A wireless human body temperature measurement tag based on RFID technology

Abstract

This invention discloses a wireless human body temperature measurement tag based on RFID technology for use in the field of temperature measurement devices. It highly integrates three major functional modules—RF excitation, local data processing, and remote transmission—into a single device—an RF transmitting base station. This enables long-distance, low-power monitoring, solving the pain point of short communication distance in purely passive RFID systems. Furthermore, the RFID temperature tag requires no battery, achieving extremely low maintenance costs throughout the system's lifecycle. Additionally, the introduction of an STM32 microcontroller chip at the base station for data preprocessing enables local data cleaning and verification, effectively filtering out invalid or erroneous data, reducing data redundancy and error rates transmitted to the cloud, and improving the overall system's data quality and transmission efficiency. Finally, a fixing unit is provided for the RFID temperature tag, allowing it to be fixed to clothing, enabling continuous long-term use and reducing the cost of using the RFID temperature tag.

Description

Technical Field

[0001] This invention relates to the field of temperature measuring devices, and in particular to a wireless human body temperature measuring tag based on RFID technology. Background Technology

[0002] RFID temperature tags are electronic identification devices used to monitor and record temperature changes in real time. They are mainly used in fields such as machinery temperature monitoring, cold chain transportation, power industry, and coal yard electrical equipment monitoring. They transmit data to a reader via radio frequency identification technology, enabling item tracking and visualized control of ambient temperature. They are available in various designs, including active and passive wireless.

[0003] The invention patent with publication number CN104966119B discloses a radio frequency identification (RFID) temperature tag, which is equipped with a thermoelectric generator, an RFID temperature sub-tag, a temperature sensing chip on the outside of the sub-tag, and a power management chip. It works by using the energy provided by the thermoelectric generator. Therefore, the energy acquisition cost of this invention is low and the reliability is high. In addition, with the help of the thermoelectric generator, the RFID temperature sub-tag and the power management chip are isolated from the heat-generating device, thereby avoiding direct contact with the heat-generating device and protecting the chip and components.

[0004] Patent application CN111947798A discloses an intelligent real-time wireless battery-free temperature monitoring device. By placing a wireless battery-free sensor inside a medicine bottle to measure the temperature of the medicine during the freeze-drying process, it achieves real-time wireless and accurate temperature monitoring during the pharmaceutical manufacturing process.

[0005] In the existing technology, wireless temperature measurement tags based on radio frequency technology are usually used for temperature detection in industrial production. They are generally powered by batteries to ensure the reliability of the wireless temperature tags. However, wireless temperature tags with integrated battery power are usually large in size, inconvenient to wear, and not suitable for use by the human body in daily life. Summary of the Invention

[0006] The core of this invention lies in miniaturizing the RFID temperature tag to solve the problems of inconvenience in wearing and disruption to users' daily lives in existing technologies. Simultaneously, by utilizing fixing and connecting units to secure the RFID temperature tag to clothing, it reduces user discomfort and minimizes the impact of daily activities on the tag's fixation, such as the effects of sweat from bathing or exercise. This allows for extended continuous use of the RFID temperature tag, reducing its operating costs.

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] A wireless human body temperature measurement tag based on RFID technology upgrades the existing short-range RFID reader into a "radio frequency transmission base station" that integrates remote communication capabilities. It highly integrates the three major functional modules of radio frequency excitation, local data processing and remote transmission into a single device, simplifying the system structure and realizing long-distance, low-power monitoring. Through the combination mode of "radio frequency excitation + WIoTa remote transmission", it solves the pain point of short communication distance of pure passive RFID systems. At the same time, the RFID temperature tag does not require batteries, achieving extremely low maintenance costs throughout the entire system life cycle.

[0009] Introducing an STM32 microcontroller chip for data preprocessing at the base station enables local data cleaning and verification, effectively filtering out invalid or erroneous data, reducing data redundancy and error rate during cloud transmission, and improving the overall data quality and transmission efficiency of the system.

