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A-Star 32U4 Micro programmable module with Atmel's ATmega32U4 microcontroller with pre-installed Arduino capable bootloader

Item number: PO-3101

The A-Star 32U4 Micro is a tiny programmable module featuring Atmel?s ATmega32U4 microcontroller.

Category: Controllers, Processors


17,43 €

including 16% VAT. , plus shipping (Standard)

availability on request (delivery time usually 5-10 working days)


The A-Star 32U4 Micro is a tiny programmable module featuring Atmel's ATmega32U4 microcontroller. It packs a Micro-USB interface and 15 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 comes preloaded with an Arduino-compatible bootloader.

Overview
The Pololu A-Star 32U4 Micro is a general-purpose programmable module based on Atmel's ATmega32U4 AVR microcontroller, which has 32 KB of flash program memory, 2.5 KB of RAM, and built-in USB functionality. Onboard features of the A-Star (abbreviated A*) include a 16 MHz resonator, a USB Micro-B connector, an in-system programming (ISP) header, and a pair of indicator LEDs. A voltage regulator and power selection circuit allow the board to be powered from either USB or an external 5.5 V to 15 V source, while a resettable PTC fuse on the USB VBUS supply and reverse protection on VIN help protect it from accidental damage.

The A-Star 32U4 Micro breaks out 15 general-purpose I/O lines along two rows of pins, including 7 usable as PWM outputs and 8 usable as analog inputs. It fits all this into a 20-pin dual in-line package (DIP) measuring only 1" × 0.6" (even smaller than competing ATmega32U4 boards like the Teensy 2.0 and Pro Micro), and its 0.1? pin spacing makes the A* easy to use with solderless breadboards, perfboards, and 0.1"-pitch connectors.

Our comprehensive user"s guide provides the basics you need to get started with the A-Star as well as detailed technical information for advanced users.

Arduino compatibility
The A-Star 32U4 ships with a preloaded Arduino-compatible bootloader (which uses 4 KB of flash memory, leaving 28 KB available for the user program). We provide a software add-on that enables the board to be easily programmed from the Arduino environment.

The A-Star 32U4 uses the same microcontroller as the Arduino Leonardo and Arduino Micro and runs at the same frequency, making it just as powerful. Although the larger boards offer a few more I/O pins, the A-Star 32U4 Micro fits in an area half that of the Arduino Micro, and it takes up only 11% as much area as a standard full-size Arduino!

Features

  • Dimensions: 1" × 0.6" (1.05" × 0.6" including USB Micro-B connector)
  • Programmable 16 MHz Atmel ATmega32U4 AVR microcontroller
  • 32 KB flash (4 KB used by bootloader, leaving 28 KB available for user program by default)
  • 2.5 KB SRAM
  • 1 KB EEPROM
  • Native full-speed USB (12 Mbps)
  • Preloaded with Arduino-compatible bootloader (no external programmer required)
  • Many I/O lines in a small package
  • 15 general-purpose I/O pins available along the sides of the board
  • 3 additional I/O pins available on ISP header
  • 7 pins can be configured as hardware PWM outputs
  • 8 pins can be configured as analog inputs
  • 2 user-controllable LEDs
  • Can be powered from USB or external 5.5 V to 15 V source on VIN
  • PTC fuse on VBUS supply
  • Reverse-voltage protection on VIN supply
  • 6-pin ISP header for use with an external programmer
  • Comprehensive user"s guide

Included hardware
A 1×20-pin breakaway 0.1" male header is included with the A-Star 32U4 Micro, which can be soldered in to use the board with perfboards, breadboards, or 0.1" female connectors. (The headers might ship already separated into two 1×10 pieces.) Also included is a 2×3 header that can be installed to allow external programming of the microcontroller through the AVR ISP interface, such as with our USB AVR programmer.


Shipping weight: 0,01 Kg
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