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Adafruit Feather M0 Adalogger
AdafruitATSAMD21G18
The Adafruit Feather M0 Adalogger is a portable microcontroller board with built-in USB and battery charging.
In stock
Specifications
1- Operating Voltage
- 3.3V logic, 48 MHz clock speed, 256KB flash, 32KB RAM, 20 GPIO pins, 8 PWM pins, 10 analog inputs, 100mA LiPoly charger with status LED, 2 mounting holes, reset button, 2x10 pin header for soldering in plain headers or socket female headers, SWCLK & SWDIO pads for programming the chip, battery and USB power options, measures 51mm x 23mm x 8mm (without headers), weighs 5.3 grams.
Pinout
21| Pin | Name | Functions | Notes |
|---|---|---|---|
| BAT | Battery Power | POWER | Positive voltage to/from the JST jack for the optional LiPoly battery |
| USB | USB Power | POWER | Positive voltage to/from the micro USB jack if connected |
| EN | Enable Pin | GND | 3.3V regulator's enable pin, pull-up to ground to disable the 3.3V regulator |
| 3V | 3.3V Regulator Output | POWER | Output from the 3.3V regulator, can supply 500mA peak current |
| 0 / RX | Serial1 Receive | GPIOUART | Receive pin for Serial1 (hardware UART), also analog input A7 |
| 1 / TX | Serial1 Transmit | GPIOUART | Transmit pin for Serial1, also analog input A7 |
| 20 / SDA | I2C Data | GPIOI2C | I2C (Wire) data pin, no pull-up by default |
| 21 / SCL | I2C Clock | GPIOI2C | I2C (Wire) clock pin, no pull-up by default |
| 5 | General Purpose I/O 5 | GPIO | |
| 6 | General Purpose I/O 6 | GPIO | |
| 9 | General Purpose I/O 9 | PWMADCGPIO | Analog input A7, connected to a voltage divider for the LiPoly battery |
| 10 | General Purpose I/O 10 | GPIO | |
| 11 | General Purpose I/O 11 | GPIO | |
| 12 | General Purpose I/O 12 | GPIO | |
| 13 | General Purpose I/O 13 | PWMGND | Connected to the red LED next to the USB jack |
| A0 | Analog Input A0 | ADCPWM | Analog output due to having a DAC, can set raw voltage from 0 to 3.3V |
| A1 | General Purpose I/O A1 | GPIOADC | |
| A2 | General Purpose I/O A2 | GPIOADC | |
| A3 | General Purpose I/O A3 | GPIOADC | |
| A4 | General Purpose I/O A4 | GPIOADC | |
| A5 | General Purpose I/O A5 | GPIOADC |
Interactive pinout
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ATSAMD21G18
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