[0010] Furthermore, the RFID temperature tag includes a tag body, a transition groove is chiseled at the lower end of the tag body, a pair of threaded grooves are chiseled in the inner groove plate of the transition groove, a fixing unit is fitted at the lower end of the tag body, and clothing is placed between the RFID temperature tag and the fixing unit. Each of the two threaded grooves is threaded with a matching connecting unit. The connecting unit includes a connecting post threadedly connected to the threaded groove, and an anchoring pin is fixedly connected to the end of the connecting post away from the threaded groove. The anchoring pin penetrates the clothing and is inserted into the fixing unit, thereby fixing the RFID temperature tag, which originally needed to be attached to the user's skin, to the clothing using the fixing unit and the connecting unit.

[0011] Furthermore, the RFID temperature tag also incorporates a pressure sensor, and the radio frequency transmission base station is equipped with a voice broadcast unit, making the RFID temperature tag fit more closely to the user's body when detecting temperature and reducing the influence of external factors on the detection results. Furthermore, the fixing unit includes a fixing plate, the lower end of which is fixedly connected to two rigid balls that are respectively matched with the positions of the two connecting units. The rigid balls have a stiffness greater than that of the anchor pins, and the anchor pins have a stiffness greater than that of the fixing plate, causing the anchor pins to change from a straight shape to a hook shape, thereby increasing the connection strength between the fixing unit and the rigid balls.

[0012] Furthermore, the fixing unit includes a fixing plate, with a positioning wing fixedly connected to one edge of the fixing plate near the RFID temperature tag. The positioning wing completely covers the RFID temperature tag and has a marking groove. The marking groove divides the fixing plate into two parts: a single side wall and three connected side walls. A pre-made groove is carved on the side wall of the single positioning wing, and a stress groove is carved on the side wall of the connecting column. This allows for the recycling and reuse of the most expensive RFID temperature tag, extending its service life. At the same time, it also firmly fixes the anchor pin inside the fixing unit, preventing users from being injured.

[0013] Furthermore, the depth of the stress groove on the side away from the anchor pin is less than the depth of the other end, and the depth surface of the other end of the stress groove is a vertical plane. Friction textures are provided on the vertical plane of the stress groove to facilitate the user to remove the remaining part of the connecting column from the RFID temperature tag later.

[0014] Furthermore, a protective block is inserted into the outer end of the anchor pin. The protective block and the stress groove are connected together by hot melt adhesive. The protective block can protect the anchor pin, making it less likely to puncture the user and the anchor pin is less likely to deform. The connecting post and the protective block connected by hot melt adhesive can be quickly separated.

[0015] Compared with the prior art, the advantages of this invention are: This solution highly integrates three major functional modules—RF excitation, local data processing, and remote transmission—into a single device: the RF transmitting base station. This enables long-distance, low-power monitoring, addressing the short communication distance limitation of purely passive RFID systems. Furthermore, the RFID temperature tags require no batteries, resulting in extremely low maintenance costs throughout the system's lifecycle. Additionally, the introduction of an STM32 microcontroller chip at the base station for data preprocessing allows for local data cleaning and verification, effectively filtering out invalid or erroneous data. This reduces data redundancy and error rates during cloud transmission, improving the overall system's data quality and transmission efficiency.

[0016] Setting up a fixing unit for RFID temperature tags and attaching them to clothing can reduce user discomfort and minimize the impact of daily life on the tag's fixation. This allows for long-term continuous use of the RFID temperature tags, reducing their operating costs. Furthermore, it enables the recycling and reuse of the most expensive RFID temperature tags, extending their lifespan. Additionally, it securely fixes the anchor pins within the fixing unit, preventing injury to the user. Attached Figure Description

[0017] Figure 1This is a simplified schematic diagram illustrating the system and operation of a wireless temperature measurement tag according to the first embodiment of the present invention. Figure 2 A simplified schematic diagram illustrating the system and operation of a wireless temperature measurement tag according to a second embodiment of the present invention; Figure 3 This is a schematic diagram of the RFID temperature tag and its associated structure according to the second embodiment of the present invention. Figure 4 This is a side sectional view of the RFID temperature tag and its associated structure according to the second embodiment of the present invention; Figure 5 This is a bottom view of the RFID temperature tag according to the second embodiment of the present invention; Figure 6 This is a bottom view of the fixing unit according to the second embodiment of the present invention; Figure 7 This is a top view of the fixing unit according to the second embodiment of the present invention; Figure 8 This is a schematic diagram of the connection unit according to the second embodiment of the present invention; Figure 9 This is a side sectional view of the connecting unit according to the second embodiment of the present invention; Figure 10 This is a schematic diagram illustrating the structural changes in the installation of the RFID temperature tag and its associated structures according to the second embodiment of the present invention.

