![]() These are the errors that popup on the terminal for rosrun rosserial_python serial_node. ![]() Ros::Subscriber sub("/ignis/move", comCallback) ![]() The error was that I was writing 17 bytes. Void comCallback( const std_msgs::String& command) Mifare cards have a limitation of 16 bytes x block and you cant write on protected blocks like 0, 3, 6 etc. The String object allows you to manipulate strings of text in a variety of useful ways. The terminal is also showing a few errors which I am not able to decipher. The output on the serial monitor is not consistent its printing random values onto to screen. I am working with arduino nano to subscribe to a topic which reads keystrokes(Raspberry pi ubuntu mate melodic) and publishes into onto the topic.I am trying subscribe to the topic on an arduino which then prints the value onto the serial monitor. ESP32 crash executing Serial.println of a string Using Arduino Programming Questions tomsc May 16, 2022, 4:39pm 1 Hey, i have some problem with my code: the ESP32 crash when i try to print out the content of one item of the String.
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