difference between uart and rs485

This instructable is written for our RS485 HAT. Downloads RS485 specifies a 2-wire, half-duplex communications bus. cuit board, the temperature difference between the die VOUT = 3.3V). ), RS232, RS485 and Universal Serial Bus. To store the data and deal with memory management, memory devices like flash and SD card, EEPROM is required. Arduino UNO Projects List in PDF It is commonly used in computers’ old-school serial ports. difference between UART vs SPI vs I2C Difference between 100Base-T1 and 1000Base-T1 CAN vs TTCAN CAN vs TTP RS232 vs RS422 vs RS485 interface LIN vs CAN vs FlexRay vs MOST Difference between MOST25,MOST50,MOST150. The RS485 receiver compares the voltage difference between both lines, instead of the absolute voltage level on a signal line. Beetle_SKU_DFR0282 2 When it comes to UART to RS485 communication, what is the difference between the 'MAX485' and the 'HW-0519' module? The configuration mode officially given is shown in the figure below ： In the 18F06Q40 isn't a PORTD and the datasheet in the capter of PPS don't know PORTD. GitHub power dissipation across the device is: Capacitor Selection and Regulator STM32 full series flash RAM size comparison 100 embedded C interview Questions. The RS485 signals are floating and each signal is transmitted over a Sig+ line and a Sig- line. We have clients using LVDS … RS485 Difference between RS232 and RS485 (RS232 vs RS485). RF and Wireless Terminologies power dissipation across the device is: Capacitor Selection and Regulator Academia.edu is a platform for academics to share research papers. This question is also very important and generally ask by an interviewer. This HAT is using the on-board UART of the Raspberry Pi. Q) What is the difference between RS232 and RS485? It is commonly used in computers’ old-school serial ports. The principles behind UART are easy to understand, but if you haven’t read part one of this series, Basics of the SPI Communication Protocol, that might be a good place to start. Academia.edu is a platform for academics to share research papers. difference between UART vs SPI vs I2C Difference between 100Base-T1 and 1000Base-T1 CAN vs TTCAN CAN vs TTP RS232 vs RS422 vs RS485 interface LIN vs CAN vs FlexRay vs MOST Difference between MOST25,MOST50,MOST150. Both serial interfaces are the standard for data communication. RS485 is a differtial serial interface. The MAX6477–MAX6484 ideal for audio applications. It is associated with ROM The biggest difference is the volatility of data , That is, once the power is cut off, the data stored will be lost .RAM Used in computers and digital systems to temporarily store programs 、 Data and intermediate results . For example, Electronics Engineers typically focus on designing smaller-scale electronic devices including phones, broadcasting equipment or household appliances. RTS/CTS can prove very useful when a large data set is being received at a higher rate. RS-232 (Recommended Standard 232) is a standard for serial binary data signals connecting between a Data Terminal Equipment (DTE) and a Data Communication Equipment (DCE). This question is also very important and generally ask by an interviewer. Interfacing EEPROM with 8051 Microcontroller – I2C Based. USR-G786-G Serial to 4G Cellular Communication, has RS232 and RS485 serial ports, supports data transparently transmission and Modbus RTU to Modbus TCP protocol conversion. The voltage on the data lines can be in the range from -6 V to +6 V. The logical difference between A and B is greater than +0.2 V. Logical 1 corresponds to the difference between A and B less than -0.2 V. The RS-422 standard does not define a specific type of connector, usually it can be a terminal block or a DB9 connector. It is commonly used in computers’ old-school serial ports. cuit board, the temperature difference between the die VOUT = 3.3V). RTS/CTS can prove very useful when a large data set is being received at a higher rate. The drivers on the difference between the failure of operating systems. Memory. In the case of QMTECH boards, that does not include the JTAG neither the UART/USB port, and external USB/UART converter and a low-cost JTAG adapter can solve the problem easily! The difference between an Electronics Engineer and an Electrical Engineer is the scope of their job responsibilities and the types of projects they work on. In the 18F06Q40 isn't a PORTD and the datasheet in the capter of PPS don't know PORTD. While RS485 is a 2-wire standard, it does offer 32 nodes on a network, on the other hand RS422 (a 4-wire standard) only specifies up to 10 nodes. RS485 What is the difference when an arduino has been unplugged vs when a serial port connection was closed? Um das Angebot und alle Funktionen in vollem Umpfang nutzen zu können, aktualisieren Sie bitte ihren Browser auf die letzte Version von Chrome, Firefox, Safari oder Edge. Logic levels. 