3505

Adafruit
485-3505
3505

Mfr.:

Description:
Development Boards & Kits - ARM METRO M0 Express for CircuitPython

More Information
Learn more about Adafruit 3505

Product Attribute Attribute Value Select Attribute
Adafruit
Product Category: Development Boards & Kits - ARM
Metro
Development Boards
ARM Cortex M0+
ATSAMD21G18
Brand: Adafruit
Data Bus Width: 32 bit
Dimensions: 71 mm x 53 mm x 13 mm
Interface Type: I2C, SPI, USB
Operating Supply Voltage: 3.3 V
Product Type: Development Boards & Kits - ARM
Factory Pack Quantity: 1
Subcategory: Development Tools
Unit Weight: 20 g
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Attributes selected: 0

Compliance Codes
CNHTS:
8543709990
CAHTS:
8471500090
USHTS:
8471500150
JPHTS:
847150000
TARIC:
8471500000
MXHTS:
8471500100
ECCN:
EAR99
Origin Classifications
Country of Origin:
Hong Kong
Assembly Country of Origin:
Not available
Country of Diffusion:
Not available
The country is subject to change at the time of shipment.

METRO M0 Express

Adafruit METRO M0 Express is an upgrade from the original METRO 328 and features an ATSAMD21G18 ARM Cortex MO+ chip instead of the ATmega328. The ATSAMD21G18 ARM Cortex M0 processor is clocked at 48MHz and has 3.3V logic, the same as in the Arduino Zero. This chip has 256K of FLASH (8x more than the Atmega328) and 32K of RAM (16x as much). This chip comes with a built-in USB so it has USB-to-Serial program and debug capability with no need for an FTDI-like chip. CircuitPython is based on the open-source MicroPython that brings the popular Python language to microcontrollers. CircuitPython is a full-featured version of the popular Python programming language for use with circuitry and electronics. The METRO is powered with 7-9V polarity protected DC or the micro USB connector to any 5V USB source. The METRO will automagically switch between USB and DC. 

In Stock: 33

Stock:
33
Can Ship Immediately
On Order:
8
Expected 9/7/2026
Factory Lead-Time:
1
Week Estimated factory production time for quantities greater than shown.
Minimum: 1   Multiples: 1
Unit Price:
₡-,--
Ext. Price:
₡-,--
Est. Tariff:

Pricing (CRC)

Qty. Unit Price
Ext. Price
₡12 985,61 ₡12 985,61

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