IPL therapeutic instrument hand tool capable of monitoring skin temperature in real time

Abstract

The utility model provides an IPL therapeutic instrument hand tool capable of monitoring skin temperature in real time. The IPL therapeutic instrument hand tool comprises a therapeutic hand tool, a light guide crystal, a therapeutic hand tool control unit and a skin temperature acquisition unit, a real-time skin temperature signal acquired by an infrared imaging module in the skin temperature acquisition unit is transmitted to a micro-control module in the treatment hand tool control unit by utilizing a temperature measurement technology, and then the skin temperature signal is transmitted to a host by the micro-control module to be stored and displayed; an operator evaluates whether the treatment process is effective or not according to the skin temperature, and if the skin temperature is lower than the safe temperature, the output energy of the intense pulsed light is increased; if the skin temperature is higher than the safe temperature, the output energy of the intense pulsed light is reduced. In conclusion, through real-time acquisition and display of the skin temperature, timely and accurate evaluation is provided for the treatment process of an operator.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the strong pulse light treatment equipment technical field especially, it is a kind of IPL treatment instrument hand tool of real-time monitoring skin temperature. BACKGROUND

[0002] IPL (Intense Pulsed Light) treatment instrument belongs to the skin disease treatment equipment commonly used in cosmetic medical industry, it uses high-power xenon lamp tube as pulse irradiation light source, and the light source selects specific wavelength light after filter sheet, and treatment is carried out by the way of instantaneous irradiation to treatment site.IPL (Intense Pulsed Light) treatment instrument is divided into host computer+ treatment hand tool two parts, and the treatment hand tool in it is mainly used to complete the wavelength selection and excitation of treatment light.The target tissue in skin has selective absorption function to specific wavelength light, when the wavelength of light is in the spectral range of 500nm~1200nm, target tissue will selectively absorb the energy in light, so as to cause the local skin to show point-shaped temperature rise.High temperature will make the protein in target tissue coagulate, carbonize or vaporize, and heat is conducted to the surrounding of target cell, so that target cell is decomposed into debris or particles and is phagocytosed by macrophages in immune system and excluded from the body to be removed, so that skin is remodeled.

[0003] As known from the above, skin temperature is an important parameter for evaluating the treatment effect of IPL (Intense Pulsed Light) treatment instrument, but the treatment hand tool of existing IPL (Intense Pulsed Light) treatment instrument on the market does not have the function of real-time measurement of skin temperature, especially subcutaneous temperature, so that the treatment effect in treatment process cannot be evaluated timely and accurately. UTILITY MODEL CONTENT

[0004] To solve the shortcomings and deficiencies of prior art, provide a kind of IPL treatment instrument hand tool of real-time monitoring skin temperature, so as to solve the problem that the treatment hand tool of existing IPL (Intense Pulsed Light) treatment instrument does not have the function of real-time measurement of subcutaneous temperature.

[0005] To achieve the purpose of the utility model and provide a kind of IPL treatment instrument hand tool of real-time monitoring skin temperature, including hand tool, for the selection and excitation of treatment light wavelength, characterized by: the contact surface of the hand tool and skin is provided with light guide crystal, the position of the hand tool is provided with skin temperature acquisition unit opposite light guide crystal, so as to collect the temperature information of skin through light guide crystal, the handle of the hand tool is provided with treatment hand tool control unit, the treatment hand tool control unit is communicated with skin temperature acquisition unit, to realize the transmission of skin temperature signal, the treatment hand tool control unit is communicated with the control unit of host computer, to realize the real-time display of skin temperature condition.

[0006] As a further improvement of the above-mentioned scheme, the treatment hand tool control unit comprises a micro control module and a power module, the skin temperature acquisition unit comprises an infrared imaging module and a power conversion module, the power module is connected with the micro control module and the power conversion module to realize power supply, the power conversion module is connected with the infrared imaging module to continuously deliver the converted voltage to the infrared imaging module, the infrared imaging module is in communication with the micro control module to realize the transmission of the skin temperature signal, and the micro control module is in communication with the control unit of the host computer to realize the real-time display of the skin temperature condition.

