the music will be stored inside a externalMicro Mini SD Storage Expansion Boardto different playlists. Maybe like that:Playlist 1 in folder "ACDC",Playlist 2 in folder "Metallica"(using SPI protocols) Steps: Co
If a system requires a new node, you can simply “clip it on” to the existing shared SDA and SCL lines. When you’re dealing with multiple nodes, this method simplifies wiring requirements dramatically. You can use either a 7-bit system or a 9-bit system to address I2C devices, th...
Low frequency RFID: Its range is in between 30 kHz to 500 kHz but the exact frequency used by it is 125 kHz. Its detection range is 10 -15 cm. High frequency RFID: Its range is in between 3 MHz to 30 MHz, the exact frequency used by the module is 13.56 MHz. Its detection range...