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Adafruit METRO 328 with Headers - ATmega328
Adafruit METRO 328 with Headers - ATmega328Adafruit METRO 328 with Headers - ATmega328Adafruit METRO 328 with Headers - ATmega328Adafruit METRO 328 with Headers - ATmega328Adafruit METRO 328 with Headers - ATmega328Adafruit METRO 328 with Headers - ATmega328Adafruit METRO 328 with Headers - ATmega328Adafruit METRO 328 with Headers - ATmega328

Adafruit METRO 328 with Headers — ATmega328

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  • 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 an USB-serial converter is required, we reach for an Adafruit METRO.

    This is the Adafruit METRO with headers.  It comes with headers soldered on.  It’s a fully assembled and tested board with SMT headers attached as well as through hole headers.  If you don’t want a Metro with through-hole headers or at least, holes for them, but not attached for super-slimness, check out our Metro without Headers.

    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. At the heart is an ATmega328P, with 32KB of flash and 2KB of RAM, running at 16 MHz

    • 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 19 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. 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.
    • Works with all Adafruit shields!

    We also include 4 rubber bumpers to keep it from slipping off your desk. Metro shown with our 12x capacitive touch shield attached just to demonstrate the headers, but that shield is not included!

  • Технические данные

    • 53mm x 71mm / 2.1″ x 2.8″
    • Height (w/ barrel jack): 13mm / 0.5″
    • Weight: 19g

Adafruit METRO 328 with Headers - ATmega328

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