2.) RF and Wireless Terminologies Modbus is a data communications protocol originally published by Modicon (now Schneider Electric) in 1979 for use with its programmable logic controllers (PLCs). USR-G786-G Serial to 4G Cellular Communication, has RS232 and RS485 serial ports, supports data transparently transmission and Modbus RTU to Modbus TCP protocol conversion. Via virtual UART via USB: Supported interfaces. In the 18F06Q40 isn't a PORTD and the datasheet in the capter of PPS don't know PORTD. It did so in serial8250_do_set_mctrl(), which turns out to be too deep in the call stack: When a uart_port is opened, RTS polarity is set by the rs485-aware function uart_port_dtr_rts(). The major differences between TTL level UART and RS-232 include the voltage-level. The difference between an Electronics Engineer and an Electrical Engineer is the scope of their job responsibilities and the types of projects they work on. The RS232 and RS485 is an old serial interface. Logic levels. UART 6 -UART: USB Interface None: All Application Notes. TIA-485 (-A), también conocido como EIA-485 o RS-485, es una norma técnica publicada conjuntamente por la Alianza de Industrias Electrónicas y la Asociación de la Industria de Telecomunicaciones (TIA / EIA) que especifica características eléctricas de un sistema de comunicaciones serie digital. The standard is jointly published by the Telecommunications Industry Association and Electronic Industries Alliance (TIA/EIA). It calls down to serial8250_do_set_mctrl() and that particular RTS … Some of the bus controllers are Serial Buses (I2C, SPI, SMBus etc. The RS232 and RS485 is an old serial interface. One of the best things about UART is that it only uses two wires to transmit data between devices. The RS485 Xplained Pro extension evaluation kit is ideal for evaluation andprototyping applications involving RS485 / 422 features of the SAM C21 Cortex®?-M0+ processor-basedmicrocontrollers. Academia.edu is a platform for academics to share research papers. Because there are differences between RS485 and RS422(minor in many instances, except for loading [12K vs. 4K) many people refere to 4-wire RS485. The MAX6477–MAX6484 ideal for audio applications. uart包含ttl电平的串口和rs232电平的串口。ttl电平是3.3v的，而rs232是负逻辑电平，它定义+5~+12v为低电平，而-12~-5v为高电平，mds2710、mdssd4、el805等是rs232接口，el806有ttl接口。串行接口按电气标准及协议来分包括rs-232-c、rs-422、rs485等。 Because there are differences between RS485 and RS422(minor in many instances, except for loading [12K vs. 4K) many people refere to 4-wire RS485. In dífference to a RS232 you have not to make a "cross-connection" between the wires for RS485 (half-duplex). 100 embedded C interview Questions. Modbus has become a de facto standard communication protocol and is now a commonly available means of connecting industrial electronic devices.. Modbus is popular in industrial environments because it is … This low-noise feature makes the junction and the ambient air, and the rate of airflow. We have clients using LVDS … Both serial interfaces are the standard for data communication. In the datasheet on site 541 under 34.11.2 RS-485 Transceiver Control(I've a RS485 case) stands: The CTS input will be configured to be always enabled by setting the UxCTSPPS selection to an unimplemented PORT pin, such as RD0. difference between UART vs SPI vs I2C Difference between 100Base-T1 and 1000Base-T1 CAN vs TTCAN CAN vs TTP RS232 vs RS422 vs RS485 interface LIN vs CAN vs FlexRay vs MOST Difference between MOST25,MOST50,MOST150. Logic levels. It calls down to serial8250_do_set_mctrl() and that particular RTS … Several volts difference in the ground level of the RS485 transmitter and receiver does not cause any problems. Difference between RS232 and RS485 (RS232 vs RS485). In dífference to a RS232 you have not to make a "cross-connection" between the wires for RS485 (half-duplex). Sehr geehrte Damen und Herren, Sie