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    Help needed: Arduino Wireless Notice Board project

    Arduino
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    • S
      SAFVAN last edited by salmanfaris

      I'm making a Wireless Notice Board for my project purpose. Simply the expected working is... "Sending a message from our mobile handset to sim which inserted to SIM900A GSM Module Arduino read the message and display through P10 LED display."

      Recieving SMS system and P10 LED display are working separately. These programs are combined. SMS are received (we can see in serialmonitor). But it cannot display. Displaying what is written in the program only

      #include <SoftwareSerial.h>
      #include <SPI.h>
      #include <DMD.h>
      #include <TimerOne.h>
      #include "SystemFont5x7.h"
      #include "Arial_black_16.h"
      
      #define ROW 1
      #define COLUMN 1
      #define FONT Arial_Black_16
      
      DMD led_module(ROW, COLUMN);
      
      String st; 
      const char *msg;
      unsigned int LengMsg;
      SoftwareSerial mySerial(3, 2);
      
      void scan_module(){
        led_module.scanDisplayBySPI();
      }
      
      void setup() {
        Timer1.initialize(2000);
        Timer1.attachInterrupt(scan_module);
        led_module.clearScreen( true );
        
        Serial.begin(4800);
        mySerial.begin(4800);
        Serial.println("Starting..."); 
        delay(1000);
        mySerial.println("AT");
        pollSms();
        mySerial.println("AT+CMGF=1"); 
        pollSms();
        mySerial.println("AT+CNMI=1,2,0,0,0");
        pollSms();
      }
      
      void loop(){
        pollSms();
        delay(500);
      
        //Start print in led matrix 
        led_module.selectFont(FONT);
        led_module.drawMarquee(msg,LengMsg, (32 * ROW), 0);
        long start = millis();
        long timming = start;
        boolean flag = false;
        while (!flag){
          if((timming + 20) < millis()){
              flag = led_module.stepMarquee(-1, 0);
              timming = millis();
            }
          }
        }
      
      void pollSms(){
        delay(500);
        while (Serial.available()) {
          mySerial.write(Serial.read());
          String st = String(Serial.read());
          Serial.println(st);
        }
        while(mySerial.available()) {
          Serial.write(mySerial.read());
          st = String(Serial.readString());
          Serial.println(st);
          LengMsg = st.length();
          st.toCharArray(msg,LengMsg);    
        }
        delay(500);
      }
      
      S 1 Reply Last reply Reply Quote 0
      • kowshik1729
        kowshik1729 last edited by

        @SAFVAN Thanks for posting the query. I would like to know what is the exact part number or any picture of the Display you're using and I wanna know what connections have you made.

        Please post these details such that it becomes easy for us to review.!!

        1 Reply Last reply Reply Quote 0
        • salmanfaris
          salmanfaris last edited by

          @SAFVAN are you getting any error or something ?

          rafitc99 1 Reply Last reply Reply Quote 0
          • rafitc99
            rafitc99 @salmanfaris last edited by

            @salmanfaris no any error, issue is in that LED metrix library print function parameters are *const char. So need to convert SMS boast string to const char *Variable.

            salmanfaris 1 Reply Last reply Reply Quote 0
            • S
              SAFVAN @SAFVAN last edited by

              @kowshik1729 display is 16×32 P10 LED display.
              RX and TX connected pin 3&2.
              P10 connected as https://circuitdigest.com/microcontroller-projects/digital-notice-board-using-p10-led-matrix-display-and-arduino

              1 Reply Last reply Reply Quote 0
              • salmanfaris
                salmanfaris @rafitc99 last edited by salmanfaris

                Hi @rafitc99, You can convert the string to char array using toCharArray() it will Copies the String’s characters to the supplied buffer.

                • Syntax
                myString.toCharArray(buf, len)
                
                • Parameters
                  myString: a variable of type String.
                  buf: the buffer to copy the characters into. Allowed data types: array of char.
                  len: the size of the buffer. Allowed data types: unsigned int.

                more : https://www.arduino.cc/reference/en/language/variables/data-types/string/functions/tochararray/ , https://www.arduino.cc/en/Tutorial/BuiltInExamples#strings

                also @SAFVAN is using const char* to hold message array You cannot change the contents of the location(s) this pointer points to.

                rafitc99 1 Reply Last reply Reply Quote 0
                • rafitc99
                  rafitc99 @salmanfaris last edited by

                  @salmanfaris Rewrite all code and uploaded. But SMS is not displaying correctly in LED Board, .. I'm attaching code and display output. take a look ,

                  #include <SoftwareSerial.h>
                  #include <SPI.h>
                  #include <DMD.h>
                  #include <TimerOne.h>
                  #include "SystemFont5x7.h"
                  #include "Arial_black_16.h"
                  
                  #define ROW 1
                  #define COLUMN 1
                  #define FONT Arial_Black_16
                  
                  DMD led_module(ROW, COLUMN);
                  
