Angled shot of a Arduino bootloader-programmed chip.
This is a preprogrammed Atmega328P chip, useful if you want to make your own Arduino-compatible or repair a damaged chip on an exisiting Arduino UNO, Duemilanove, Diecimila, or NG!
Out of Stock
Angled shot of a Adafruit METRO 328 Fully Assembled
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,...
Out of Stock
Arduino Pro Mini 328 - 5V/16 MHz
The Arduino Pro Mini is SparkFun's minimal design approach to Arduino.  It's essentially a 5v Arduino that runs an 16 MHz bootloader on a super small, super thin board....
$11.95
In Stock
Angled shot of rectangular microcontroller.
With this Feather we're getting a little nostalgic for the ATmega328P - the classic 'Arduino' chip - with this Adafruit Feather 328P running a 3.3V and 8 MHz. Feather is...
$12.50
In Stock
Overhead shot of long skinny black microcontroller connected to an OLED screen and a temperature-and-humidity sensor. The sensor data displays on the OLED.
One of our star development boards is the Adafruit METRO Mini 328, an excellent lil fellow that lets you make your Arduino-based project...
$14.95
In Stock
Angled shot of an assembled DC Boarduino (Arduino compatible) Kit on a white breadboard.
If you've ever struggled to use a solderless breadboard with an Arduino, you understand how frustrating it can be!This clone acts just like an Arduino, and works with the...
Discontinued