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ESP32 Audio Development Framework development board
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HARDWARE/ESP32-ADF Rev.B add pdf schematic Jul 18, 2019


ESP32 Audio Development Framework development board

ESP32-ADF product page

ESP32-ADF board has these features:

  • ESP32-WROVER-B module with 8MB PSRAM, 4MB Flash
  • Stereo codec and Audio Amplifier 2x3W
  • Stereo Microphones
  • Audio out 3.5mm jack
  • UEXT connector for sensors and LCDs
  • Lipo battery charger
  • USB connector and programmer
  • Four touch buttons, 3 tactile buttons
  • power supply Jack for +5V 1A


  • Hardware is with CERN OHL v1.2 license
  • Software is with GPL3 license
  • Documentation is with CC BY-SA 4.0 license
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