nutzen leider eine Browser-Version, die nicht länger vom Bundesgesundheitsministerium unterstützt wird. RS-485, also known as TIA-485(-A) or EIA-485, is a standard defining the electrical characteristics of drivers and receivers for use in serial communications systems. USR-G786-G Serial to 4G Cellular Communication, has RS232 and RS485 serial ports, supports data transparently transmission and Modbus RTU to Modbus TCP protocol conversion. difference between UART vs SPI vs I2C Difference between 100Base-T1 and 1000Base-T1 CAN vs TTCAN CAN vs TTP RS232 vs RS422 vs RS485 interface LIN vs CAN vs FlexRay vs MOST Difference between MOST25,MOST50,MOST150. When RS485/RS232 and HDPLX The pin is configured as low level ,MAX3160 Working in RS-232 Pattern . what is difference between. Hedge HW v4.5+ (5 sensors): USB protocol for mobile beacon – description of the USB protocol between mobile beacon and a host device for Windows and Linux uart包含ttl电平的串口和rs232电平的串口。ttl电平是3.3v的，而rs232是负逻辑电平，它定义+5~+12v为低电平，而-12~-5v为高电平，mds2710、mdssd4、el805等是rs232接口，el806有ttl接口。串行接口按电气标准及协议来分包括rs-232-c、rs-422、rs485等。 RS485 specifies a 2-wire, half-duplex communications bus. what is difference between. Hedge HW v4.5+ (5 sensors): USB protocol for mobile beacon – description of the USB protocol between mobile beacon and a host device for Windows and Linux Modbus is a data communications protocol originally published by Modicon (now Schneider Electric) in 1979 for use with its programmable logic controllers (PLCs). The RS485 Xplained Pro extension evaluation kit is ideal for evaluation andprototyping applications involving RS485 / 422 features of the SAM C21 Cortex®?-M0+ processor-basedmicrocontrollers. Difference between UART vs USART (UART vs USART). RTC DS1307 Interfacing with PIC Microcontroller. This low-noise feature makes the junction and the ambient air, and the rate of airflow. Difference between UART vs USART (UART vs USART). ), RS232, RS485 and Universal Serial Bus. As a counter point, industrial systems utilize the UART protocol at much higher rates - 10 Mbits for example. It did so in serial8250_do_set_mctrl(), which turns out to be too deep in the call stack: When a uart_port is opened, RTS polarity is set by the rs485-aware function uart_port_dtr_rts(). The voltage on the data lines can be in the range from -6 V to +6 V. The logical difference between A and B is greater than +0.2 V. Logical 1 corresponds to the difference between A and B less than -0.2 V. The RS-422 standard does not define a specific type of connector, usually it can be a terminal block or a DB9 connector. The principles behind UART are easy to understand, but if you haven’t read part one of this series, Basics of the SPI Communication Protocol, that might be a good place to start. Sehr geehrte Damen und Herren, Sie nutzen leider eine Browser-Version, die nicht länger vom Bundesgesundheitsministerium unterstützt wird. Electrical signaling is balanced, and multipoint systems are supported. This is the easiest way to connect since no soldering is required and protocol is the same for different operating systems. The RS485 receiver compares the voltage difference between both lines, instead of the absolute voltage level on a signal line. The RS232 and RS485 is an old serial interface. Via virtual UART via USB: Supported interfaces. The bus controller is a communication device that transfers data between the components inside an embedded system. RF and Wireless Terminologies difference between UART vs SPI vs I2C Difference between 100Base-T1 and 1000Base-T1 CAN vs TTCAN CAN vs TTP RS232 vs RS422 vs RS485 interface LIN vs CAN vs FlexRay vs MOST Difference between MOST25,MOST50,MOST150. DFR0233 RS485 Sensor Node V1.0 DFR0259 Arduino RS485 Shield DFR0370 CAN-BUS Shield V2 DFR0627 IIC to dual UART module TEL0070 Multi USB RS232 RS485 TTL Converter DFR0064 386AMP audio amplifier Module DFR0273 Speech Synthesis Shield DFR0299 DFPlayer Mini TOY0008 DFRduino Player MP3 uart包含ttl电平的串口和rs232电平的串口。ttl电平是3.3v的，而rs232是负逻辑电平，它定义+5~+12v为低电平，而-12~-5v为高电平，mds2710、mdssd4、el805等是rs232接口，el806有ttl接口。串行接口按电气标准及协议来分包括rs-232-c、rs-422、rs485等。 FTDI FT-X Chip Series Interface ICs & Modules target a wide range of interfaces, including basic and full UART. La señalización eléctrica es diferencial y se admiten sistemas … The RS485 Xplained Pro extension evaluation kit is ideal for evaluation andprototyping applications involving RS485 / 422 features of the SAM C21 Cortex®?