Compilation error: 'HCSR04' does not name a type; did you mean 'UCSR0A'? I get this error when downloading the ultrasonic sensor code with the shared flag in the library, and it is the last experience of many solutions. What should I do?

Ultrasonic sensor code

xfpd February 27, 2024, 5:52pm 3

You must show this code.

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