                  String st; 
                  const char *msg;
                  unsigned int LengMsg;
                  SoftwareSerial mySerial(3, 2);
                  
                  void scan_module(){
                    led_module.scanDisplayBySPI();
                  }
                  
                  void setup() {
                    Timer1.initialize(2000);
                    Timer1.attachInterrupt(scan_module);
                    led_module.clearScreen( true );
                    
                    Serial.begin(4800);
                    mySerial.begin(4800);
                    Serial.println("Starting..."); 
                    delay(1000);
                    mySerial.println("AT");
                    pollSms();
                    mySerial.println("AT+CMGF=1"); 
                    pollSms();
                    mySerial.println("AT+CNMI=1,2,0,0,0");
                    pollSms();
                  }
                  
                  void loop(){
                    pollSms();
                    delay(500);
                  
                    //Start print in led matrix 
                    led_module.selectFont(FONT);
                    led_module.drawMarquee(msg,LengMsg, (32 * ROW), 0);
                    long start = millis();
                    long timming = start;
                    boolean flag = false;
                    while (!flag){
                      if((timming + 20) < millis()){
                          flag = led_module.stepMarquee(-1, 0);
                          timming = millis();
                        }
                      }
                    }
                  
                  void pollSms(){
                    delay(500);
                    while (Serial.available()) {
                      mySerial.write(Serial.read());
                      //String st = String(Serial.read());
                      //Serial.println(st);
                    }
                    while(mySerial.available()) {
                      Serial.write(mySerial.read());
                      st = String(mySerial.readString());
                      Serial.println(st);
                      LengMsg = st.length();
                      st.toCharArray(msg,LengMsg);    
                    }
                    delay(500);
                  }
                  

                  output video : video link

                  A 1 Reply Last reply Reply Quote 0
                  • salmanfaris
                    salmanfaris last edited by

                    Can you print the SMS on the serial monitor too? so we can conclude the problem

                    rafitc99 1 Reply Last reply Reply Quote 0
                    • rafitc99
                      rafitc99 @salmanfaris last edited by

                      @salmanfaris in serial monitor getting normal text. No problem in there.

                      salmanfaris 1 Reply Last reply Reply Quote 0
                      • salmanfaris
                        salmanfaris @rafitc99 last edited by

                        @rafitc99 Okay, it might be sending char from SMS buffer to LED panel. let me check, I'll get back to you.

                        1 Reply Last reply Reply Quote 0
                        • First post
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                        Recent Posts

                        • @abijith Thanks for sharing 🙌.

                          • read more
                        • It is the simple basic project created using Arduino. LED (Light Emitting Diode) is an electronic device, which emits light when the current passes through its terminals. LED's are used in various applications. It is also used as an ON/OFF indicator in different electronic devices.

                          In this project, we will connect the LED to the digital pin on the Arduino board. The LED will work as a simple light that can be turned ON and OFF for a specified duration.

                          Video Link :

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                        • After reinstalling the portenta board file and restarting the computer, solved the problem.

                          01fe285c-50ff-4f9a-9a9a-46e2f3b0c555-image.png

                          • read more
                        • Trying to run blink on portenta but getting the error?

                          db930ad2-3abc-4e6b-8784-25c9f1399016-image.png

                          error message:

