DFRobot Gravity - a speaker with a digital interface

The module is based on the single-wire 8002 amplifier with digital interface. It can work as asimple buzzer or play music. The volume is adjustable with built in potentiometer. The supply voltage ranges from 2 V to 5.5 V.

• Small, compact size
• Simple single-wire interface
• Wide input voltage range

The sensor is equipped with a digital input which is to be connected to any input of the microcontroller.

The product is compatible with Arduino

Sample code and detailed information can be found inthe user guide.

Sensor connection example.

• Supply voltage: 2 V to 5.5 V
• Interface type: digital

• Board size: 40 x 40 mm
• Weight: 14 g

Boards are suitable for connectors withDFRobot IO Expansion Shield for Arduino V7.1.

• Module with speaker
• Connecting cable

• The website of the manufacturer DFRobot FIT0449
• User manual WikiDoc
• Diagram of the module
• The melody of Arduino