[0007] As a further improvement of the above-mentioned scheme, the infrared imaging module comprises a chip U1, a socket P1, resistance wires R1-R5 and capacitors C1-C3, pin 2 of the chip U1 is connected with SDA, one end of the resistance wire R4, pin 3 is connected with SCL, one end of the resistance wire R3, pin 4 is connected with INT, one end of the resistance wire R2, pin 5 is connected with A0, one end of the resistance wire R1, pin 6 is grounded, pin 9 is connected with one end of the capacitors C1-C2 and the 3.3V power supply, pin 10 is connected with one end of the capacitor C3, pin 12 is connected with one end of the capacitor C4, pin 13 is connected with the 3.3V power supply, the other ends of the resistance wires R1-R4 are connected with the 3.3V power supply, the other ends of the capacitors C1-C2 and C4 are grounded, one end of the resistance wire R5 is connected with the other end of the capacitor C3, and the other end of the resistance wire R5 is grounded; pins 1-4 of the socket P1 are respectively connected with A0, INT, SDA and SCL, pin 5 is grounded, and pin 6 is connected with the 5V power supply; wherein the infrared imaging module is a key component for measuring the skin temperature, and the working voltage thereof is 3.3V, which is provided by the power conversion module.

[0008] As a further improvement of the above-mentioned scheme, the power conversion module comprises a voltage stabilizing power module PW1, a socket P2, a fuse F1, a transient voltage suppressor TVS1, polar capacitors CP1-CP3, capacitors C5-C6, a resistor R6 and a light emitting diode LED1, pin 1 of the voltage stabilizing power module PW1 is connected with one end of the capacitor C5, one end of the fuse F1, the positive poles of the polar capacitors CP1-CP2 and the 5V power supply, pin 2 is connected with the other end of the capacitor C5, the negative poles of the polar capacitors CP1-CP2, one end of the transient voltage suppressor TVS1 and pin 2 of the socket P2 and then grounded, pin 3 is connected with the negative pole of the polar capacitor CP3, one end of the capacitor C6 and the negative pole of the light emitting diode LED1 and then grounded, pin 4 is connected with the positive pole of the polar capacitor CP3, the other end of the capacitor C6, one end of the resistor R6 and the 3.3V power supply, the other end of the fuse F1 is connected with the other end of the transient voltage suppressor TVS1 and pin 1 of the socket P2, and the other end of the resistor R6 is connected with the positive pole of the light emitting diode LED1.

[0009] As a further improvement of the above scheme, the power module comprises chip U3, voltage stabilizing power module PW2, socket P5, transient suppression diode TVS2-TVS3, fuse F2, diode D1, capacitor C10-C12, polarized capacitor CP5-CP8, resistor R9, light emitting diode LED2, pin 1 of the chip U3 is connected with one end of capacitor C12, positive pole of polarized capacitor CP7 and 12V power supply, pin 2 is grounded, pin 3 is connected with positive pole of polarized capacitor CP8, one end of transient suppression diode TVS3 and 5V power supply, the other end of capacitor C12, negative poles of polarized capacitor CP7-CP8 and transient suppression diode TVS3 are grounded; pin 1 of the voltage stabilizing power module PW2 is connected with one end of capacitor C10, positive poles of polarized capacitor CP4-CP5, negative pole of diode D1 and 12V power supply, pin 2 is connected with the other end of capacitor C10, negative poles of polarized capacitor CP4-CP5, one end of transient suppression diode TVS2 and pin 1 of socket P5 and then grounded, pin 3 is connected with negative pole of polarized capacitor CP6, one end of capacitor C11 and negative pole of light emitting diode LED2 and then grounded, pin 4 is connected with positive pole of polarized capacitor CP6, the other end of capacitor C11, one end of resistor R9 and 3.3V power supply, positive pole of diode D1 is connected with one end of fuse F2, the other end of fuse F2 is connected with the other end of transient suppression diode TVS2, pin 2 of socket P5 and 13V power supply, the other end of resistor R9 is connected with positive pole of light emitting diode LED2.

