CN109030871A - The multifunctional test system of test pencil separate type based on OneNet - Google Patents
The multifunctional test system of test pencil separate type based on OneNet Download PDFInfo
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- CN109030871A CN109030871A CN201810938330.3A CN201810938330A CN109030871A CN 109030871 A CN109030871 A CN 109030871A CN 201810938330 A CN201810938330 A CN 201810938330A CN 109030871 A CN109030871 A CN 109030871A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
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Abstract
The present invention relates to test table system regions, the multifunctional test system of specially a kind of test pencil separate type based on OneNet, this test pencil separate type multifunctional test macro, comprising: wireless test pencil, host side and/or cloud；Wherein the wireless meter pen, which is suitable for that data will be acquired, is wirelessly transmitted to host side and/or cloud；The host side, cloud show the acquisition data respectively.Wireless test pencil will acquire data and show the acquisition data respectively by being wirelessly transmitted to host side and/or cloud, the host side, cloud in the present invention, realize the measurement of test pencil separate type.
Description
Technical field
The present invention relates to test table system regions, specially a kind of test pencil separate type multifunctional test macro and its work side
Method.
Background technique
Oscillograph is a kind of important tool of debug circuit, and with the rapid development of science and technology, oscillograph is had been developed as
A kind of intelligent testing equipment integrating each function such as measurement, display, analysis, record.
Nowadays outdoors and in industrial construction process, rugged environment can inevitably be encountered.Traditional test table can only be
Run in the case where mains-supplied, and since volume is big, it is inconvenient to carry the disadvantages of be unfavorable for measurement progress.
Based on the above issues, need to design a kind of new test pencil separate type multifunctional test macro.Summary of the invention
The object of the present invention is to provide a kind of test pencil separate type multifunctional test macro and its working methods.
In order to solve the above-mentioned technical problems, the present invention provides a kind of test pencil separate type multifunctional test macros, comprising:
Wireless test pencil, host side and/or cloud；Wherein
The wireless test pencil, which is suitable for that data will be acquired, is wirelessly transmitted to host side and/or cloud；
The host side, cloud show the acquisition data respectively.
Further, the wireless test pencil includes: signal acquisition terminal, from processor module, and with this from processor module
The slave wireless module being electrically connected；Wherein
The signal acquisition terminal is suitable for acquiring the electric signal at tested end, and electric signal is sent to from processor module, to obtain
The waveform and frequency data of electric signal, then by being sent to host side and/or cloud from wireless module.
Further, the host side includes: main processor modules, the master for the main electric connection being connected with the main processing block
Wireless module, memory module and human-computer interaction interface；
Waveform and frequency data are received by main wireless module, and after being cached by memory module, then passes through human-computer interaction
The above-mentioned waveform of interface display and frequency data.
Further, the host side is equipped with outer memory module, to store to waveform and frequency data.
Further, the cloud is suitable for using OneNET cloud platform；
The device numbering that this wireless test pencil is added in the OneNET cloud platform, establishes a connection, to receive wireless test pencil
Waveform and frequency data；And
After uploading waveform and frequency data, pass through WEB page display waveform and frequency data.
Further, function signal generator circuit is equipped in the wireless test pencil, the function signal generator circuit
Control terminal is electrically connected with from the control output end of processor module；And
The host side sends function signal control instruction by main wireless module；
It is described from processor module by receiving function signal control instruction from wireless module after, control function signal generator
Circuit generates respective waveforms and is exported by the signal acquisition terminal of line test pencil.
Further, it is equipped with lithium battery power supply in the wireless test pencil and manages circuit.
On the other hand, the present invention provides a kind of working method of test pencil separate type multifunctional test macro, comprising:
Wireless test pencil, host side and/or cloud；Wherein
The wireless test pencil, which is suitable for that data will be acquired, is wirelessly transmitted to host side and/or cloud；
The host side, cloud show the acquisition data respectively.
