Connect the Buzzer to the Relay Module: Connect one end of the buzzer to NO (Normally Open) and the other end to COM (Common) on the Relay Module. Upload the Code: Open the Arduino IDE and create a ...

Circuit Setup: Connect the buzzer module to the Arduino Nano as described above. Code Upload: Copy and paste the provided code into the Arduino IDE. Select the appropriate board (Arduino Nano) and ...

Arduino project, buzzer trouble. mogbert Jul 14, 2014 Jump to latest Follow Reply ...