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  1. Parts
  2. /Audio
  3. /Audio boards

Gravity: Text to Speech Voice Synthesizer Module V2.0 (English / Chinese)

OverviewWiringAlternates
Gravity: Text to Speech Voice Synthesizer Module V2.0 (English / Chinese) - DFRobot - DFR0760

Bilingual English/Chinese text-to-speech synthesizer module with built-in speaker, I2C and UART interfaces, for natural speech output in embedded projects.

Parts tray full · 5 max · remove a part to add another
Gravity: Text to Speech Voice Synthesizer Module V2.0 (English / Chinese) — DFRobot — DFR0760

Offers

  • DFRobot$26.90
  • ?DigiKey$26.90

Offers

  • DFRobot$26.90
  • ?DigiKey$26.90

Pinout

Logical pinout · physical placement not verified
GRAVITY: TEXT TO SPEECVCCSCLGNDRXSDATX
  • VCC
    Type · Power
  • GND
    Type · Ground
  • SDA
    Type · I2C
  • SCL
    Type · I2C
  • RX
    Type · UART
  • TX
    Type · UART
PinType
VCCPower
GNDGround
SDAI2C
SCLI2C
RXUART
TXUART
Logical pinout · physical placement not verified
GRAVITY: TEXT TO SPEECVCCSCLGNDRXSDATX

Pin details

6 connections
  1. VCC
    Power
  2. GND
    Ground
  3. SDA
    I2C
  4. SCL
    I2C
  5. RX
    UART
  6. TX
    UART

Start wiring

UART · I2S · Module

Confirm the data interface matches your host board.

Module pins: VCC, GND, SDA, SCL, RX, TX. Schematik maps them to your board in the app.

Audio boards

50 other options

Adafruit Audio FX boards and WAV Trigger for standalone playback, DFPlayer Pro and Gravity MP3 for MCU-scripted audio, EasyVR for speech recognition, Fermion/Gravity voice recorders, and Pi I2S DAC/codec boards.

View all 50
  • Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger 16MB Flash visual preview

    Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger 16MB Flash

  • Adafruit Audio FX Sound Board - WAV/OGG Trigger with 2MB Flash visual preview

    Adafruit Audio FX Sound Board - WAV/OGG Trigger with 2MB Flash

  • Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger -16MB visual preview

    Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger -16MB

  • Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi - Mini Kit visual preview

    Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi - Mini Kit

  • Adafruit Music Maker FeatherWing - MP3 OGG WAV MIDI Synth Player visual preview

    Adafruit Music Maker FeatherWing - MP3 OGG WAV MIDI Synth Player

  • Adafruit PCM5100 I2S DAC with Line Level Output visual preview

    Adafruit PCM5100 I2S DAC with Line Level Output

    $3.95
  • Adafruit PCM5102 I2S DAC with Line Level Output visual preview

    Adafruit PCM5102 I2S DAC with Line Level Output

    $4.95
  • Adafruit PCM5122 I2S DAC with Line Level Output visual preview

    Adafruit PCM5122 I2S DAC with Line Level Output

    $7.50
  • Adafruit TLV320DAC3100 I2S DAC with Headphone and Speaker Out visual preview

    Adafruit TLV320DAC3100 I2S DAC with Headphone and Speaker Out

    $6.95
  • ASR Board for Arduino visual preview

    ASR Board for Arduino

  • Audio Adaptor Board for Teensy 3.0 - 3.6 visual preview

    Audio Adaptor Board for Teensy 3.0 - 3.6

    ?
  • Audio Adaptor Board for Teensy 4.0 visual preview

    Audio Adaptor Board for Teensy 4.0

    ?

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Buzzers & speakers

Passive speakers from 1 W to 20 W (4–8 Ω), piezo buzzers active and passive, bone-conductor and surface transducers, and a BOSON buzzer module — all need a matching driver circuit or amplifier.

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6+1 Microphone Array visual preview

Microphones

MAX4466 and MAX9814 electret preamp breakouts for analog audio, I2S MEMS mics (ICS-43434, SPH0645LM4H, INMP441) for digital audio, PDM breakouts, ReSpeaker arrays for far-field pickup, and an LM386 sound detector.

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Amplifiers

MAX98357A and MAX98357 I2S class-D amps, PAM8403 and TPA2012 analog stereo amps, MAX9744 20W stereo amp, LM386 and PAM8302 mono amps, and discrete op-amp packs for signal-level work.

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1.75mm PLA (1kg) - Black visual preview

3D printing

DFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.

Tools & prototyping · 3D printing · 53 parts