Buzzer Module Jiangsu MLT-5020 | RAK18001
RAK18001 module has a buzzer. The sound and loudness can be controlled over a PWM signal from the WisBlock Core. The buzzer can be used as an alarm signal or as audible feedback to the user. It is even possible to play a small melody with the buzzer. RAK18001 can be mount to slots A, B, C, or D of RAK5005-O, it is controlled by an IO pin.