[0010] As a further improvement of the above scheme, the micro control module comprises the chip U2, the socket P3-P4, the socket COMM, the crystal oscillator Y1, the capacitors C7-C9, the resistors R7-R8, the pins 8-9, 16-17, 46, 49, 61-62 of the chip U2 are connected with INT, A0, TX2, RX2, SWCLK, SWDIO, SCL, SDA respectively, the pin 5 is connected with OSCIN, the pin 2 of the crystal oscillator Y1 and one end of the capacitor C7, the pin 6 is connected with OSCOUT, the pin 1 of the crystal oscillator Y1 and one end of the capacitor C8, the pin 7 is connected with NRST, one end of the resistor R7 and one end of the capacitor C9, the pin 1 is connected with one end of the resistor R8, the pins 13, 19, 32, 48, 64 are connected with 3.3V power supply, the pins 12, 18, 31, 47, 60, 63 are grounded, the other end of the capacitors C7-C8 is grounded, the other end of the resistor R7 is connected with 3.3V power supply, the other end of the capacitor C9 is grounded, and the other end of the resistor R8 is connected with 3.3V power supply; the pin 1 of the socket P3 is grounded, the pins 2-3 are connected with SWCLK, SWDIO, the pin 4 is connected with 3.3V power supply; the pins 2-3 of the socket COMM are connected with TX2, RX2 respectively, and the pin 4 is grounded; the pins 1-4 of the socket P4 are connected with A0, INT, SDA, SCL respectively, the pin 5 is grounded, and the pin 6 is connected with 5V power supply; wherein the chip U2 reads the skin temperature signal collected by the infrared imaging module and processes and calculates, and then sends the processed and calculated signal to the host computer for saving and displaying.

[0011] The device has the advantages that:

[0012] Compared with the prior art, the IPL treatment instrument hand tool for monitoring skin temperature in real time provided by the utility model utilizes temperature measurement technology to transmit the collected real-time skin temperature signal to the micro control module in the treatment hand tool control unit through the infrared imaging module in the skin temperature acquisition unit, and then the micro control module transmits the skin temperature signal to the host computer for saving and displaying, the operator evaluates whether the treatment process is effective by the skin temperature, if the skin temperature is lower than the safe temperature, the strong pulsed light output energy is increased, and if the skin temperature is higher than the safe temperature, the strong pulsed light output energy is reduced.

[0013] In summary, the device provides timely and accurate evaluation for the treatment process of the operator through real-time collection and display of the skin temperature. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model discloses a structure schematic drawing;

[0015] Figure 2It is the connection schematic view of the treatment hand tool control unit and the skin temperature acquisition unit in the utility model.

[0016] Figure 3 It is the circuit connection schematic view of the infrared imaging module in the utility model.

[0017] Figure 4 It is the circuit connection schematic view of the power conversion module in the utility model.

[0018] Figure 5 It is the circuit connection schematic view of the power module in the utility model.

[0019] Figure 6 It is the circuit connection schematic view of the micro control module in the utility model.

[0020] Wherein, 1-treatment hand tool;2-light guide crystal;3-treatment hand tool control unit;4-skin temperature acquisition unit. Specific implementation

[0021] The specific implementation of the utility model is further explained in detail in combination with the drawings as follows:

[0022] According to Figure 1 The utility model provides a kind of IPL treatment instrument hand tool for real-time monitoring skin temperature, including hand tool 1, for the selection and excitation of treatment light wavelength, the contact surface of hand tool 1 with skin is provided with light guide crystal 2, the position of hand tool 1 is provided with skin temperature acquisition unit 4 opposite light guide crystal 2, to gather the temperature information of skin across light guide crystal 2, handle of hand tool 1 is provided with treatment hand tool control unit 3, treatment hand tool control unit 3 is communicated with skin temperature acquisition unit 4, to realize the transmission of skin temperature signal, the control unit of the treatment hand tool control unit 3 is communicated with host computer, to realize the real-time display of skin temperature condition.

[0023] According to Figure 2 Wherein, treatment hand tool control unit 3 includes micro control module and power module, skin temperature acquisition unit 4 includes infrared imaging module and power conversion module, power module is connected with micro control module, power conversion module, to realize power supply, power conversion module is connected with infrared imaging module, to continuously deliver the power after conversion voltage to infrared imaging module, infrared imaging module is communicated with micro control module, to realize the transmission of skin temperature signal, the control unit of the micro control module is communicated with host computer, to realize the real-time display of skin temperature condition.

