Firmware v1.73 for AR5 - May 2026

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Release Date: May 1st 2026

Models: AR5 and AR4

Download v1.73

What's New

  • Bat microphone testing added to main menu: Allows users to test if the ultrasonic bat microphone is working.

    • Use the DOC bat tester app to play a bat call.

    • Bat Test displays “Bat Detected” on the screen as soon as a bat call is detected, before writing to the SD card.

    • The LED flashes during writing to SD Card.

  • Automatic Hardware testing added to main menu: Users can now run a series of automated hardware tests the ensure each component of the audio pipeline are working .

    • Data EEPROM: Tests the memory hardware that stores protocol settings

    • Dsp EEPROM: Tests the memory hardware that stores DSP code

    • Rtc: Test the hardware connection to the hardware that stores and keeps time

    • Alarm: Tests whether the device will be able to wake up at start time specified by the next protocol

    • Battery: Brand new alkaline batteries should see 6v here. Never deploy if <4.5v

    • Dsp comms: Tests the connection to hardware that processes audio.

    • SD card - If a card is inserted it will test if it can save? Yes. Also tests if the card is formatted correctly.

    • Test switch - Press each of the buttons to test they are working.

    • Audio test low: Tests the connection to audio ADCs

    • Audio test high: Tests the connection to audio ADCs

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