In this project we will use a DFMini Player module
The DFMini Player module is a small musicplayer,lowcost and low power that has the purpose of reproducing sounds stored on a memory card.
Based on this, the module can be controlled via the standalone mode, that is, in this mode, there will only be the DFMini module, a battery to power, the speaker, buttons to control it and the SD Card with the songs.
The bells and flashing lights will be controlled by IR sensors on each end of the crossing.
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