Make a DFPlayer Mini MP3 Player dog barking machine, to scare burglars. Make a burglar scare that plays dog bark sound when somebody walk infront of the motion-detector. It will play 30 seconds after ...
See examples/playfolder.js for usage. Since DFPlayer mini requires heavy output to run, power cannot be supplied from Obniz board. So in the following wiring example, batteries are used to supply ...
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