Arduino Leonardo finally available
The highly anticipated Arduino Leonardo, the powerful new microcontroller, is now ready for commercial consumption
Arduino users are about to get a major upgrade, as the brand new Arduino Leonardo is now being made widely available. The new microcontroller is now powerful enough to handle USB communication without the use of an extra chip like in the older Uno board. Here are the stats:
Microcontroller: ATmega32u4
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Input Voltage (limits): 6-20V
Digital I/O Pins: 20
PWM Channels: 7
Analog Input Channels: 12
DC Current per I/O Pin: 40 mA
DC Current for 3.3V Pin: 50 mA
Flash Memory: 32 KB (ATmega32u4) of which 4 KB used by bootloader
SRAM: 2.5 KB (ATmega32u4)
EEPROM: 1 KB (ATmega32u4)
Clock Speed: 16 MHz
The new unit is available with or without headers, for €18 (£14, $22) or €16 (£12.50, $19) respectively, and you can grab them both from the Arduino store.
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Be aware that the pin out is not the same as the UNO and previous boards in some (important) aspects.
If you are a beginner, stick with the UNO to start with and then move over to the Leonardo as there is a heap of tutorials for the UNO.
Dale