[0024] According to Figure 3As shown, the infrared imaging module includes chip U1, socket P1, resistance wire R1-R5 and capacitor C1-C3, the pin 2 of the chip U1 is connected with SDA, one end of the resistance wire R4, the pin 3 is connected with SCL, one end of the resistance wire R3, the pin 4 is connected with INT, one end of the resistance wire R2, the pin 5 is connected with A0, one end of the resistance wire R1, the pin 6 is grounded, the pin 9 is connected with one end of the capacitor C1-C2 and 3.3V power supply, the pin 10 is connected with one end of the capacitor C3, the pin 12 is connected with one end of the capacitor C4, the pin 13 is connected with 3.3V power supply, the other end of the resistance wire R1-R4 is connected with 3.3V power supply, the other end of the capacitor C1-C2 and C4 is grounded, the other end of the capacitor C3 is connected with one end of the resistance wire R5, the other end of the resistance wire R5 is grounded; the pin 1-4 of the socket P1 is respectively connected with A0, INT, SDA and SCL, the pin 5 is grounded, and the pin 6 is connected with 5V power supply.

[0025] According to Figure 4 As shown, the power conversion module includes voltage stabilizing power module PW1, socket P2, fuse F1, transient voltage suppressor TVS1, polarized capacitor CP1-CP3, capacitor C5-C6, resistance R6 and light emitting diode LED1, the pin 1 of the voltage stabilizing power module PW1 is connected with one end of the capacitor C5, one end of the fuse F1, the positive pole of the polarized capacitor CP1-CP2 and 5V power supply, the pin 2 is connected with the other end of the capacitor C5, the negative pole of the polarized capacitor CP1-CP2, one end of the transient voltage suppressor TVS1 and the pin 2 of the socket P2 and then grounded, the pin 3 is connected with the negative pole of the polarized capacitor CP3, one end of the capacitor C6 and the negative pole of the light emitting diode LED1 and then grounded, the pin 4 is connected with the positive pole of the polarized capacitor CP3, the other end of the capacitor C6, one end of the resistance R6 and 3.3V power supply, the other end of the fuse F1 is connected with the other end of the transient voltage suppressor TVS1 and the pin 1 of the socket P2, the other end of the resistance R6 is connected with the positive pole of the light emitting diode LED1.

[0026] According to Figure 5As shown, the power module includes chip U3, voltage stabilizing power module PW2, socket P5, transient suppression diode TVS2-TVS3, fuse F2, diode D1, capacitor C10-C12, polarized capacitor CP5-CP8, resistor R9, light emitting diode LED2, pin 1 of the chip U3 is connected with one end of capacitor C12, positive pole of polarized capacitor CP7, 12V power supply, pin 2 is grounded, pin 3 is connected with positive pole of polarized capacitor CP8, one end of transient suppression diode TVS3, 5V power supply, the other end of capacitor C12, negative poles of polarized capacitor CP7-CP8, transient suppression diode TVS3 are grounded; pin 1 of the voltage stabilizing power module PW2 is connected with one end of capacitor C10, positive poles of polarized capacitor CP4-CP5, negative pole of diode D1, 12V power supply, pin 2 is connected with the other end of capacitor C10, negative poles of polarized capacitor CP4-CP5, one end of transient suppression diode TVS2, pin 1 of socket P5, and then grounded, pin 3 is connected with negative pole of polarized capacitor CP6, one end of capacitor C11, negative pole of light emitting diode LED2, and then grounded, pin 4 is connected with positive pole of polarized capacitor CP6, the other end of capacitor C11, one end of resistor R9, 3.3V power supply, positive pole of diode D1 is connected with one end of fuse F2, the other end of fuse F2 is connected with the other end of transient suppression diode TVS2, pin 2 of socket P5, 13V power supply, the other end of resistor R9 is connected with positive pole of light emitting diode LED2.

[0027] According to Figure 6As shown, the microcontroller module includes chip U2, sockets P3-P4, socket COMM, crystal oscillator Y1, capacitors C7-C9, and resistors R7-R8. Pins 8-9, 16-17, 46, 49, and 61-62 of chip U2 are connected to INT, A0, TX2, RX2, SWCLK, SWDIO, SCL, and SDA respectively. Pin 5 is connected to OSCIN, pin 2 of crystal oscillator Y1, and one end of capacitor C7. Pin 6 is connected to OSCOUT, pin 1 of crystal oscillator Y1, and one end of capacitor C8. Pin 7 is connected to NRST, one end of resistor R7, and one end of capacitor C9. Pin 1 is connected to one end of resistor R8. Pins 13, 19, 32, and 48... All 64 are connected to a 3.3V power supply. Pins 12, 18, 31, 47, 60, and 63 are grounded. The other end of capacitors C7-C8 is grounded. The other end of resistor R7 is connected to a 3.3V power supply. The other end of capacitor C9 is grounded. The other end of resistor R8 is connected to a 3.3V power supply. Pin 1 of socket P3 is grounded. Pins 2-3 are connected to SWCLK and SWDIO. Pin 4 is connected to a 3.3V power supply. Pins 2-3 of socket COMM are connected to TX2 and RX2 respectively. Pin 4 is grounded. Pins 1-4 of socket P4 are connected to A0, INT, SDA, and SCL respectively. Pin 5 is grounded. Pin 6 is connected to a 5V power supply.

