Hardware Features

  • Atmel® SAMD21E18A
    • ARM® Cortex®-M0+ based MCU running up to 48MHz
    • 256KB embedded Flash and 32KB SRAM
    • Low power consumption at <70µA/MHz
    • DMA and Event system
    • Four flexible serial communication modules (SERCOM)
    • Full-Speed USB Device and embedded Host
    • 10 Channels of 12-bit ADC ; 10-bit DAC
    • Hardware touch support
  • Micro-USB Connector
    • ESD Protection up to 5kV on USB+ and USB-
    • USB connector shield RC Filter
  • MCP1700 3.3V LDO Power
    • Extremely Low Operating Current for Longer Battery Life (1.6 uA typical)
    • Very Low Dropout Voltage (178 mV at full load)
    • Rated 250mA Output Current
    • High Output Voltage Accuracy (±0.4% typical)
    • Over-Current and Over-Temperature Protection
  • 32.768kHz Crystal
    • 32-Bit Real Time Clock and Calendar
  • Built in 4.7kOhm resistors for I2C interface
  • Built in Arduino LED
    • PIN_LED
    • PIN_BUILTIN
  • Built in WS2812B RGB LED
    • Uses Neopixel Arduino Library
    • Self-Contained Driver/RGB LED
    • Only requires one Arduino PIN
  • Built in RESET Button
    • Pulled up to stop unintended reset
    • Discharge safety circuitry / filtering capacitor
  • Built in user Button
    • ACTIVE High
    • Debounce Circuitry
  • Cortex Debug Header (10-Pin)
    • Device programming and debugging
  • 22 PINs on 2 protoboard spaced (0.1″) headers
  • USB SAM-BA (CDC) bootloader
  • Arduino Bootloader
  • Arduino 1.6.5+ Compatible
  • LEGO Minifigure Shaped board
    • Approximately 0.95×1.55 inches (24.21×39.32 mm)
    • 4-Layer, High Quality PCB