Further, the wireless test pencil includes: signal acquisition terminal, from processor module, and with this from processor module
The slave wireless module being electrically connected；Wherein
The signal acquisition terminal is suitable for acquiring the electric signal at tested end, and electric signal is sent to from processor module, to obtain
The waveform and frequency data of electric signal, then by being sent to host side and/or cloud from wireless module；And
The host side includes: main processor modules, and the main wireless module for the main electric connection being connected with the main processing block is deposited
Store up module and human-computer interaction interface；
Waveform and frequency data are received by main wireless module, and after being cached by memory module, then passes through human-computer interaction
The above-mentioned waveform of interface display and frequency data.
Further, the cloud is suitable for using OneNET cloud platform；
The device numbering that this wireless test pencil is added in the OneNET cloud platform, establishes a connection, to receive wireless test pencil
Waveform and frequency data；And
After uploading waveform and frequency data, pass through WEB page display waveform and frequency data.
The invention has the advantages that in the present invention wireless test pencil will acquire data by be wirelessly transmitted to host side and/
Or cloud, the host side, cloud show the acquisition data respectively, realize the measurement of test pencil separate type.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of system block diagram of test pencil separate type multifunctional test macro according to the present invention；
Fig. 2 is the flow chart of signal acquisition in a kind of test pencil separate type multifunctional test macro according to the present invention；
Fig. 3 is the flow chart of wireless test pencil in a kind of test pencil separate type multifunctional test macro according to the present invention；
Fig. 4 is the flow chart of host side in a kind of test pencil separate type multifunctional test macro according to the present invention；
Fig. 5 is the electricity of the main processor modules of host side in a kind of test pencil separate type multifunctional test macro according to the present invention
Road schematic diagram；
Fig. 6 is WIFI module circuit diagram in a kind of test pencil separate type multifunctional test macro according to the present invention；
Fig. 7 is touch screen circuitry in a kind of test pencil separate type multifunctional test macro according to the present invention；
Fig. 8 is a kind of test pencil separate type multifunctional test macro medium cloud end according to the present invention access process figure；
Fig. 9 (a) is that the lithium battery power supply in wireless test pencil according to the present invention manages reduction voltage circuit schematic diagram in circuit；
Fig. 9 (b) is that the lithium battery power supply in wireless test pencil according to the present invention manages booster circuit schematic diagram in circuit；
Fig. 9 (c) is that the lithium battery power supply in wireless test pencil according to the present invention manages charging circuit schematic diagram in circuit；
Fig. 9 (d) is that the lithium battery power supply in wireless test pencil according to the present invention manages OTG circuit diagram in circuit.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
Fig. 1 is a kind of system block diagram of test pencil separate type multifunctional test macro according to the present invention.
As shown in Figure 1, present embodiments providing a kind of test pencil separate type multifunctional test macro, comprising: wireless test pencil, master
Generator terminal and/or cloud；Wherein the wireless meter pen, which is suitable for that data will be acquired, is wirelessly transmitted to host side and/or cloud；The master
Generator terminal, cloud show the acquisition data respectively, realize the measurement of test pencil separate type.
Fig. 2 is the flow chart of signal acquisition in a kind of test pencil separate type multifunctional test macro according to the present invention.
Fig. 3 is the flow chart of wireless test pencil in a kind of test pencil separate type multifunctional test macro according to the present invention.
As shown in Figures 2 and 3, in the present embodiment, the wireless test pencil includes: signal acquisition terminal, from processor module,
And with this from processor module be electrically connected slave wireless module.Wherein the signal acquisition terminal is suitable for acquiring the electricity at tested end
Signal, and electric signal is sent to from processor module, to obtain the waveform and frequency data of electric signal, then by from wireless module
It is sent to host side and/or cloud.
