A-Star 32U4 Micro

Pololu item #: 3101 794 in stock

Price break Unit price (US$)
1 12.75
5 11.25
25 9.95
100 8.95


backorders allowed

The A-Star 32U4 Micro is a tiny programmable module featuring Atmel’s ATmega32U4 microcontroller. It packs a Micro-USB interface and 18 digital input/output pins (of which 7 can be used as PWM outputs and 8 as analog inputs) onto a board measuring only 1″ × 0.6″ and ships preloaded with an Arduino-compatible bootloader.

 Description Specs (12) Pictures (10) Resources (24) FAQs (0) On the blog (10) 
  • Line-following robot and mini-sumo main board from tdrobótica.co

    Line-following robot and mini-sumo main board from tdrobótica.co

    by Ryan - 30 March 2017

    One of our distributors in Colombia, tdrobótica.co, has developed a line-following robot kit and a mini-sumo main board kit. The first kit includes...

  • “Knock knock unlock” puzzle box

    “Knock knock unlock” puzzle box

    by Claire - 1 December 2016

    With the holiday season upon us, many are on the hunt for interesting projects that we can give as gifts. This year, why not make your project...

  • Brandon's mini sumo robot: Black Mamba

    Brandon's mini sumo robot: Black Mamba

    by Brandon - 28 October 2015

    Before I started designing my entry into this year’s LVBots mini sumo competition, I watched several videos of other competitions. I noticed a...

  • GPS puzzle box

    GPS puzzle box

    by Claire - 18 March 2015

    Forum user Bob Day shared his GPS puzzle box, which uses an A-Star 32U4 Micro, USGlobalSat EM-506 GPS Receiver, servo, and LCD to open a box only at...

  • Get any A-Star for only $8 with orders over $100!

    Get any A-Star for only $8 with orders over $100!

    by Paul - 25 July 2014

    We are having a summer promotion to celebrate the introduction of the A-Star Minis: on orders over $100, get any A-Star for only $8 with coupon...

  • The Manufacturing of A-Star 32U4 Micro

    The Manufacturing of A-Star 32U4 Micro

    by Ryan - 17 July 2014

    We recently released the A-Star 32U4 Micro, which we think is the best available AVR breakout board for its size. If you are like us, you enjoy...

  • Geiger counter using A-Star

    Geiger counter using A-Star

    by Claire - 25 June 2014

    The inside of the Geiger counter. The home-made Geiger counter featured in this post by forum user bob_day uses an A-Star 32U4 Micro, LND 7313...

  • New products: Adafruit NeoPixel rings

    New products: Adafruit NeoPixel rings

    by Ben - 13 June 2014

    Continuing with our recent LED product line expansion, we now offer several of Adafruit’s NeoPixel rings. These addressable RGB LED rings are...

  • Get a free A-Star 32U4 Micro with orders over $100!

    Get a free A-Star 32U4 Micro with orders over $100!

    by Paul - 22 April 2014

    We recently released the A-Star 32U4 Micro, an Arduino-compatible ATmega32U4 breakout board intended to be cheap enough to go into (and stay in)...

  • New product: A-Star 32U4 Micro

    New product: A-Star 32U4 Micro

    by Paul - 11 April 2014

    Today we released a general-purpose AVR microcontroller breakout board, the A-Star 32U4 Micro. But before I get to the A-Star (A* for short), I...

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