Show pagesource Old revisions Backlinks Table of Contents Features Pins Arduino example Documents Buzzer Shield Get Started Buy Now Previous Next Features Frequency: 1kHz-3kHz 4 optional control ports (Default: D5) Pins D1 miniShield D5/D6/D7/D8Buzzer Arduino example Buzzer Shield example Documents Schematic V1.0.0 MLT-8540 Datasheet