From the 973 Hz tone that only lasts 25 ms to the continuous 500 Hz “woodpecker”, every element of the sound was meticulously recreated in his Arduino code. The Arduino Pro Mini used to ...

Written by Limor Fried/Ladyada & Kevin Townsend for Adafruit Industries. BSD license, check license.txt for more information All text above must be included in any redistribution To install, use the ...