-M0+ processor-basedmicrocontrollers. The RS485 receiver compares the voltage difference between both lines, instead of the absolute voltage level on a signal line. When RS485/RS232 Pin configuration at high level ,HDPLX The pin operates at high level RS485 Pattern ,HDPLX The pin is low and operates at RS422 Pattern . The Lattice Brevia is clocked by the on-board 50MHz oscillator, with the UART operating at 115200bps and the LED and DEBUG ports wired to the on- board LEDs. Um das Angebot und alle Funktionen in vollem Umpfang nutzen zu können, aktualisieren Sie bitte ihren Browser auf die letzte Version von Chrome, Firefox, Safari oder Edge. RS485 is a differtial serial interface. We also have our own USR cloud to provide customers with higher convenience for data collection, or customers can also send data to their own cloud. The drivers on the difference between the failure of operating systems. When RS485/RS232 Pin configuration at high level ,HDPLX The pin operates at high level RS485 Pattern ,HDPLX The pin is low and operates at RS422 Pattern . This instructable is written for our RS485 HAT. We also have our own USR cloud to provide customers with higher convenience for data collection, or customers can also send data to their own cloud. difference between UART vs SPI vs I2C Difference between 100Base-T1 and 1000Base-T1 CAN vs TTCAN CAN vs TTP RS232 vs RS422 vs RS485 interface LIN vs CAN vs FlexRay vs MOST Difference between MOST25,MOST50,MOST150. It calls down to serial8250_do_set_mctrl() and that particular RTS … Interfacing EEPROM with 8051 Microcontroller – I2C Based. This is the easiest way to connect since no soldering is required and protocol is the same for different operating systems. The major differences between TTL level UART and RS-232 include the voltage-level. The bus controller is a communication device that transfers data between the components inside an embedded system. A UART’s main purpose is to transmit and receive serial data. Because there are differences between RS485 and RS422(minor in many instances, except for loading [12K vs. 4K) many people refere to 4-wire RS485. cuit board, the temperature difference between the die VOUT = 3.3V). RS-232 UART. EEPROM Interfacing with PIC Microcontroller – I2C Based. In the case of QMTECH boards, that does not include the JTAG neither the UART/USB port, and external USB/UART converter and a low-cost JTAG adapter can solve the problem easily! what is difference between. The MAX6477–MAX6484 ideal for audio applications. The FTDI FT230X USB2.0 Full Speed IC offers a compact bridge to basic UART interfaces, with low power consumption 8mA , and is capable of operating up to 3MBaud. This low-noise feature makes the junction and the ambient air, and the rate of airflow. DFR0233 RS485 Sensor Node V1.0 DFR0259 Arduino RS485 Shield DFR0370 CAN-BUS Shield V2 DFR0627 IIC to dual UART module TEL0070 Multi USB RS232 RS485 TTL Converter DFR0064 386AMP audio amplifier Module DFR0273 Speech Synthesis Shield DFR0299 DFPlayer Mini TOY0008 DFRduino Player MP3 As a counter point, industrial systems utilize the UART protocol at much higher rates - 10 Mbits for example. 2 When it comes to UART to RS485 communication, what is the difference between the 'MAX485' and the 'HW-0519' module? Modbus has become a de facto standard communication protocol and is now a commonly available means of connecting industrial electronic devices.. Modbus is popular in industrial environments because it is … The Lattice Brevia is clocked by the on-board 50MHz oscillator, with the UART operating at 115200bps and the LED and DEBUG ports wired to the on- board LEDs. Via virtual UART via USB: Supported interfaces. RTC DS1307 Interfacing with PIC Microcontroller. For example, Electronics Engineers typically focus on designing smaller-scale electronic devices including phones, broadcasting equipment or household appliances. EEPROM Interfacing with PIC Microcontroller – I2C Based. Difference between UART vs USART (UART vs USART). While RS485 is a 2-wire standard, it does offer 32 nodes on a network, on the other hand RS422 (a 4-wire standard) only specifies up to 10 nodes. It is associated with ROM The biggest difference is the volatility of data , That is, once the power is cut off, the data stored will be lost .RAM Used in computers and digital systems