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Adafruit Industries Adafruit Metro 328 without Headers

Art-Nr 5998453
 approx. 3-5 days Currently 5 piece(s) in stock at the supplier

Availability

  • approx. 3-5 days
    Currently 5 piece(s) in stock at the supplier

If ordered immediately.
Information subject to change.

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Description

We sure love the ATmega328 here at Adafruit, and we use them a lot for
our own projects. The processor has plenty of GPIO, Analog inputs,
hardware UART SPI and I2C, timers and PWM galore - just enough for
most simple projects. When we need to go small, we use a Pro Trinket
3V or 5V, but when size isn't as much of a concern, and a USB-serial
converter is required, we reach for an Adafruit METRO.

METRO is the culmination of years of playing with AVRs: we wanted to
make a development board that is easy to use and is hacker friendly.

* ATmega328 brains - This popular chip has 32KB of flash (1/2 K is
reserved for the bootloader), 2KB of RAM, clocked at 16MHz
* Power the METRO with 7-9V polarity protected DC or the micro USB
connector to any 5V USB source. The 2.1mm DC jack has an on/off switch
next to it so you can turn off your setup easily. The METRO will
automagically switch between USB and DC.
* METRO has 20 GPIO pins, 6 of which are Analog in as well, and 2 of
which are reserved for the USB-serial converter. There's also 6 PWMs
available on 3 timers (1 x 16-bit, 2 x 8-bit). There's a hardware SPI
port, hardware I2C port and hardware UART to USB.
* GPIO Logic level is 5V but by cutting and soldering closed a
jumper, you can easily convert it to 3.3V logic
* USB to Serial converter, there's a hardware USB to Serial
converter that can be used by any computer to listen/send data to the
METRO, and can also be used to launch and update code via the
bootloader
* Four indicator LEDs, on the front edge of the PCB, for easy
debugging. One green power LED, two RX/TX LEDs for the UART, and a red
LED connected to pin PB5
* Easy reprogramming, comes pre-loaded with the Optiboot bootloader,
which is supported by avrdude and only uses 512 bytes.
* Beautiful styling by PaintYourDragon and Bruce Yan, in Adafruit
Black with gold plated pads.
* Works with all Adafruit designed shields!

This version of the METRO 328 comes as a fully assembled and tested
development board but without any headers attached. We do include some
through-hole headers that you can solder on if you like, or you can
solder wires or header directly to the breakout pads. We also include
4 rubber bumpers to keep it from slipping off your desk

Technical Details

Detailed specifications:

* ATmega328 microcontroller with Optiboot (UNO) Bootloader
* USB Programming and debugging via the well-supported genuine FTDI
FT231X
* Input voltage: 7-9V (a 9VDC power supply is recommended)
* 5V logic with 3.3V compatible inputs, can be converted to 3.3V
logic operation
* 20 Digital I/O Pins: 6 are also PWM outputs and 6 are also Analog
Inputs
* 6-pin ICSP Header for reprogramming
* 32KB Flash Memory - 0.5K for bootloader, 31.5KB available after
bootloading
* 16MHz Clock Speed
* Compatible with "Classic" and "R3" Shields
* Adafruit Black PCB with gold plate on pads
* 53mm x 68.5mm / 2.1" x 2.7"
* Height (w/ barrel jack): 13mm / 0.5"
* Weight: 16.5g
* Derivative of "Arduino UNO R3 Reference design"
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Specifications

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General information

Manufacturer Adafruit Industries
Product type Electronics module
Item number5998453
Manufacturer no.ada-2466

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Warranty & right to return

Warranty 24 month Bring-in

Limited right of return

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Availability

Mail delivery

 Expected delivery time: approx. 3-5 days
Currently 5 piece(s) in stock at the supplier

Collection

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 Expected delivery time: approx. 3-5 days
Currently 5 piece(s) in stock at the supplier

If ordered immediately.
Information subject to change.

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Adafruit Industries Adafruit Metro 328 without Headers Adafruit Industries Adafruit Metro 328 without Headers