In the present embodiment, STM32F103 processor can be used from processor module, and by ADC inside it into
Therefore row waveform acquisition is reasonably configured to from the related register of ADC inside processor module, i.e., in this embodiment
It is read out calculating to ADC sampled value in timer interruption to save, the inside ADC sample rate highest of STM32F103 processor
Timer interruption is not used to carry out the reading of ADC value in the present embodiment in order to play the peak performance of ADC sampling up to 1Mbps
It takes, pop down is carried out to scene when due to passing in and out interruption every time and Pop operations are excessively time-consuming, so the present embodiment is sampled using ADC
It transmits in conjunction with DMA channel data, directly the corresponding DMA data channel ADC is stored in from processor module internal random memory
(RAM) in, ADC sample rate is not only accelerated in this way, is also saved from processor module system resource, therefore, so that wirelessly
Test pencil is small in size to be convenient for carrying.
Fig. 4 is the flow chart of host side in a kind of test pencil separate type multifunctional test macro according to the present invention.
Fig. 5 is the main processor modules of host side in a kind of test pencil separate type multifunctional test macro according to the present invention
Circuit diagram.
As shown in Figure 4 and Figure 5, in the present embodiment, the host side includes: main processor modules, with the main process task mould
Main wireless module, memory module and the human-computer interaction interface that block is electrically connected；The main processor modules can also use
STM32F103C8T6 processor module；The main wireless module can use WIFI module；The human-computer interaction interface includes aobvious
Display screen and touch screen, the display screen can use TFT display screen；Waveform and frequency data are received by main wireless module, and
It is aobvious in TFT after then being performed corresponding processing by waveform convertion algorithm to Wave data after being cached by memory module
Display waveform in the corresponding coordinate points of display screen, while display frequency data；The touch screen can to waveform and frequency data into
Row setting；The host side can send Wave data by main wireless module and request to wireless test pencil；Host side will be received
Waveform and frequency data are shown in human-computer interaction interface, realize waveform and frequency data in the display of host side.
The circuit diagram of the main processor modules includes: crystal oscillating circuit, reset circuit, clock circuit, download circuit
And start-up mode；Starting of oscillation capacitor will be matched with crystal oscillator in the crystal oscillating circuit, otherwise will lead to crystal oscillator not starting of oscillation, the starting of oscillation electricity
Hold can use 22pF starting of oscillation capacitor, in order to reinforce starting of oscillation effect can between two pins parallel connection 1M resistance；It is described to open
The dynamic corresponding boot startupoptions of model selection, selection start from internal Flash, to connect 10k pull down resistor in Boot0；?
In the processor of STM32F series, three kinds of different different modes can be selected by BOOT [1:0] pin.
In the present embodiment, the host side is equipped with outer memory module, to store to waveform and frequency data, institute
Stating memory module can be used using TF card by research is played back for the later period after waveform and frequency data storage.
It is described to use WIFI module from wireless module, such as ESP8266 module.
Fig. 6 is WIFI module circuit diagram in a kind of test pencil separate type multifunctional test macro according to the present invention.
As shown in fig. 6, in the present embodiment, the main wireless module and WIFI module can be used from wireless module,
The WIFI module can use ESP8266 WIFI module, realize the connection of wireless test pencil and host side and the company of cloud platform
It connects；The WIFI module is configured by AT command set to its inner workings and the transmitting-receiving of data；The WIFI module
Supply voltage is 3.3V, and the WIFI module operating current is larger (reaching as high as 1A), needs power supply that can provide enough
Electric current, otherwise may cause jitter can not even carry out data transmission；It should be noted in terms of UART hardware interface
The RXD pin of WIFI module connects the TXD pin from processor module, and the TXD pin of WIFI module meets the RXD from processor module
Pin, carrying out interconnection just can guarantee the data normal transmission (connection type and WIFI of WIFI module and main processor modules
Module is identical with from processor module connection type).
Fig. 7 is touch screen circuitry in a kind of test pencil separate type multifunctional test macro according to the present invention.
As shown in fig. 7, in the present embodiment, the human-computer interaction interface further include: touch screen, the touch screen can be adopted
Use capacitance touch screen；The element that capacitance touch screen is changed as a whole is not needed in capacitance touch screen in design process
Portion's circuit does excessive research, and touch screen producer provides data communication interface definition, only need during use according to
It databook and is correctly connected from processor module, code is then write according to touch screen related register, electricity
The display screen part for holding touch screen is led in communication interface using the FSMC interface of main processor modules and display screen part
Letter not only saves main processor modules system resource but also communication speed is very fast, and touch screen portion is in communication interface with master
The IIC interface of processor module, connection is simple, and it is convenient to operate.