                          Arduino: 1.8.13 (Windows 10), Board: "Arduino Portenta H7 (M7 core)" C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\Faris\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\Faris\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Faris\Documents\Arduino\libraries -fqbn=arduino:mbed:envie_m7 -vid-pid=2341_025B -ide-version=10813 -build-path C:\Users\Faris\AppData\Local\Temp\arduino_build_650727 -warnings=none -build-cache C:\Users\Faris\AppData\Local\Temp\arduino_cache_409352 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arm-none-eabi-gcc.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4 -prefs=runtime.tools.arm-none-eabi-gcc-7-2017q4.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4 -prefs=runtime.tools.bossac.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\bossac\1.9.1-arduino2 -prefs=runtime.tools.bossac-1.9.1-arduino2.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\bossac\1.9.1-arduino2 -prefs=runtime.tools.openocd.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino13 -prefs=runtime.tools.openocd-0.10.0-arduino13.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino13 -prefs=runtime.tools.dfu-util.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2 -prefs=runtime.tools.dfu-util-0.9.0-arduino2.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2 -verbose C:\Users\Faris\AppData\Local\Temp\arduino_modified_sketch_49117\Blink.ino C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\Faris\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\Faris\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Faris\Documents\Arduino\libraries -fqbn=arduino:mbed:envie_m7 -vid-pid=2341_025B -ide-version=10813 -build-path C:\Users\Faris\AppData\Local\Temp\arduino_build_650727 -warnings=none -build-cache C:\Users\Faris\AppData\Local\Temp\arduino_cache_409352 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arm-none-eabi-gcc.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4 -prefs=runtime.tools.arm-none-eabi-gcc-7-2017q4.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4 -prefs=runtime.tools.bossac.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\bossac\1.9.1-arduino2 -prefs=runtime.tools.bossac-1.9.1-arduino2.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\bossac\1.9.1-arduino2 -prefs=runtime.tools.openocd.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino13 -prefs=runtime.tools.openocd-0.10.0-arduino13.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino13 -prefs=runtime.tools.dfu-util.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2 -prefs=runtime.tools.dfu-util-0.9.0-arduino2.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2 -verbose C:\Users\Faris\AppData\Local\Temp\arduino_modified_sketch_49117\Blink.ino Using board 'envie_m7' from platform in folder: C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\hardware\mbed\1.3.1 Using core 'arduino' from platform in folder: C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\hardware\mbed\1.3.1 Detecting libraries used... "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-g++" -c -w -g -Os -nostdlib "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/defines.txt" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/cxxflags.txt" -mcpu=cortex-m7 -mfloat-abi=softfp -mfpu=fpv5-d16 -w -x c++ -E -CC -DARDUINO=10813 -DARDUINO_PORTENTA_H7_M7 -DARDUINO_ARCH_MBED -DARDUINO_LIBRARY_DISCOVERY_PHASE=0 "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino/api/deprecated" "-iprefixC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/includes.txt" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp" -o nul -DARDUINO_LIB_DISCOVERY_PHASE Generating function prototypes... "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-g++" -c -w -g -Os -nostdlib "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/defines.txt" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/cxxflags.txt" -mcpu=cortex-m7 -mfloat-abi=softfp -mfpu=fpv5-d16 -w -x c++ -E -CC -DARDUINO=10813 -DARDUINO_PORTENTA_H7_M7 -DARDUINO_ARCH_MBED -DARDUINO_LIBRARY_DISCOVERY_PHASE=0 "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino/api/deprecated" "-iprefixC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/includes.txt" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp" -o "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\preproc\\ctags_target_for_gcc_minus_e.cpp" -DARDUINO_LIB_DISCOVERY_PHASE "C:\\Program Files (x86)\\Arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\preproc\\ctags_target_for_gcc_minus_e.cpp" Compiling sketch... "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-g++" -c -w -g -Os -nostdlib "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/defines.txt" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/cxxflags.txt" -MMD -mcpu=cortex-m7 -mfloat-abi=softfp -mfpu=fpv5-d16 -DARDUINO=10813 -DARDUINO_PORTENTA_H7_M7 -DARDUINO_ARCH_MBED -DARDUINO_LIBRARY_DISCOVERY_PHASE=0 "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino/api/deprecated" "-iprefixC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/includes.txt" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp" -o "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp.o" Compiling libraries... Compiling core... Using previously compiled file: C:\Users\Faris\AppData\Local\Temp\arduino_build_650727\core\variant.cpp.o Using precompiled core: C:\Users\Faris\AppData\Local\Temp\arduino_cache_409352\core\core_arduino_mbed_envie_m7_e26c816eecbb9bfaaa432fd6b53eb31d.a Linking everything together... "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-g++" "-LC:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727" -Wl,--gc-sections -w -Wl,--as-needed "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/ldflags.txt" "-TC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/linker_script.ld" "-Wl,-Map,C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.map" --specs=nosys.specs -o "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.elf" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp.o" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\core\\variant.cpp.o" -Wl,--whole-archive "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/..\\arduino_cache_409352\\core\\core_arduino_mbed_envie_m7_e26c816eecbb9bfaaa432fd6b53eb31d.a" "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/libs/libmbed.a" -Wl,--no-whole-archive -Wl,--start-group -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys -Wl,--end-group "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-objcopy" -O binary "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.elf" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.bin" "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-objcopy" -O ihex -R .eeprom "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.elf" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.hex" "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-size" -A "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.elf" Sketch uses 130248 bytes (16%) of program storage space. Maximum is 786432 bytes. Global variables use 57280 bytes (10%) of dynamic memory, leaving 466344 bytes for local variables. Maximum is 523624 bytes. Forcing reset using 1200bps open/close on port COM12 PORTS {COM12, } / {} => {} PORTS {} / {} => {} PORTS {} / {COM13, } => {COM13, } Found upload port: COM13 C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2/dfu-util --device 0x2341:0x035b -D C:\Users\Faris\AppData\Local\Temp\arduino_build_650727/Blink.ino.bin -a0 --dfuse-address=0x08040000:leave dfu-util 0.9 Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2020 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to http://sourceforge.net/p/dfu-util/tickets/ Invalid DFU suffix signature A valid DFU suffix will be required in a future dfu-util release!!! Cannot open DFU device 2341:035b Cannot open DFU device 2341:035b No DFU capable USB device available An error occurred while uploading the sketch

                          • read more
                        • Did anyone use Arduino Portenta H7 with Arduino IOT Cloud? It is listed on IOT Cloud Page but it's not supporting!

                          When I was trying to connect the board with the, it says The device found is not compatible

                          337f42fb-4020-487c-b34e-a7529c6f884b-image.png

                          But it's listed in the supporting board page.

                          adb3a569-1870-4258-91a7-75653da826c9-image.png

                          also mentioned in the portenta page .

                          10c67a19-312b-41df-8497-94e8591d4b1d-image.png

                          https://www.arduino.cc/en/IoT/HomePage https://store.arduino.cc/usa/portenta-h7

                          • read more
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