Arduino-UNO-footprint board with the NXP iMX RT1011 Cortex-M7 at 500 MHz, 8 MB QSPI flash, 128 KB SRAM, SPI-connected microSD, STEMMA QT, USB-C (TinyUF2), and a 6–12 V barrel jack. Does not support Arduino IDE; use CircuitPython or MCUXpresso.
USB-C port used for powering and programming the Metro M7 1011.
5.5 mm/2.1 mm centre-positive DC input for board power.
Output from the 3.3V regulator.
Output from the 5V regulator when DC jack is used, or from USB.
Common ground for all power and logic.
Higher of the DC jack or USB voltage.
GPIO D0 and UART receive input.
GPIO D1 and UART transmit output.
General purpose digital GPIO pins.
GPIO D13 connected to the red LED marked D13.
I2C data pin with 10K pull-up to 3V already installed.
I2C clock pin with 10K pull-up to 3V already installed.
True analogue output A0.
Analogue inputs as well as digital I/O pins.
Hardware SPI pins, connected to the 2x3 header on the right hand side.
microSD card SPI chip-select pin.
microSD card-detect pin.
JST SH 4-pin STEMMA QT connector breaks out I2C: SCL, SDA, 3.3V and GND.
On-board addressable RGB NeoPixel LED available as board.NEOPIXEL.
Green power LED above the USB-C port, labelled ON.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| USB-C port | power data | USB-C port used for powering and programming the Metro M7 1011. | ||
| DC jack | power | 5.5 mm/2.1 mm centre-positive DC input for board power. | Provide about 6V-12V here to power the Metro M7 1011. | |
| 3.3V | power | Output from the 3.3V regulator. | 3.3V, can supply 500mA peak. | |
| 5V | power | Output from the 5V regulator when DC jack is used, or from USB. | 5V, about 500mA peak from USB and about 800mA peak from DC. | |
| GND | ground | Common ground for all power and logic. | 0V reference | |
| VIN | power | Higher of the DC jack or USB voltage. | If DC jack is 9V then VIN is 9V; if only USB is connected this is 5V. | |
| D0 / RX | signal | GPIO D0 and UART receive input. | ||
| D1 / TX | signal | GPIO D1 and UART transmit output. | ||
| D2-D12 | signal | General purpose digital GPIO pins. | ||
| D13 | signal | GPIO D13 connected to the red LED marked D13. | ||
| SDA | signal | I2C data pin with 10K pull-up to 3V already installed. | Pulled up to 3V. | |
| SCL | signal | I2C clock pin with 10K pull-up to 3V already installed. | Pulled up to 3V. | |
| A0 | signal | True analogue output A0. | Raw voltage can be set from 0V to 3.3V. | |
| A1-A5 | signal | Analogue inputs as well as digital I/O pins. | ||
| SCK / MOSI / MISO | signal | Hardware SPI pins, connected to the 2x3 header on the right hand side. | ||
| SD_CS | signal | microSD card SPI chip-select pin. | ||
| SD_CD | signal | microSD card-detect pin. | ||
| STEMMA QT | connector | JST SH 4-pin STEMMA QT connector breaks out I2C: SCL, SDA, 3.3V and GND. | 3.3V power on the STEMMA QT connector. | |
| NEO | indicator | On-board addressable RGB NeoPixel LED available as board.NEOPIXEL. | ||
| ON LED | indicator | Green power LED above the USB-C port, labelled ON. |
USB · 3.3 V
Confirm the data interface matches your host board.
Module pins: DC jack, 3.3V, 5V, VIN, GND, D0 / RX, D1 / TX, D2-D12. Schematik maps them to your board in the app.
Specialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.
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