[0018] Explanation of the labels in the diagram: 1 RFID temperature tag, 101 tag body, 102 transition groove, 103 threaded groove, 2 fixing unit, 201 fixing plate, 202 positioning wing, 203 marking groove, 204 prefabricated groove, 3 clothing, 4 connecting unit, 401 connecting column, 402 stress groove, 403 anchor pin, 404 protective block, 5 hard ball. Detailed Implementation

[0019] The technical solutions will now be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention.

[0020] First implementation method: Please see Figure 1 A wireless human body temperature measurement tag based on RFID technology includes an RFID temperature tag 1. The RFID temperature tag 1 is signal-connected to an RF transmitting base station. The RF transmitting base station includes an RFID read / write chip, an STM32 microcontroller chip, and a WIoTa transmission chip. The WIoTa transmission chip is signal-connected to a local receiver. The local receiver is signal-connected to a storage server. The storage server includes one or two of a local server and a cloud server. The RFID temperature tag 1 is equipped with an RF energy harvesting circuit, a temperature sensor, and a tag chip. Under the control of the STM32 microcontroller chip, the RFID reader chip periodically emits radio frequency energy signals into the surrounding space. When the RFID temperature tag 1 enters the effective range of the RFID reader chip's radio frequency field, the radio frequency energy harvesting circuit inside the RFID temperature tag 1 is activated, and the temperature sensor and tag chip are started. The temperature sensor transmits the detected temperature to the tag chip, which integrates it into the original temperature signal and transmits the signal back to the RFID reader chip through backscatter modulation technology.

[0021] After receiving the radio frequency feedback signal containing temperature information returned by the RFID temperature tag 1, the RFID reader chip demodulates the signal into raw temperature data and transmits it to the STM32 microcontroller chip. The STM32 microcontroller chip performs preprocessing on the received raw temperature data, such as verification, filtering, and unit conversion, to obtain processed temperature data. Subsequently, the STM32 microcontroller chip packages the processed temperature data and sends it to the WIoTa transmission chip through the serial communication interface.

[0022] The WIoTa transmission chip transmits the processed temperature data to the local receiver (AP) in the form of a wireless signal through its built-in communication protocol stack. When the local receiver receives the signal, it transmits the data to the local server or cloud server through a serial port or network interface to complete the final data reporting.

[0023] Among them, the RFID read / write chip serves as a radio frequency signal source, used to transmit radio frequency signals of a specific frequency, wirelessly providing energy to the RFID temperature tag 1 and establishing a communication link. The STM32 microcontroller chip serves as the main control and data processing unit, and is bidirectionally connected to the RFID read / write chip and the WIoTa transmission chip. WIoTa transmission chip: As a remote communication module, it is responsible for sending the data processed by the STM32 microcontroller chip to the network through the WIoTa communication protocol; Radio frequency energy harvesting circuit: used to capture the radio frequency energy emitted by the radio frequency transmitting base station and convert it into DC power to power the internal structure of RFID temperature tag 1; Temperature sensor: used to sense the temperature of the human body; Tag chip: It integrates memory and logic control unit. After receiving the radio frequency energy signal emitted by the RFID read / write chip, it reads the data of the temperature sensor and loads the temperature information onto the reflected echo through backscatter modulation technology, which is then sent to the radio frequency transmitting base station and received by the RFID read / write chip.

[0024] In this embodiment, the existing short-range RFID reader is upgraded to an "RF transmission base station" that integrates remote communication capabilities. The three major functional modules of RF excitation, local data processing and remote transmission are highly integrated into a single device, simplifying the system structure and realizing long-distance, low-power monitoring. By combining the "RF excitation to power the tag + WIoTa remote transmission to return data" mode, the pain point of short communication distance in pure passive RFID systems is solved. At the same time, the RFID temperature tag 1 does not require a battery, achieving extremely low maintenance costs throughout the entire system life cycle.

[0025] By introducing an STM32 microcontroller chip for data preprocessing at the base station, data cleaning and verification can be completed locally, effectively filtering out invalid or erroneous data, reducing data redundancy and error rate transmitted to the cloud, and improving the data quality and transmission efficiency of the entire system. The application of the WIoTa transmission chip enables the RF transmitting base station and RFID temperature tag 1 of this embodiment to be deployed anywhere covered by cellular network signals, making it suitable for large-scale, multi-point temperature monitoring scenarios such as hospitals, schools, and shopping malls.