[0028] In the above embodiments, chip U2 is model STM32F103RBT6; chip U3 is model LM7805; and the voltage regulator modules PW1-PW2 are model IB0503.

[0029] This invention provides an IPL (Intense Pulsed Light) therapy handpiece for real-time skin temperature monitoring, the operation process and principle of which are as follows:

[0030] After being irradiated with intense pulsed light, the skin temperature rises from the epidermis to the subcutaneous tissue. The infrared imaging module in the skin temperature acquisition unit uses temperature measurement technology to quantify the skin temperature and obtain an accurate skin temperature signal. The acquired real-time skin temperature signal is then transmitted to the microcontroller module in the treatment handpiece control unit. Finally, the microcontroller module transmits the skin temperature signal to the host for storage and display, allowing the host to see the changes in skin temperature. The operator assesses the effectiveness of the treatment by monitoring the skin temperature. If the skin temperature is below the safe temperature, the output energy of the intense pulsed light is increased; if the skin temperature is above the safe temperature, the output energy of the intense pulsed light is decreased.

[0031] The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments can be combined with each other to form new embodiments. The above embodiments are only used to illustrate the technical solutions of the utility model and not to limit them, and any modification or equivalent replacement without departing from the spirit and scope of the utility model should be covered in the scope of the technical solutions of the utility model.

Claims

1. A handpiece for real-time monitoring of skin temperature in an IPL therapy device, comprising a handpiece (1) for selecting and exciting the wavelength of the therapeutic light, characterized in that: The handpiece (1) has a light guide crystal (2) on its contact surface with the skin. A skin temperature acquisition unit (4) is located inside the handpiece (1) opposite the light guide crystal (2) to collect skin temperature information through the light guide crystal (2). A treatment handpiece control unit (3) is located at the handle of the handpiece (1). The treatment handpiece control unit (3) is connected to the skin temperature acquisition unit (4) to realize the transmission of skin temperature signals. The treatment handpiece control unit (3) is connected to the control unit of the host computer to realize the real-time display of skin temperature.

2. The IPL therapy handpiece for real-time monitoring of skin temperature according to claim 1, characterized in that: The treatment handpiece control unit (3) includes a microcontroller module and a power supply module. The skin temperature acquisition unit (4) includes an infrared imaging module and a power conversion module. The power supply module is connected to the microcontroller module and the power conversion module to provide power. The power conversion module is connected to the infrared imaging module to continuously supply the converted voltage power to the infrared imaging module. The infrared imaging module is connected to the microcontroller module to transmit the skin temperature signal. The microcontroller module is connected to the control unit of the host to display the skin temperature in real time.

3. The IPL therapy handpiece for real-time monitoring of skin temperature according to claim 2, characterized in that: The infrared imaging module includes a chip U1, a socket P1, resistors R1-R5, and capacitors C1-C3. Pin 2 of the chip U1 is connected to SDA and one end of resistor R4; pin 3 is connected to SCL and one end of resistor R3; pin 4 is connected to INT and one end of resistor R2; pin 5 is connected to A0 and one end of resistor R1; pin 6 is grounded; pin 9 is connected to one end of capacitors C1-C2 and a 3.3V power supply; pin 10 is connected to one end of capacitor C3; pin 12 is connected to one end of capacitor C4; and pin 13 is connected to a 3.3V power supply. The other ends of resistors R1-R4 are all connected to a 3.3V power supply. The other ends of capacitors C1-C2 and C4 are all grounded. The other end of capacitor C3 is connected to one end of resistor R5, and the other end of resistor R5 is grounded. Pins 1-4 of the socket P1 are connected to A0, INT, SDA, and SCL respectively; pin 5 is grounded; and pin 6 is connected to a 5V power supply.

