EMW3166 Wi-Fi module with 256K SRAM，1M+2M Byte SPI Flash DAP Link emulator Micro USB 3.3V DC-DC, maximum current 1.5A Codec, with microphone and earphone socket
ARM Cortex M4F (with HW floating point acceleration) running at 64MHz 1MB flash and 256KB SRAM Native Open Source USB stack??? pre-programmed with UF2 bootloader Bluetooth Low Energy compatible 2.4GHz radio FCC / IC / TELEC certified module
ATSAMD21G18 @ 48MHz with 3.3V logic/power 256KB of FLASH + 32KB of RAM 32.768 KHz crystal for clock generation & RTC 3.3V regulator with 500mA peak current output Comes with a USB bootloader and serial port debugging
ATSAMD21G18 @ 48MHz with 3.3V logic/power 256KB of FLASH + 32KB of RAM 3.3V regulator with 500mA peak current output USB bootloader and serial port debugging Built-in 100mA lipoly charger with charging status indicator LED
ATSAMD21G18 @ 48MHz with 3.3V logic/power 256KB of FLASH + 32KB of RAM 3.3V regulator with 500mA peak current output USB bootloader and serial port debugging Built-in 100mA lipoly charger with charging status indicator LED
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