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normal and shutdown mode)
IO Expansion Shield is one of the market favourites
WPA/WPA2 TX Transmit Power 21
Backup battery trickle charging under software control
MP3 Player Module Serial to Ethernet normal and shutdown mode)MP3 Player Module MP3 Module is one of Elecfreaks self developed modules inspired by JQ6500 24SS MP3 chipset of Jiaqiang Electronics. It supports SD cards for FAT16, FAT32 file systems and SPI Flash updates via PC. Via some very simple serial commands to control music playback, it owns the characteristics of easy operation and stable performance. Additionally, with an external headphone (PH) and an external speaker (SP), the MP3 Module provides more
US$ 125.00
US$ 144.47