4. The IPL therapy handpiece for real-time monitoring of skin temperature according to claim 3, characterized in that: The power conversion module includes a voltage regulator module PW1, a socket P2, a fuse F1, a transient voltage suppressor diode (TVS1), polarized capacitors CP1-CP3, capacitors C5-C6, a resistor R6, and a light-emitting diode (LED1). Pin 1 of the voltage regulator module PW1 is connected to one end of capacitor C5, one end of fuse F1, the positive terminals of polarized capacitors CP1-CP2, and a 5V power supply. Pin 2 is connected to the other end of capacitor C5, the negative terminals of polarized capacitors CP1-CP2, one end of the transient voltage suppressor diode (TVS1), and pin 2 of socket P2, and then grounded. Pin 3 is connected to the negative terminal of polarized capacitor CP3, one end of capacitor C6, and the negative terminal of LED1, and then grounded. Pin 4 is connected to the positive terminal of polarized capacitor CP3, the other end of capacitor C6, one end of resistor R6, and a 3.3V power supply. The other end of fuse F1 is connected to the other end of the transient voltage suppressor diode (TVS1) and pin 1 of socket P2. The other end of resistor R6 is connected to the positive terminal of LED1.

5. The IPL therapy handpiece for real-time monitoring of skin temperature according to claim 4, characterized in that: The power module includes a chip U3, a voltage regulator module PW2, a socket P5, transient voltage suppressor diodes TVS2-TVS3, a fuse F2, a diode D1, capacitors C10-C12, polarized capacitors CP5-CP8, a resistor R9, and a light-emitting diode LED2. Pin 1 of the chip U3 is connected to one end of capacitor C12, the positive terminal of polarized capacitor CP7, and a 12V power supply; pin 2 is grounded; pin 3 is connected to the positive terminal of polarized capacitor CP8, one end of transient voltage suppressor diode TVS3, and a 5V power supply. The other end of capacitor C12, the negative terminals of polarized capacitors CP7-CP8, and the other end of transient voltage suppressor diode TVS3 are all grounded. Pin 1 of the voltage regulator module PW2 is connected to one end of capacitor C10, polarized capacitors CP5-CP8, and... The positive terminal of P5, the negative terminal of diode D1, and the 12V power supply are connected. Pin 2 is connected to the other end of capacitor C10, the negative terminals of polarized capacitors CP4-CP5, one end of transient suppression diode TVS2, and pin 1 of socket P5, and then grounded. Pin 3 is connected to the negative terminal of polarized capacitor CP6, one end of capacitor C11, and the negative terminal of LED2, and then grounded. Pin 4 is connected to the positive terminal of polarized capacitor CP6, the other end of capacitor C11, one end of resistor R9, and the 3.3V power supply. The positive terminal of diode D1 is connected to one end of fuse F2. The other end of fuse F2 is connected to the other end of transient suppression diode TVS2, pin 2 of socket P5, and the 13V power supply. The other end of resistor R9 is connected to the positive terminal of LED2.

6. The IPL therapy handpiece for real-time monitoring of skin temperature according to claim 5, characterized in that: The microcontroller module includes a chip U2, sockets P3-P4, socket COMM, crystal oscillator Y1, capacitors C7-C9, and resistors R7-R8. Pins 8-9, 16-17, 46, 49, and 61-62 of chip U2 are connected to INT, A0, TX2, RX2, SWCLK, SWDIO, SCL, and SDA, respectively. Pin 5 is connected to OSCIN, pin 2 of crystal oscillator Y1, and one end of capacitor C7. Pin 6 is connected to OSCOUT, pin 1 of crystal oscillator Y1, and one end of capacitor C8. Pin 7 is connected to NRST, one end of resistor R7, and one end of capacitor C9. Pin 1 is connected to one end of resistor R8. Pins 13, 19, 32, 48, and 61 are also connected to the microcontroller. All four terminals are connected to a 3.3V power supply. Pins 12, 18, 31, 47, 60, and 63 are grounded. The other end of capacitors C7-C8 is grounded. The other end of resistor R7 is connected to a 3.3V power supply. The other end of capacitor C9 is grounded. The other end of resistor R8 is connected to a 3.3V power supply. Pin 1 of socket P3 is grounded. Pins 2-3 are connected to SWCLK and SWDIO. Pin 4 is connected to a 3.3V power supply. Pins 2-3 of socket COMM are connected to TX2 and RX2 respectively. Pin 4 is grounded. Pins 1-4 of socket P4 are connected to A0, INT, SDA, and SCL respectively. Pin 5 is grounded. Pin 6 is connected to a 5V power supply.

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