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Arduino Leonardo with headers

Arduino Leonardo with headers


Operating Voltage5Vdc
Input Voltage (Recommended)7 - 12Vdc
Input Voltage (Maximum)6 - 20Vdc
Digital In/Out Pins20
PMW In/Out Pins7
Analogue Input Pins12
DC Current per In/Out Pins40mA
DC Current for 3.3V Pin50mA
Flash Memory32kB
Flash Memory for Bootloader4kB
Clock Speed16MHz


68.6 x 53.3mm



Download Manual >Download the Handbook for full specifications and applications
The Arduino Leonardo is a microcontroller board based on the ATmega32u4. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.

The Leonardo differs from all preceding boards in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Leonardo to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port.

This version of the Leonardo comes with headers.


Arduino Leonardo with headers
Order Code Each 
A000057Arduino Leonardo with headers14.20 


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