the user is input according to the sequence from high order to low order, and if the correct order of the current login password of the user is the third password group, the first password group and the second password group, the login password input by the current user correspondingly follows the order.
In step SB20, the part in which the alignment is not up is analyzed, and the user is notified of the part in which the alignment is not up.
For example, if the second part is not matched, the user is notified of the second part, where the user may be notified by changing the color of the password of the corresponding second part or by sounding.
In step SB30, the part of the login password currently entered by the user that is incorrect is automatically cleared.
In addition, considering that a situation that a layman tries to crack the password occurs, the method for managing and controlling the low-cost control device further includes a step after comparing the password with the password in the inconsistent state, and then giving a login prompt and clearing an error part in the currently input login password, and the specific steps can be divided into a step SC10, a step SC20, a step SC30, a step SCA0 and a step SCB0, and refer to fig. 6.
In step SC10, the number of times of alignment disagreement is calculated.
In step SC20, if the number of comparisons exceeds three, the format is adjusted based on the original login password.
The step SC20 can be divided into steps SC21 to SC22, referring to fig. 7.
In step SC21, the correct login password and the location of the different password groups are obtained.
In step SC22, the passwords are input one by one according to the order from the first password group to the third password group, and the time interval between the input of the passwords of different adjacent groups is a predetermined time range.
For example, if the correct password sequence for the user to log in this time is the third password group, the first password group, and the second password group, the first password group should be input first, the second password group should be input second, and the third password group should be input last.
Alternatively, the time interval between the password inputs of different adjacent groups may be a predetermined fixed time, or may be a sum of numbers covered by the current date, for example 20200829, so that the sum of passwords is 23.
In step SC30, the login password of the user is obtained and compared with the correct login password and login type.
In step SCA0, if the comparison is consistent, the registration is completed.
If the comparison is not consistent in step SCB0, the locking system prohibits login.
An embodiment of the present invention provides a computer-readable storage medium, which includes a program capable of being loaded and executed by a processor to implement the method as shown in any one of fig. 3-7.
The computer-readable storage medium includes, for example: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Based on the same inventive concept, an embodiment of the present invention provides a control system of a low-cost control device, including a memory and a processor, where the memory stores a program that can be executed on the processor to implement any one of the methods shown in fig. 3 to 7.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a module or a unit may be divided into only one logical function, and may be implemented in other ways, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: u disk, removable hard disk, read only memory, random access memory, magnetic or optical disk, etc. for storing program codes.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (3)
1. A management and control method of a low-cost control device is characterized by comprising the following steps:
acquiring a login account input by a user on a login interface of a display device (3);
constructing a login password of the user at this time based on the digital password matched with the login account, the verification code information sent to the mobile phone of the user and the information of the current date;
acquiring a login password input by a user;
comparing the login password input by the user with the constructed current login password of the user;
if the comparison is consistent, logging in a control interface of the display device (3);
if the comparison is inconsistent, giving a login prompt and clearing the error part in the currently input login password;
the construction steps of the user login password at this time are as follows:
searching a user mobile phone number matched with a login account number from a preset first database in which the login account number of a user and the mobile phone number matched with the corresponding login account number of the user are stored;
sending a random verification code to a mobile phone of a user;
taking the digital password matched with the login account as a first password group, taking the verification code information sent to the mobile phone of the user as a second password group, and taking the number covered by the current date as a third password group;
sequentially adding the mantissas of the first cipher group, the mantissas of the second cipher group and the mantissas of the third cipher group to obtain the sum of the mantissas of the first cipher group, the mantissas of the second cipher group and the mantissas of the third cipher group, and synchronously multiplying the mantissas of the first cipher group, the mantissas of the second cipher group and the mantissas of the third cipher group in sequence to obtain the product of the mantissas of the first cipher group, the mantissas of the second cipher group and the mantissas of the third cipher group;
taking the product of the three mantissas as a dividend and the sum of the three mantissas as a divisor, obtaining the quotient and the remainder of the two mantissas, and if the quotient of the two mantissas is greater than the remainder, arranging the first password group before the second password group; otherwise, the first password group is arranged behind the second password group; if the quotient and the remainder are both odd numbers, setting a third password group at the bottom; if one of the quotient and the remainder is odd and the other is even, the third code group is arranged between the first code group and the second code group; if the quotient and the remainder are both even numbers, the third code group is arranged before the first code group and the second code group;
arranging the first cipher group, the second cipher group and the third cipher group in sequence to construct a correct user login cipher;
if the comparison is inconsistent, the construction steps of giving a login prompt and clearing the error part in the currently input login password are as follows:
dividing the login password input by the user into three parts according to the order of the correct login password of the user, wherein the three parts are a first part, a second part and a third part in sequence;
analyzing the part which is not aligned, and informing the part which is not aligned to the user;
automatically clearing the error part in the login password currently input by the user;
the control method of the low-cost control device also comprises the following steps of giving a login prompt and clearing the error part in the current input login password if the comparison is inconsistent:
calculating the times of inconsistent comparison;
if the comparison times exceed three times, performing form adjustment based on the original login password;
acquiring a login password of a user and comparing the login password and the login form of the user with a correct login password and a correct login form;
if the comparison is consistent, the login is completed;
if the comparison is inconsistent, the locking system prohibits login;
the method for adjusting the form based on the original login password comprises the following steps:
acquiring the original correct login password and the positions of different password groups;
and inputting the passwords one by one according to the sequence from the first password group to the third password group, wherein the time interval for inputting the passwords of different adjacent groups is a preset time range.
2. The utility model provides a management and control system of low-cost controlling means which characterized in that: comprising a memory, a processor and a program stored on said memory and executable on said processor, which program, when loaded and executed by the processor, implements the method of policing a low-cost control means as claimed in claim 1.
3. A computer storage medium, characterized in that: a program comprising instructions capable of being loaded and executed by a processor to implement the method of policing a low-cost control apparatus as claimed in claim 1.
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| WO2017076270A1 (en) * | 2015-11-03 | 2017-05-11 | 国民技术股份有限公司 | Smart card having function of one time password (otp), and work method therefor |
| CN109166199B (en) * | 2018-07-06 | 2021-02-23 | 嘟嘟物联网（深圳）有限公司 | Password generation method, device and equipment |
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| CN202650129U (en) * | 2012-05-28 | 2013-01-02 | 浙江大学城市学院 | Multifunctional intelligent terminal electronic cabinet system based on wireless network |
| CN108768391A (en) * | 2018-04-16 | 2018-11-06 | 上海大学 | A kind of frequency synthesizer system based on Raspberry Pi and Python |
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