Fermion - Voice Recorder Module - DFRobot DFR0745

A simpleto use and practical module withvoicerecorder manufactured byDFRobot. It allows the user to makemulti-segmentsound recordings. The module has a built-in16 MBmemory, which can store up to40 minutes ofrecordings. It has two function buttons and a USB type C connector.

• Controllable in 4 ways: through the Arduino board, using AT commands, using the function buttons on the module or through the ADKEY
• Allows multi-segment voice recording
• Ability to record and playback voice without using the controller
• Built-in 16 MB memory for up to 40 minutes of voice recordings
• USB Type C connector for connecting the module with a computer

The kit also includes two 1 x 6 goldpin strips - 2.54 mm raster.

Connection diagram of the module.DFRduinoboard and speaker are not included, they can be purchased separately in our shop.

• VIN - power pin from 3.3 V to 5 V
• GND - ground of the chip
• RX - UART data receive pin
• TX - UART data transmission pin
• SPK+ - speaker + output
• SPK- - speaker output
• PLAY - PLAY function button
• REC - REC function button
• KEY - ADAKY pinout
• DAC - DAC converter output
• MIC - microphone input pin

• Type: voice recorder
• Power supply range: from 3.3 V to 5 V
• Operating current: > 10 mA
• Memory: 16 MB
• Connector: USB type C (for data transfer to the computer)
• Built-in amplifier: 5 W
• Sampling frequency: 48 kbps
• Communication interface: UART
• Control: Arduino / AT commands / function keys / ADKEY
• Module dimensions: 26 x 30 mm

• Module with voice recorder - 1 pc.
• Goldpin strip 1 x 6 - 2,54 mm pitch - 2 pcs.

Module with voice recorder produced by DFRobot.

• Manufacturer's website: DFRobot DFR0745
• User guide
• DF1101SS technical documentation
• DF1101S library for Arduino IDE
• Circuit diagram
• Module dimensions