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    Arduino Leonardo without Headers

    $18.00

    Arduino Leonardo without Headers 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, but this Leonardo board does not include headers.

    MFR Part #: A000052

    Specifications for Arduino Leonardo without Headers

     

    • Microcontroller: ATmega32u4
    • Operating Voltage: 5V
    • Input Voltage (recommended): 7-12V
    • Input Voltage (limit): 6-20V
    • Digital I/O Pins: 20
    • PWM Digital I/O Pins: 7
    • Analog Input Pins: 12
    • DC Current per I/O Pin: 40 mA
    • DC Current for 3.3V Pin: 50 mA
    • Flash Memory: 32 KB
    • Flash Memory for Bootloader: 4 KB
    • SRAM: 2.5 KB
    • EEPROM: 1 KB
    • Clock Speed: 16 MHz
    • Length: 68.6 mm
    • Width: 53.3 mm
     

    Features of Arduino Leonardo with Headers

     

    • 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)
       
    • 16 MHz crystal oscillator
       
    • Micro USB connection
       
    • A power jack
       
    • ICSP header
       
    • A reset button
       
    • Contains everything needed to support the microcontroller
       
    • Connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started
       
    • Differs from all preceding boards in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor
       
    • Allows the Leonardo to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port
       
    • Also has other implications for the behavior of the board
       
    • This version of the Leonardo comes without headers
       
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    Specifications for Arduino Leonardo without Headers

     

    • Microcontroller: ATmega32u4
    • Operating Voltage: 5V
    • Input Voltage (recommended): 7-12V
    • Input Voltage (limit): 6-20V
    • Digital I/O Pins: 20
    • PWM Digital I/O Pins: 7
    • Analog Input Pins: 12
    • DC Current per I/O Pin: 40 mA
    • DC Current for 3.3V Pin: 50 mA
    • Flash Memory: 32 KB
    • Flash Memory for Bootloader: 4 KB
    • SRAM: 2.5 KB
    • EEPROM: 1 KB
    • Clock Speed: 16 MHz
    • Length: 68.6 mm
    • Width: 53.3 mm
     

    Features of Arduino Leonardo with Headers

     

    • 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)
       
    • 16 MHz crystal oscillator
       
    • Micro USB connection
       
    • A power jack
       
    • ICSP header
       
    • A reset button
       
    • Contains everything needed to support the microcontroller
       
    • Connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started
       
    • Differs from all preceding boards in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor
       
    • Allows the Leonardo to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port
       
    • Also has other implications for the behavior of the board
       
    • This version of the Leonardo comes without headers