[0026] Furthermore, in this embodiment, the RFID temperature tag 1 is miniaturized by removing the power supply battery, thus solving the problem of inconvenience in wearing and affecting the user's normal daily life in the prior art.

[0027] It can be applied to the user's skin in a manner similar to a band-aid, improving the user's wearing comfort and the convenience of being disposable after use.

[0028] Second implementation method: Please see Figure 3 - Figure 9 Based on the first embodiment of the RFID technology for human body wireless temperature measurement tag, a specific structure and wearing and fixing scheme of the wireless temperature measurement tag are designed. The RFID temperature tag 1 includes a tag body 101. A transition groove 102 is chiseled at the lower end of the tag body 101. A pair of threaded grooves 103 are chiseled on the inner groove plate of the transition groove 102. A fixing unit 2 is sleeved on the lower end of the tag body 101. Clothing 3 is placed between the RFID temperature tag 1 and the fixing unit 2. A matching connecting unit 4 is threaded into each of the two threaded grooves 103. The connecting unit 4 includes a connecting post 401 threadedly connected to the threaded groove 103. An anchoring pin 403 is fixedly connected to the end of the connecting post 401 away from the threaded groove 103. The anchoring pin 403 penetrates the clothing 3 and is inserted into the fixing unit 2.

[0029] In this embodiment, the RFID temperature tag 1, which originally needed to be attached to the user's skin, is fixed to the clothing 3 using the fixing unit 2 and the connecting unit 4. This reduces the user's discomfort while wearing the tag and also reduces the impact of the user's daily life on the fixing of the RFID temperature tag, allowing the RFID temperature tag 1 to be used continuously for a long time and reducing the cost of using the RFID temperature tag 1.

[0030] The RFID temperature tag 1 and the fixing unit 2 can be fixed to clothing 3 on the inner side of the upper arm, chest, armpit, and shoulder. The inner side of the upper arm is preferred because it has abundant subcutaneous blood vessels, stable temperature, good concealment, and is not easily affected by daily life and exercise.

[0031] While the chest area can effectively monitor core body temperature changes and reflect temperature trends quickly, it is close to the heart area, where physiological activities and electromagnetic environments are complex, resulting in significant interference with the RFID temperature tag. Furthermore, it is not user-friendly for female users and requires special clothing design.

[0032] Although the armpit is the closest to core body temperature and is a clinically validated standard location on the body surface, limb movement and body structure strongly shield RFID signals. At the same time, the skin under the armpit is uneven and sweaty, so it is necessary to solve the problems of breathability, sweat prevention, and stable fit.

[0033] Wearing the device on the shoulder is the most convenient, as it provides a good signal transmission path and makes the signal easy to read. However, its location is far from the core area of ​​human body temperature monitoring and is easily affected by ambient temperature.

[0034] The RFID temperature tag 1 also incorporates a pressure sensor, and the radio frequency transmitting base station is equipped with a voice broadcast unit. After receiving a radio frequency energy signal, the radio frequency energy acquisition circuit of the RFID temperature tag 1 activates the temperature sensor, pressure sensor, and tag chip. Taking wearing it on the inside of the upper arm as an example, the user clamps their arm so that the surface of the RFID temperature tag 1 is in close contact with the inside of the user's upper arm. At this time, the pressure sensor detects the corresponding pressure. When the data detected by the pressure sensor meets the standard, the temperature sensor performs temperature detection. When the pressure detection data does not meet the standard, the voice broadcast unit reminds the user that the detection posture is not standard, so that the user can correct the posture for measurement. This makes the RFID temperature tag 1 fit the user's body better when detecting temperature, reducing the influence of external factors on the detection results.

[0035] The fixing unit 2 includes a fixing plate 201. Two rigid balls 5, each matching the position of a connecting unit 4, are fixedly connected to the lower end of the fixing plate 201. The rigid balls 5 have a stiffness greater than that of the anchor pins 403, and the anchor pins 403 have a stiffness greater than that of the fixing plate 201. (See also...) Figure 10During the process of inserting the anchor pin 403 into the fixing unit 2, after the anchor pin 403 comes into contact with the hard ball 5, it will deform under the action of the hard ball 5, so that the anchor pin 403 changes from a straight shape to a hook shape, which increases the connection strength between the fixing unit 2 and the hard ball 5, making the connection between the RFID temperature tag 1 and the fixing unit 2 more secure and less prone to failure, and the RFID temperature tag 1 and the fixing unit 2 less likely to fall off.

