Adafruit 2488
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  • Adafruit 2488
  • Adafruit 2488
  • Adafruit 2488
ID: 558281
zł103.18
Tax included

zł83.89 tax excl.

Based on the versatile ATmega328, the Metro Mini packs 32KB Flash, 2KB RAM, a clock speed 16Mhz and the Optiboot bootloader. The slick black and gold unit includes 20 GPIO pins. Adafruit 2488 

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Adafruit 2488 - Adafruit METRO 328 with Headers - ATmega328

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 isnt 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.  Its a fully assembled and tested board with SMT headers attached as well as through hole headers.  If you dont 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. Theres also 6 PWMs available on 3 timers (1 x 16-bit, 2 x 8-bit). Theres 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, theres 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!

Specifications

  • 53mm x 71mm / 2.1" x 2.8"
  • Height (w/ barrel jack): 13mm / 0.5"
  • Weight: 19g
558281

Data sheet

Microcontroller
ATmega328
Core
AVR
Frequency
16MHz
Flash memory
32kB
RAM
2kB
EEPROM memory
1kB
Number of digital pins
20
Number of PWM channels
6
Ilość wejść analogowych
6
ADC
1x 10bit
DAC
none
CAN
none
USB
1
Ethernet
none
WiFi/BT module
No
Bluetooth module
No
GSM/GPRS module
No
Logic voltage
5 V
MicroSD slot
No
Supply voltage min
7
Supply voltages max
9

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