Believe it or not, this board is a small development system. It barely fits on your finger, but it features ATmega328, USB-UART, reset circuit and LED indicators. It’s compatible with standard DIP26 sockets. On-board voltage regulator allows the board to be powered directly from USB cable. It comes in two versions: 5V and 3.3V. 5V version features 16MHz SMD crystal oscillator while 3.3V version contains 8MHz oscillator. Both come preprogrammed with fast UART bootloader with 57600 bps operation, so no external programmers are needed for development.

Technical Specifications


Having 32Kb flash and 2Kb of RAM memory, this board is suitable to be the brains of your mobile devices, robots, autonomous vehicles and many other.

Key features

  • ATmega328 device with 32K of Flash and 2K of RAM memory.
  • USB-UART on board for easy communication and programming.
  • Choose between 3.3V and 5V board versions.
  • Compatible with standard DIP sockets for easier integration.

Key Benefits

  • Board is preprogrammed with an open source bootloader from AVRdude which is the same one used in Arduino.
  • Affordable price makes it a great choice for student projects.

Operating Voltage

Board comes in two versions: 5V and 3.3V. So, no matter what device you are developing and what powering options you decide to implement, you have the appropriate solution with MINI-AT board. - Secure Online Payments

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We deliver our products to all countries in the world using following shipping options:

DHL Express Delivery

DHL Express: $25.00 USD for up to 5 Kg, usually arrives in 2-4 business days.

Post Office Delivery

Post Office $25.00 USD for up to 5 Kg, usually arrives in 7-12 business days.

Note: Please contact local office of the chosen courier about delivery service and possible additional charges.

CUSTOMIZATION: We can modify our products to suit your requirements, click here for details.


MINI-AT Board - 5V

$18.00 USD

Kupi Odmah!
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MINI-AT Board - 3.3V

$18.00 USD

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Added to cart!