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Metro M0 Express
AdafruitATSAMD21G18
Metro M0 Express is a microcontroller board with an ATSAMD21G18 ARM Cortex M0+ processor, designed for use with CircuitPython and Arduino IDE.
In stock
Specifications
7- Mcu
- ATSAMD21G18 @ 48MHz with 3.3V logic/power
- Flash
- 256KB KB
- Ram
- 32KB KB
- Gpio Count
- 25
- Operating Voltage
- 7-9V or 5V USB
- Logic Level
- 3.3V
- Dimensions
- 2.8" x 2.1" x 0.28"
Pinout
10| Pin | Name | Functions | Notes |
|---|---|---|---|
| 0 | RX | GPIO | Serial1 receive |
| 1 | TX | GPIO | Serial1 transmit |
| 2-12 | GPIO #2-#12 | GPIOPWM | General purpose GPIO, some can act as PWM outputs |
| 13 | LED | GPIO | Red LED for general purpose blinking |
| A0-A5 | Analog Inputs #A0-#A5 | ADC | Analog inputs and digital I/O pins |
| 36 | MISO | SPI | SPI MISO pin |
| 37 | MOSI | SPI | SPI MOSI pin |
| 38 | SCK | SPI | SPI SCK pin |
| 39 | CS | SPI | SPI Chip Select pin |
| 40 | NEOPIXEL | PWM | NeoPixel RGB LED connected to SPI Flash |
Interactive pinout
Highlight:
ATSAMD21G18
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