DFRobot Gravity: Speech Synthesis Module

DFRobot Gravity: Speech Synthesis Module

DFRobot Gravity: Speech Synthesis Module converts lines of code into speech and supports both English and Chinese languages. This module operates from 3.3V to 5V power supply range, -40°C to 85°C operating temperature range, <50mA operating current, and 5%RH to 85%RH operating humidity range. The speech synthesis module features I2C and UART communication modes, gravity interface, and is compatible with most main controllers. This module is used in applications such as robot voice, voice broadcast, voice prompt, and text reading.


  • Support Chinese, English, and mixed reading in Chinese and English
  • Comes with a Speaker
  • Gravity I2C/UART Communication
  • Support multiple text control identifiers


  • 3.3V to 5V power supply range
  • -40°C to 85°C operating temperature range
  • 5%RH to 85%RH operating humidity range
  • <50mA operating current
  • 0x40 I2C address
  • 37mm x 32mm dimension

more information: https://www.dfrobot.com/product-2234.html

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About mixos

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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