[0036] A positioning wing 202 is fixedly connected to one edge of the fixing plate 201 near the RFID temperature tag 1. The positioning wing 202 completely covers the RFID temperature tag 1. A marking groove 203 is carved on the positioning wing 202, dividing the fixing plate 201 into two parts: one with a single side wall and the other with three connected side walls. A pre-made groove 204 is carved on the side wall of the single positioning wing 202, and a stress groove 402 is carved on the side wall of the connecting column 401. When it is necessary to remove the RFID temperature tag 1 and the fixing unit 2 from the clothing 3, the fixing unit 2 can be pushed from the side wall of the single positioning wing 202 toward the RFID temperature tag 1, so that the fixing unit 2... The RFID temperature tag 1 breaks along the direction of the prefabricated groove 204, and the fixing unit 2 is pushed further, causing the connecting post 401 to break along the position of the stress groove 402. The RFID temperature tag 1 is separated from the fixing unit 2, completing the disassembly of the RFID temperature tag 1 and the fixing unit 2. Then, the remnant of the connecting post 401 is taken out from the RFID temperature tag 1, and a new connecting unit 4 is installed. After cooperating with the new fixing unit 2, the RFID temperature tag 1 can be fixed to other clothes, while the anchoring pin 403 is fixed in the fixing unit 2. The curved stress groove 402 makes it difficult for the remnant of the connecting post 401 fixed in the fixing unit 2 to fall off, and the anchoring pin 403 is unlikely to puncture the user.

[0037] The most expensive RFID temperature tag 1 is recycled and reused, extending its service life. At the same time, the anchor pin 403 is firmly fixed in the fixing unit 2 to prevent users from being injured.

[0038] The depth of the stress groove 402 on the side away from the anchor pin 403 is shallower than the depth of the other end. The depth surface of the other end of the stress groove 402 is a vertical plane. Friction texture is formed on the vertical plane of the stress groove 402. The design of the depth of the stress groove 402 makes it easy for the connecting post 401 to break at the end of the stress groove 402 near the anchor pin 403 when the RFID temperature tag 1 is separated from the fixing unit 2. This makes the remnant of the connecting post 401 left on the RFID temperature tag 1 include the vertical plane part, which makes it easier for the user to remove the remnant of the connecting post 401 from the RFID temperature tag 1 later.

[0039] An anchor pin 403 has a protective block 404 inserted at its outer end. The protective block 404 and the stress groove 402 are connected together by hot melt adhesive. When the connecting unit 4 is stored, the protective block 404 can protect the anchor pin 403, making it less likely to puncture the user. The anchor pin 403 is also less likely to deform, making it less likely to affect the connection between the RFID temperature tag 1 and the fixing unit 2. The connecting post 401 and the protective block 404 connected by hot melt adhesive can be quickly separated.

[0040] Compared to the first implementation, this implementation provides a fixing unit 2 for the RFID temperature tag 1, fixing the RFID temperature tag 1 to the clothing 3. This reduces the user's discomfort and minimizes the impact of sweat from daily activities such as bathing and exercise on the fixing of the RFID temperature tag 1, allowing the RFID temperature tag 1 to be used continuously for a long time, reducing the cost of using the RFID temperature tag 1. At the same time, the most expensive wireless temperature tag, the RFID temperature tag 1, can be recycled and reused, extending its service life. Additionally, the anchor pin 403 is firmly fixed in the fixing unit 2, preventing injury to the user.

[0041] The above description is merely a preferred embodiment of the present invention; it encompasses all the protection scope of the present invention. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in the present invention, based on the technical solutions and improved concepts of the present invention, should be covered within the protection scope of the present invention.

