Hi, I have a .cpp and .h file which I used to upload into arduino create as a library. lets call it mylib.cpp and mylib.h in my main.ino file I did the following #include <mylib.h> MyLib* foo = new MyLib(); void setup() { Serial.begin(115200) } void loop() { Serial.println("main loop "); …

Serial.print not working in .cpp library

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