Penrose Firmware Update

Just a quick video demonstrating the Penrose quantizer firmware update procedure. The firmware is can be updated by playing back a special audio file to the module. - connect an audio player (mobile phone, soundcard, mp3 player...) to the trigger in jack - hold down the top left button while turning the power on - the button will start to flash red, meaning the module is waiting for the new firmware. - press play on the audio player - if everything works, the LED should flash green during the update - once the file ends the quantizer will start with the new firmware. - If the LED turn to a solid red, the module cant read the audio file. Probably your volume is too low. - Press the button again to retry - Increase the playback volume - Play the file again For me my mobile phones volume is too low. so I have to use a mixer in between to amplify the signal.