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Open Acoustic Devices

Audiomoth Dev v1.0.0

Audiomoth Dev v1.0.0


Regular price $89.99 USD
Regular price Sale price $89.99 USD
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AudioMoth Dev is the development version of the acoustic monitoring device AudioMoth® version 1.2.0 . 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.



  • 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 *Case not compatible when using an external mic
  • Micro-USB B port for power, configuration and for reprogramming the Flash
  • 5 separate JST-PH style headers for board-board/board-case integration
    • 2pin JST-PH header for connecting external power supplies (3.3V to 6V)
    • 2pin JST-PH header for powering external 3V boards or products from AudioMoth Dev – 3pin JST-PH header for external red and green LED’s
    • 3pin JST-PH header for an external switch
    • 4pin JST-PH header for multi-function 3V General Purpose I/O (GPIO)
    • 6-pin serial wire debug port
  • MicroSD card connector 

Audiomoth Dev top

Audiomoth Dev Bottom


Find all instructions, guides, and downloads on Open Acoustic Devices Website


AudioMoth in the News


  • Wall Street Journal - Better Data, Cheaper Tech Promise to Unlock Nature's Secrets
    • Article by Jackie Snow on how conservationists hope newly-launched open source tools will lend more insight into endangered species and the effects of climate change.
  • Journal of Open Hardware - Open hardware provides a better chance for scientific reproducibility
    • Article by Andrew Hill and Alasdair Davies.


  • BBC iPlayer - Inside the Bat Cave
    • BBC documentary showing AudioMoth being used to discover the secret world of one of the most endangered and least understood animals on earth – bats.
  • The Guardian - New sensor offers a window into the secret lives of Britain's rarest bats
    • Article by Phoebe Weston on how AudioMoth was used to identify 1.7 million bat calls.


  • BBC - Endangered bats: The manicure helping to save a species
    • Article by Helen Briggs with picture showing AudioMoth
  • WightLink - Wightlink helps to plot the journey of one of the Isle of Wight’s most special seasonal visitors Wight Link press release by Karen Woods where Adrian Bicker describes using AudioMoth to monitor bat migration
  • Silicon Labs - Open Acoustic Devices takes low power to new heights for wildlife conservation
    • Blog by Lance Looper describing how the Silicon Labs processor lowers the power for acoustic monitoring


  • Chinadialogue - Five technologies to save wildlife from traffickers
    • Article by Catherine Early introducing technology built in collaborations between conservationists and tech developers.
  • RSEC blog - Optimization of sensor deployment for acoustic detection and localization in terrestrial environments
    • Article and video introducing our recent paper on sensor optimization
  • Medium Article - Acoustic monitoring made affordable with AudioMoth
    • Article by Holly Baines discussing how AudioMoth is manufactured and supported at a low cost
  • Sparkfun Blog - Scaling Open-Source Conservation Technology
    • Article by Megan Arnold describing how AudioMoth has been scaled to enable global conservation projects
  • Mongabay Latam Article - Acoustic monitoring: a new system to fight against hunting and illegal logging
    • Article by Yvette Sierra Praeli describing how acoustic monitoring can be used to prevent poaching
  • Mongabay Article - ‘AudioMoth’ device aims to deliver low-cost, power-efficient monitoring of remote landscapes


  • WWF Conservation Technology - Acoustic Monitoring for Conservation and Ecological research
    • PDF report by WWF describing the guidelines of using acoustic monitoring, featuring a case study using AudioMoth
  • BES Press Release - Listening in: Acoustic monitoring devices detect illegal hunting and logging
    • Press release by Sabrina Weiss describing Evelyn Piña Covarrubia's presentation at the ‘Ecology Across Borders’ conference in Ghent
  • Oxford Sparks Podcast - Where have all the cicadas gone?
    • Podcast asking Prof Alex Rogers, Peter Prince and Andrew Hill: Where have all the cicadas gone?
  • New Scientist Article - Hanging on: In search of the bat that returned from the dead
    • Article by Ollie Wearn using AudioMoth to monitor the Cuban greater funnel-eared bat
  • Medium Article - Listening to the mountain: Using audio recorders to monitor forest birds in Kenya
    • Article by Ciira Maina using early prototypes of AudioMoth to monitor the forest birds in Kenya
  • New Scientist Article - Drones listen in on bats to reveal their in-flight secrets
    • Article by Chris Baraniuk using AudioMoth to monitor bats by drone
  • Journal of Animal Ecology Press - New technologies for listening to bats
    • Article by Simon Hoggart using AudioMoth to monitor bats in Madeira
  • BBC - The search for Britain's only native species of cicada
    • Article by Chris Baraniuk introducing an early version of AudioMoth to monitor the New Forest cicada

SD Card and AA Batteries are not included

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