Build a Motion-Detecting ‘Scream Box’ Without any Microcontroller or Code #ElectronicHalloween
Assemble this ‘Scream Box’ for Halloween (or just because!) and frighten trick-or-treaters when they approach your door or open the box; the PIR sensor will detect their heat presence and activate the circuit, which uses an Audio FX board that requires no microcontroller programming or code on your part. Just plug and…screaammmmm!!
Do you need a last minute Halloween decoration to scare your friends and trick-or-treaters? Try building a scream box that lets out blood-curdling screams when it’s opened! By using a passive infrared (PIR) motion sensor and an Audio FX board you can build this scream box without even using a separate microcontroller or writing any code!
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Ooo! I’m doing something similar, just one step more complex. The motion detector is hooked to an Arduino. When triggered, it plays sounds through the Sound Board via UART mode while also lighting up LEDs.
The LEDs are in three hollow jack-o-lanterns, lighting them up. The pumpkins are in a row, with stereo speakers at each end. By pre-panning sound clips to the left, center, or right, I can make the sound seem to come from any of the jack-o-lanterns, which are lit up appropriately to match the sound.