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General| Operating Voltage | 3.3V |
|---|---|
| Input Voltage (limit) | 6-21V |
| Digital I/O Pins | 14 |
| Analog Output Pins | 1 (DAC) |
| DC Current per I/O Pin | 7 mA |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| Clock Speed | 48 MHz |
| LED_BUILTIN | 13 |
| Length | 45 mm |
| Width | 18 mm |
| Weight | 5 g |
| UART | 1 |
| SPI | 1 |
| I2C | 1 |
| Microcontroller | SAMD21 Cortex®-M0+ 32bit low power ARM MCU |
| PWM Pins | 11 |
| Analog Input Pins | 8 |
| Wi-Fi | Yes (802.11 b/g/n) |
| Bluetooth | Yes (Bluetooth 4.2) |
| IMU | LSM6DS3 |
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