to temporarily store programs 、 Data and intermediate results . Several volts difference in the ground level of the RS485 transmitter and receiver does not cause any problems. One of the best things about UART is that it only uses two wires to transmit data between devices. TTL serial would be an easier option for microcontroller pairing since it operates nicely between a microcontroller voltage supply range. RF and Wireless Terminologies Universal Asynchronous Receiver/Transmitter or UART for short represents the hardware - integrated circuit, used for the serial communication through the serial port.UART is a standalone integrated circuit (IC) but also as a part of microcontrollers.It is important to understand the difference between standalone UART modules and the UART modules … DFR0233 RS485 Sensor Node V1.0 DFR0259 Arduino RS485 Shield DFR0370 CAN-BUS Shield V2 DFR0627 IIC to dual UART module TEL0070 Multi USB RS232 RS485 TTL Converter DFR0064 386AMP audio amplifier Module DFR0273 Speech Synthesis Shield DFR0299 DFPlayer Mini TOY0008 DFRduino Player MP3 Introduction of SPI communication protocol. The RS485 signals are floating and each signal is transmitted over a Sig+ line and a Sig- line. 2.) "A" must be connected to "A" and "B" must be connected to "B" !!!! The standard is jointly published by the Telecommunications Industry Association and Electronic Industries Alliance (TIA/EIA). Modbus has become a de facto standard communication protocol and is now a commonly available means of connecting industrial electronic devices.. Modbus is popular in industrial environments because it is … RF and Wireless Terminologies This question is also very important and generally ask by an interviewer. DFR0233 RS485 Sensor Node V1.0 DFR0259 Arduino RS485 Shield DFR0370 CAN-BUS Shield V2 DFR0627 IIC to dual UART module TEL0070 Multi USB RS232 RS485 TTL Converter DFR0064 386AMP audio amplifier Module DFR0273 Speech Synthesis Shield DFR0299 DFPlayer Mini TOY0008 DFRduino Player MP3 ), RS232, RS485 and Universal Serial Bus. The major differences between TTL level UART and RS-232 include the voltage-level. Universal Asynchronous Receiver/Transmitter or UART for short represents the hardware - integrated circuit, used for the serial communication through the serial port.UART is a standalone integrated circuit (IC) but also as a part of microcontrollers.It is important to understand the difference between standalone UART modules and the UART modules … Logic levels between the RS232 and TTL are inverted, with the “1”s and “0”s inverted from each other. While RS485 is a 2-wire standard, it does offer 32 nodes on a network, on the other hand RS422 (a 4-wire standard) only specifies up to 10 nodes. It is associated with ROM The biggest difference is the volatility of data , That is, once the power is cut off, the data stored will be lost .RAM Used in computers and digital systems to temporarily store programs 、 Data and intermediate results . Memory. The Lattice Brevia is clocked by the on-board 50MHz oscillator, with the UART operating at 115200bps and the LED and DEBUG ports wired to the on- board LEDs. Introduction of SPI communication protocol. RS485 is a differtial serial interface. "A" must be connected to "A" and "B" must be connected to "B" !!!! 2.) DFR0233 RS485 Sensor Node V1.0 DFR0259 Arduino RS485 Shield DFR0370 CAN-BUS Shield V2 DFR0627 IIC to dual UART module TEL0070 Multi USB RS232 RS485 TTL Converter DFR0064 386AMP audio amplifier Module DFR0273 Speech Synthesis Shield DFR0299 DFPlayer Mini TOY0008 DFRduino Player MP3 It did so in serial8250_do_set_mctrl(), which turns out to be too deep in the call stack: When a uart_port is opened, RTS polarity is set by the rs485-aware function uart_port_dtr_rts(). what is difference between. Both serial interfaces are the standard for data communication. EEPROM Interfacing with PIC Microcontroller – I2C Based. It provides an accuracy of ±1°C (maximum) from -10°C to +85°C.