In the present embodiment, the cloud can use OneNET cloud platform；This nothing is added in the OneNET cloud platform
The device numbering of line test pencil, establishes a connection, to receive the waveform and frequency data of wireless test pencil；And upload waveform and
After frequency data, pass through WEB page display waveform and frequency data.
Fig. 8 is a kind of test pencil separate type multifunctional test macro medium cloud end according to the present invention access process figure.
As shown in figure 8, in the present embodiment, realizing wireless test pencil and OneNET platform using the communication mode of wireless WIFI
Connection, the data-transformation facility in wireless test pencil and cloud is realized according to access process, by establishing TCP with OneNET server
Connection successively sends AT+CIPMODE=1 and instructs into transparent transmission mode, AT+CIPSTART=" TCP ", " 183.230.40.39 ",
TCP connection is established in " 876 " and cloud, be can use Networked E-Journals assistant and is detected whether to connect, if returning to OK CONNECT letter
Number illustrate successful connection, the communication in wireless test pencil and cloud may be implemented, realizing waveform and frequency data, WEB page is aobvious beyond the clouds
Show.
In the present embodiment, function signal generator circuit, the function signal generator are equipped in the wireless test pencil
The control terminal of circuit is electrically connected with from the control output end of processor module；And the host side is sent out by main wireless module
Send function signal control instruction；It is described from processor module by receiving function signal control instruction from wireless module after, control
Function signal generator circuit processed generates respective waveforms and is exported by the signal acquisition terminal of line test pencil；The function signal generator electricity
Road can be constituted using 555 oscillating circuits or other self-maintained circuits, can export sine wave, square wave, triangular wave, sawtooth
Wave；Different Wave datas can be exported by the wireless test pencil of function signal generator circuit.
Fig. 9 (a) is that the lithium battery power supply in wireless test pencil according to the present invention manages reduction voltage circuit schematic diagram in circuit；
Fig. 9 (b) is that the lithium battery power supply in wireless test pencil according to the present invention manages booster circuit schematic diagram in circuit；
Fig. 9 (c) is that the lithium battery power supply in wireless test pencil according to the present invention manages charging circuit schematic diagram in circuit；
Fig. 9 (d) is that the lithium battery power supply in wireless test pencil according to the present invention manages OTG circuit diagram in circuit.
As shown in Fig. 9 (a) to Fig. 9 (d), it is equipped with lithium battery power supply management electricity in the present embodiment, in the wireless test pencil
Road, the lithium battery power supply management circuit includes voltage regulator circuit and charging circuit；The voltage regulator circuit includes booster circuit and drop
Volt circuit；The booster circuit can use SX1308 chip；The reduction voltage circuit can use SX2106 chip；
Due to the voltage of lithium battery be during the work time it is unstable, can be gradually decreased with use process electricity by 4.2V,
So cannot be directly used to power to equipment interlock circuit, irreversible damage can be caused to component, so passing through boosting electricity
The voltage that lithium battery floats first is risen to stable 5V and exported by road, accordingly even when voltage is become lithium battery in use
Change, booster circuit can still export a constant 5V voltage；The reduction voltage circuit by 5V voltage step-down to 3.3V, 5V voltage and
3.3V voltage is respectively used to the power supply of different components；
The charging circuit can use TP4056 chip；The charging process of lithium battery cannot be using the voltage of a certain fixation to electricity
Pond is charged, and in order to ensure safety in utilization and the service life of raising lithium battery, the charging process of lithium battery can be subdivided into
Three Main Stages, constant current quick charge stage, constant-pressure stable charging stage and trickle protect the charging stage, and work as lithium battery
Charging can be automatically stopped after fully charged, so lithium battery charging management chip is needed to protect lithium battery；Pass through power supply
Management circuit can preferably protect component not damaged by spread of voltage bring.