Claims

1. A wireless human body temperature measurement tag based on RFID technology, comprising an RFID temperature tag (1), characterized in that: The RFID temperature tag (1) is connected to a radio frequency transmitting base station. The radio frequency transmitting base station includes an RFID read / write chip, an STM32 microcontroller chip, and a WIoTa transmission chip. The WIoTa transmission chip is connected to a local receiver. The local receiver is connected to a storage server. The storage server includes one or two of a local server and a cloud server. The RFID temperature tag (1) is equipped with a radio frequency energy harvesting circuit, a temperature sensor, and a tag chip.

2. The wireless human body temperature measurement tag based on RFID technology according to claim 1, characterized in that: The STM32 microcontroller chip is bidirectionally connected to the RFID reader / writer chip and the WIoTa transmission chip.

3. The wireless human body temperature measurement tag based on RFID technology according to claim 1, characterized in that: The RFID temperature tag (1) includes a tag body (101), a transition groove (102) is chiseled at the lower end of the tag body (101), a pair of threaded grooves (103) are chiseled on the inner groove plate of the transition groove (102), a fixing unit (2) is sleeved on the lower end of the tag body (101), and clothing (3) is placed between the RFID temperature tag (1) and the fixing unit (2). Each of the two threaded grooves (103) is threaded with a matching connecting unit (4). The connecting unit (4) includes a connecting post (401) threadedly connected to the threaded groove (103). An anchor pin (403) is fixedly connected to one end of the connecting post (401) away from the threaded groove (103). The anchor pin (403) penetrates the clothing (3) and is inserted into the fixing unit (2).

4. The wireless human body temperature measurement tag based on RFID technology according to claim 1, characterized in that: The RFID temperature tag (1) is also equipped with a pressure sensor, and the radio frequency transmitting base station is also equipped with a voice broadcasting unit.

5. A wireless human body temperature measurement tag based on RFID technology according to claim 3, characterized in that: The fixing unit (2) includes a fixing plate (201). The lower end of the fixing plate (201) is fixedly connected to two hard balls (5) that are respectively matched with the positions of the two connecting units (4). The stiffness of the hard balls (5) is greater than that of the anchor pin (403), and the stiffness of the anchor pin (403) is greater than that of the fixing plate (201).

6. A wireless human body temperature measurement tag based on RFID technology according to claim 5, characterized in that: The fixing plate (201) is fixedly connected to a positioning wing (202) at one end edge near the RFID temperature tag (1). The positioning wing (202) completely covers the RFID temperature tag (1). A marking groove (203) is chiseled on the positioning wing (202). The marking groove (203) divides the fixing plate (201) into two parts: a single side wall and three connected side walls. A prefabricated groove (204) is chiseled on the side wall of the single positioning wing (202). A stress groove (402) is chiseled on the side wall of the connecting column (401).

7. A wireless human body temperature measurement tag based on RFID technology according to claim 6, characterized in that: The depth of the stress groove (402) on the side away from the anchor pin (403) is shallower than the depth of the other end. The depth surface of the other end of the stress groove (402) is a vertical plane, and friction textures are formed on the vertical plane of the stress groove (402).

8. A wireless human body temperature measurement tag based on RFID technology according to claim 2, characterized in that: The outer end of the anchor pin (403) is provided with a protective block (404), and the protective block (404) and the stress groove (402) are connected by hot melt adhesive.

9. A wireless human body temperature measurement tag based on RFID technology according to claim 1, characterized in that: Its usage method includes the following steps: Under the control of the STM32 microcontroller chip, the RFID read / write chip periodically emits radio frequency energy signals to the surrounding space. When the RFID temperature tag (1) enters the effective range of the RFID read / write chip's radio frequency field, the radio frequency energy acquisition circuit in the RFID temperature tag (1) is activated, and the temperature sensor and tag chip are started. The temperature sensor transmits the detected temperature to the tag chip, which integrates it into the original temperature signal and transmits the signal back to the RFID read / write chip through backscatter modulation technology. After receiving the radio frequency feedback signal containing temperature information returned from the RFID temperature tag (1), the RFID read / write chip demodulates the signal into raw temperature data and transmits it to the STM32 microcontroller chip. The STM32 microcontroller chip preprocesses the received raw temperature data and packages the preprocessed temperature data and sends it to the WIoTa transmission chip through the serial communication interface. The WIoTa transmission chip transmits the processed temperature data to the local receiver in the form of a wireless signal through its built-in communication protocol stack. When the local receiver receives the signal, it transmits the data to the local server or cloud server through a serial port or network interface to complete the final data reporting.

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