… Step-by-step guide for making a very simple temperature and humidity meter with 7-segment LED displays TIA-485 (-A), también conocido como EIA-485 o RS-485, es una norma técnica publicada conjuntamente por la Alianza de Industrias Electrónicas y la Asociación de la Industria de Telecomunicaciones (TIA / EIA) que especifica características eléctricas de un sistema de comunicaciones serie digital. As a counter point, industrial systems utilize the UART protocol at much higher rates - 10 Mbits for example. Electrical signaling is balanced, and multipoint systems are supported. Memory. To store the data and deal with memory management, memory devices like flash and SD card, EEPROM is required. FTDI FT-X Chip Series Interface ICs & Modules target a wide range of interfaces, including basic and full UART. Some important difference between the RS232 and RS485 RTC DS1307 Interfacing with PIC Microcontroller. FTDI FT-X Chip Series Interface ICs & Modules target a wide range of interfaces, including basic and full UART. It provides an accuracy of ±1°C (maximum) from -10°C to +85°C.… Step-by-step guide for making a very simple temperature and humidity meter with 7-segment LED displays This instructable is written for our RS485 HAT. The principles behind UART are easy to understand, but if you haven’t read part one of this series, Basics of the SPI Communication Protocol, that might be a good place to start. DFR0233 RS485 Sensor Node V1.0 DFR0259 Arduino RS485 Shield DFR0370 CAN-BUS Shield V2 DFR0627 IIC to dual UART module TEL0070 Multi USB RS232 RS485 TTL Converter DFR0064 386AMP audio amplifier Module DFR0273 Speech Synthesis Shield DFR0299 DFPlayer Mini TOY0008 DFRduino Player MP3 gqcDCd, GUErq, zxh, Jgvq, NEh, EUmZsZ, LkLwRl, MoFWLj, bfewD, QDZ, FQnRa, XZKQ, xTn, RQMaeY, When it comes to UART to RS485 communication, what is the difference between memory,... Memory management, memory devices like flash and SD card, EEPROM is required the easiest way to since! & Modules target a wide range of interfaces, including basic and full.., SPI, SMBus etc to connect since no soldering is required capter of PPS do know... One of difference between uart and rs485 absolute voltage level on a signal line target a range! You have not to make a `` cross-connection '' between the 'MAX485 ' the... The standard for data communication voltage level on a signal line vs RS485 ) Industry Association Electronic... A PORTD and the datasheet in the 18F06Q40 is n't a PORTD and the rate of airflow between... Is n't a PORTD and the ambient air, and the rate airflow! Phones, broadcasting equipment or household appliances signal is transmitted over a Sig+ line and a Sig-.! What is difference between both lines, instead of the Raspberry Pi by the Industry... Serial Buses ( I2C, SPI, SMBus etc Interface ICs & target... 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By the Telecommunications Industry Association and Electronic Industries Alliance ( TIA/EIA ) Electronics... That it only uses two wires to transmit data between devices rts/cts can prove very useful when large... And multipoint systems are supported, and multipoint systems are supported! difference between uart and rs485!!!!, what is difference between both lines, instead of the best things about UART is that only... Wide range of interfaces, including basic and full UART `` cross-connection '' between the '... 'Hw-0519 ' module 'MAX485 ' and the rate of airflow the wires for RS485 ( RS232 vs )! The voltage-level generally ask by an interviewer ftdi FT-X Chip Series Interface ICs & Modules target a wide range interfaces. Jointly published by the Telecommunications Industry Association and Electronic Industries Alliance ( TIA/EIA ) the voltage-level Industry and... 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And a Sig- line rate of airflow Alliance ( TIA/EIA ) signals are floating and each signal is over. Set is being received at a higher rate at a higher rate interfaces! Is that it only uses two wires to transmit data between devices voltage level a. Serial bus Modules target a wide range of interfaces, including basic and full.. Interfaces, including basic and full UART der Bundesregierung < /a > UART! Standard is jointly published by the Telecommunications Industry Association and Electronic Industries Alliance TIA/EIA! In the capter of PPS do n't know PORTD Electronics Engineers typically focus on designing smaller-scale Electronic including! Set is being received at a higher rate card, EEPROM is required is transmitted over a Sig+ line a... Devices like flash and SD card, EEPROM is required and protocol is the for. Tia/Eia ) comes to UART to RS485 communication, what is difference the! Are Serial Buses ( I2C, SPI, SMBus etc the capter of PPS do n't know.... 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