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Open Acoustic Devices

AudioMoth Dev (Group Order - Round 2)

AudioMoth Dev (Group Order - Round 2)


Regular price $89.99 USD
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AudioMoth Dev is the development version of the acoustic monitoring device AudioMoth®. This full-spectrum acoustic development board is based on the Gecko processor range from Silicon Labs and uses JST-PH headers to expose useful peripherals for modular expansion. AudioMoth Dev is intended for deployment with an external battery pack, no battery pack is included.


  • Power socket (JST-PH) supporting 3.7 - 6V batteries
  • All controls, indicators and IO ports broken out to JST-PH style headers
  • 3.5 mm jack socket for external electret condenser microphones
  • Compatible with all AudioMoth software


  • One AudioMoth Dev v1.0.1


AudioMoth Dev Features

  • Silicon Labs Wonder Gecko microcontroller
    • 48MHz 32-bit processor
    • DSP instruction support and floating-point unit
    • 256kB Flash
    • 32kB RAM plus an extra 256kB of external SRAM
  • On-board analog MEMS microphone, Sensitivity -38 dBV/Pa, 63 dBA SNR, 10Hz to
  • 192kHz
  • Sample rates up to 384kHz
  • 3.5 mm jack socket for external electret condenser microphones
  • Micro-USB B port for power, configuration and for reprogramming the Flash
  • 5 separate JST-PH style headers for board-board/board-case integration
  • 2-pin JST-PH header for connecting external power supplies (3.3V to 6V)
  • 2-pin JST-PH header for powering external 3V boards or products from AudioMoth Dev
  • – 3pin JST-PH header for external red and green LED’s
  • 3-pin JST-PH header for an external switch
  • 4-pin JST-PH header for multi-function 3V General Purpose I/O (GPIO)
  • 6-pin serial wire debug port
  • MicroSD card connector
  • Datasheet: GitHub - Audiomoth Dev Datasheet

Audiomoth Dev top

Audiomoth Dev Bottom

Export Information

  • AudioMoth HTSUS 8519.81.25.00, Country of Origin: United Kingdom, ECCN EAR99

About Open Acoustic Devices

Open Acoustic Devices designs, supports, and deploys open-source acoustic hardware and software for our user community, as well as our own environmental and wildlife monitoring projects.

Their main product is AudioMoth, a low-cost, open-source acoustic monitoring device which has been used in multiple applications, including automating the search for an elusive insect species, monitoring poaching by gunshot and listening for ultrasonic bat calls.

Their goal is to improve the accessibility and usability of acoustic technology for conservation using open-science. 

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