11/24/2023 0 Comments Spi programmer blackcatI have one version that plays only a dog barking when the PIR interrupt is triggered this might be used as an alarm/deterrent. It could easily be modified to play different WAV files in different ways. The real utility in this Instructable, I think, is the code itself. Here is the crimping tool I used and the dupont crimp pin assortment: Making the development cables would probably be challenging for a beginner. This version of the code randomly plays sixteen different 'scary' WAV files (from a SPI Micro SD card reader) when a PIR sensor is triggered. The prototype board used was developed in this Instructable: Halloween sound effects prototype using Atmega328 microprocessor, Arduino IDE and SparkFun AVR programmer.
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