ATmega32U4 Board, Solderless Arduino Leonardo Development

Description

ATmega32U4 Board, Solderless Arduino Leonardo Development
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AVR-T32U4
The special "T" shape of the AVR-T32U4 allows it to plug into a typical
solderless breadboard
and supply VCC and GND to the breadboard bus. Then you simply can use
M/M Jumper Wires
to develop an Arduino Leonardo system without the need to solder anything.
The board incorporates UEXT and USB for attaching peripheral devices. The ATmega32U4 is pre-loaded with the Arduino bootloader, and has built-in USB communication, eliminating the need for a secondary processor. This allows the board to appear to a connected computer as a mouse and keyboard in addition to a virtual (CDC) serial / COM port. It also means that there are now separate
Serial
and
Serial1
classes for the virtual serial driver and the hardware serial port, respectively. This has an effect on the capabilities and assignments of some pins, e.g. SPI and TWI.
The ATmega32U4 allows for serial (CDC) communication over USB and appears as a virtual com port to software on the computer. The chip also acts as a full-speed USB 2.0 device, using standard USB COM drivers. It requires no drivers to be installed for Linux or Mac (for Windows a .inf file is included with the Arduino IDE software).
ATmega32U4 Arduino Development Board Features
ATmega32U4 microcontroller, all-in-one USB communication; no need for external FTDI chip
Input power supply taken from mini-USB
Feeds power to the breadboard bus
Li-Ion rechargable battery power supply option with built-in on-board charger, so when you attach battery it is charged automatically and kept in this state until the other power source (USB or external adapter) is removed, then it automatically will power the board — no jumpers, no switches
Works both on 3.3V and on 5V, selectable with jumper
UEXT connector (see below)
2×3-pin ICSP header for reprogramming or updating the bootloader
Add-on UEXT Modules Available
This board has a universal extension connector, UEXT, which allows you to add a peripheral module easily. The UEXT can provide I2C, RS232, SPI and power to the external device. Please see the
UEXT Boards Category
for a full list of modules that can plug into the UEXT port.
ATmega32U4 Arduino Development Board Resources
AVR-T32U4 User Manual and Schematic
AVR-T32U4 Design Files for Eagle
Arduino documentation and software downloads
LED blink, Keyboard and Mouse Examples
for Arduino IDE 1.0.0
Updated Firmware
allows an early-produced AVR-T32U4 board to use Arduino IDE 1.0.1 and above — AVR programming hardware will be required
Simple Double LED Blink Example Code
for Arduino 1.0.1
Button Definition Example Code
for Arduino 1.0.3
Servo Motor Example Code
Thermocouple Example Code
for use with
MOD-TC-MK2-31855