Technical Specs
- Microcontroller: Atmel ATSAMD21E17A ARM Cortex M0+
- Clock speed: 48 MHz
- Operating voltage: 3.3V
- I/O pin limits: 3.3V, 7 mA
- Digital I/O pins: 12 (10 w/ PWM) + 2 I2C pins
- Analog input pins: 3, 12-bit ADC channels
- Analog output pins: 1, 10-bit DAC
- Flash memory: 128 KB
- SRAM: 16 KB
- Voltage regulator: TLV702 (3.7V - 5.5V in / 3.3V, 300mA out)
- PCB Dimensions: 1.3 x 1.3" (33mm x 33mm)
- Display : 96x64 16-bit color 0.95" (24mm) OLED w/ SSD1331 driver