Surilli Basic M0 32 bit Microcontroller Baord
Sepcifications
Measures 62mm x 23mm x 8mm without headers soldered in
Light weight - 4.5 grams
ATSAMD21G18 @ 48MHz with 3.3V logic/power
256KB of FLASH + 32KB of RAM
No EEPROM
32.768 KHz crystal for clock generation & RTC
3.3V regulator with 500mA peak current output
USB native support, comes with USB bootloader and serial port debugging
Available pins - 20 GPIO pins
Hardware Serial, hardware I2C, hardware SPI support
PWM outputs on all pins
6 x 12-bit analog inputs
1 x 10-bit analog output (DAC)
Built in 100mA li/poly charger with charging status indicator LED
Pin #13 red LED for general purpose blinking
Power/enable pin
4x2 power pins header
2 mounting holes
Reset button