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 provides a kind of working method of test pencil separate type multifunctional test macro, packet
It includes: wireless test pencil, host side and/or cloud；Wherein the wireless meter pen be suitable for will acquire data be wirelessly transmitted to host side with/
Or cloud；The host side, cloud show the acquisition data respectively.
In the present embodiment, the wireless test pencil includes: signal acquisition terminal, from processor module, and with this from processing
The slave wireless module that device module is electrically connected；Wherein the signal acquisition terminal is suitable for acquiring the electric signal at tested end, and by telecommunications
It number is sent to from processor module, to obtain the waveform and frequency data of electric signal, then by being sent to host side from wireless module
The cloud and/or；And the host side includes: main processor modules, the master for the main electric connection being connected with the main processing block
Wireless module, memory module and human-computer interaction interface；Waveform and frequency data are received by main wireless module, and passes through storage mould
After block is cached, then above-mentioned waveform and frequency data shown by human-computer interaction interface.
In the present embodiment, the cloud can use OneNET cloud platform；
The device numbering that this wireless test pencil is added in the OneNET cloud platform, establishes a connection, to receive wireless test pencil
Waveform and frequency data；And after uploading waveform and frequency data, pass through WEB page display waveform and frequency data.
In conclusion the present invention is cooperated by wireless test pencil, host side and/or cloud, realizes wireless test pencil and be suitable for inciting somebody to action
Acquisition data are wirelessly transmitted to host side and/or cloud, and the host side, cloud show the acquisition data respectively, realizes
The measurement of test pencil separate type.
The present invention finally realize superior performance, portable, separate type, can be long-range multifunctional test system, meet various
Detection demand in on-the-spot test and industrial environment.Outdoors in operation and industry, people need it is accurate rapidly complete task,
Instrument is indispensable device in maintenance work progress.
Outdoors and in industrial construction process, rugged environment can be inevitably encountered.Traditional instrument can only be in mains-supplied
In the case where run, and since volume is big, it is inconvenient to carry the disadvantages of be unfavorable for the progress of measurement.Compared with conventional instrument, this hair
It is bright to separate wireless test pencil, main processor modules to are sent collected information by wireless transmission function and are shown in host side
Oscillography shape and frequency data, while the waveform and frequency data of acquisition, the function of multihead display can be shown by OneNet cloud platform
It can be conducive to the debugging of engineering and the grasp situation of Global Information.The present invention is powered using lithium battery, due to it is small in size, take
The features such as band convenience, separate type, many problems are avoided in industrial construction process, save the construction period.Due to test pencil point
Combination from formula and OneNet two major features, portable while also effectively having ensured the operation of whole system, Bu Huiyin
For certain one end damage and lead to the paralysis of total system.
The present invention is designed for feature used in outdoor maintenance and industrial application environment, is realizing conventional instrument function
It is innovated on the basis of energy, realizes the separate type measurement of signal acquisition terminal, and combine OneNet cloud platform currently popular
Realize long-range multihead display debugging function.Compared with traditional instrument, conformability of the invention is stronger, and invention uses lithium battery
It is powered and the separate structure of test pencil, changes the disadvantages of traditional oscillograph power supply is difficult, Portable belt and debugging be not inconvenient,
With the development of science and technology, oscillograph is gradually to portability.Outdoors maintenance and industrial application in, due to not having
AC power interface is inconvenient using traditional oscilloscope measurement, not only delays the deadline, also not Portable belt.And difficult
In commercial measurement in bitter environment, it is also desirable to oscillograph is used, since requirement of the application to instrument in industry is higher, it is easy to
Instrument is damaged, traditional oscillograph is in measurement process, it is easy to the damage of probe is caused, so as to cause whole system
Paralysis, traditional oscillograph finally results in the extension and economic loss of duration due to expensive.
