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  1. Parts
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  3. /Arduino boards

Adafruit Metro Mini 328 V2 - Arduino-Compatible - 5V 16MHz [STEMMA QT / Qwiic]

OverviewAlternates
Adafruit Metro Mini 328 V2 - Arduino-Compatible - 5V 16MHz [STEMMA QT / Qwiic] - Adafruit - 2590

One of our star development boards is the Adafruit METRO Mini 328, an excellent lil fellow that lets you make your Arduino-based project tiny. Recently we had to ...

Parts tray full · 5 max · remove a part to add another
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Offers

  • Adafruit$14.95
  • ?DigiKey$14.95
  • ?OpenCircuit€20.75
  • Pimoroni£15.00

Offers

  • Adafruit$14.95
  • ?DigiKey$14.95
  • ?OpenCircuit€20.75
  • Pimoroni£15.00

Pinout

Logical pinout · physical placement not verified
ADAFRUIT METRO MINI 323VD0D15VRSTVinArefGND

2 grouped connections are listed in the table but omitted from the graphic until individual pins are available.

  • 3V
    Type · PowerVoltage · 3V
  • 5V
    Type · PowerVoltage · 5V
  • Vin
    Type · PowerVoltage · 5-16V, 5-8V recommended
  • GND
    Type · GroundVoltage · 0V
  • D0D1
    Type · GPIOVoltage · 5V logic unless 3V selected
  • D2-D13
    Type · GPIOVoltage · 5V logic unless 3V selected
  • A0-A5
    Type · AnalogVoltage · 0-5V analog unless 3V selected
  • RST
    Type · ControlVoltage · active low
  • Aref
    Type · AnalogVoltage · external reference
PinTypeVoltage
3VPower3V
5VPower5V
VinPower5-16V, 5-8V recommended
GNDGround0V
D0D1GPIO5V logic unless 3V selected
D2-D13GPIO5V logic unless 3V selected
A0-A5Analog0-5V analog unless 3V selected
RSTControlactive low
ArefAnalogexternal reference
Logical pinout · physical placement not verified
ADAFRUIT METRO MINI 323VD0D15VRSTVinArefGND

2 grouped connections are omitted from the graphic until individual pins are available.

Pin details

9 connections
  1. 3V
    PowerVoltage · 3V
  2. 5V
    PowerVoltage · 5V
  3. Vin
    PowerVoltage · 5-16V, 5-8V recommended
  4. GND
    GroundVoltage · 0V
  5. D0D1
    GPIOVoltage · 5V logic unless 3V selected
  6. D2-D13
    GPIOVoltage · 5V logic unless 3V selected
  7. A0-A5
    AnalogVoltage · 0-5V analog unless 3V selected
  8. RST
    ControlVoltage · active low
  9. Aref
    AnalogVoltage · external reference

Arduino

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About 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.

View all 76
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