According to the product web page...
Therefore, the buzzer is on when the control signal is low, and off when the control signal is high. Exactly as you observed. It's working perfectly.
Your choices are to invert the logic in your code, or buy a different buzzer module with an active-high trigger.
...it has a low level trigger.Funzionalità e dettagli
❧1☙ Il modulo cicalino elettronico attivo ha una sorgente di oscillazione interna, un trigger di basso livello, un'uscita sonora continua e emetterà un allarme finché è acceso.
Therefore, the buzzer is on when the control signal is low, and off when the control signal is high. Exactly as you observed. It's working perfectly.
Your choices are to invert the logic in your code, or buy a different buzzer module with an active-high trigger.
Statistics: Posted by ame — Thu Mar 28, 2024 8:13 pm