These puzzlements of the multifunctional test system very good solution of test pencil separate type based on OneNet, using test pencil point
The advantages such as the characteristics of from formula, OneNet remote debugging, solve the problems, such as some present in application process, and separate type test pencil has
The advantages such as easy to use, small in size, at low cost are adapted to narrow space measurement in the application, while test pencil separation avoids
Damages of the adverse circumstances to system.Present invention combination OneNet cloud platform technology, finally puts down the data information of acquisition in cloud
It is shown on platform, may be implemented the functions such as remote debugging, the characteristics of multihead display provides guarantee, Er Qiebao to the stability of system
The store function for having demonstrate,proved data may be implemented to recall to and check, be conducive to the implementation of engineering survey debugging etc..
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of test pencil separate type multifunctional test macro characterized by comprising wireless test pencil, host side and/or cloud；
Wherein the wireless meter pen, which is suitable for that data will be acquired, is wirelessly transmitted to host side and/or cloud；The host side, cloud are shown respectively
Show the acquisition data.
2. test pencil separate type multifunctional test macro according to claim 1, which is characterized in that the wireless test pencil packet
Include: signal acquisition terminal, from processor module, and with the slave wireless module being electrically connected from processor module；It is wherein described
Signal acquisition terminal is suitable for acquiring the electric signal at tested end, and electric signal is sent to from processor module, to obtain electric signal
Waveform and frequency data, then by being sent to host side and/or cloud from wireless module.
3. test pencil separate type multifunctional test macro according to claim 2, which is characterized in that the host side includes:
Main processor modules, main wireless module, memory module and human-computer interaction circle of the main electric connection being connected with the main processing block
Face；
Waveform and frequency data are received by main wireless module, and after being cached by memory module, then passes through human-computer interaction
The above-mentioned waveform of interface display and frequency data.
4. test pencil separate type multifunctional test macro according to claim 3, which is characterized in that the host side is equipped with outer
Portion's memory module, to be stored to waveform and frequency data.
5. test pencil separate type multifunctional test macro according to any one of claims 1 to 4, which is characterized in that the cloud
End is suitable for using OneNET cloud platform；The device numbering that this wireless test pencil is added in the OneNET cloud platform establishes connection pass
System, to receive the waveform and frequency data of wireless test pencil；And it after uploading waveform and frequency data, is shown by WEB page
Waveform and frequency data.
6. test pencil separate type multifunctional test macro according to claim 1, which is characterized in that set in the wireless test pencil
There are function signal generator circuit, the control terminal of the function signal generator circuit and the control output end from processor module
It is electrically connected；And the host side sends function signal control instruction by main wireless module；It is described logical from processor module
It crosses after receiving function signal control instruction from wireless module, control function signal generator circuit generates respective waveforms by line table
The signal acquisition terminal output of pen.
7. test pencil separate type multifunctional test macro according to claim 1, which is characterized in that set in the wireless test pencil
There is lithium battery power supply to manage circuit.
8. a kind of working method of test pencil separate type multifunctional test macro characterized by comprising wireless test pencil, host side
The cloud and/or；Wherein the wireless meter pen, which is suitable for that data will be acquired, is wirelessly transmitted to host side and/or cloud；The host side,
Cloud shows the acquisition data respectively.
9. working method according to claim 8, which is characterized in that the wireless test pencil includes: signal acquisition terminal, from
Manage device module, and with this from processor module be electrically connected slave wireless module；Wherein the signal acquisition terminal is suitable for acquisition
The electric signal at tested end, and electric signal is sent to from processor module, to obtain the waveform and frequency data of electric signal, then by
Host side and/or cloud are sent to from wireless module；And the host side includes: main processor modules, with the main process task mould
Main wireless module, memory module and the human-computer interaction interface of the connected main electric connection of block；Waveform is received by main wireless module
And frequency data, and after being cached by memory module, then above-mentioned waveform and frequency data shown by human-computer interaction interface.
10. working method according to claim 8 or claim 9, which is characterized in that the cloud is suitable for flat using OneNET cloud
Platform；
The device numbering that this wireless test pencil is added in the OneNET cloud platform, establishes a connection, to receive wireless test pencil
Waveform and frequency data；And after uploading waveform and frequency data, pass through WEB page display waveform and frequency data.
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Cited By (1)
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Application publication date: 20181218 |