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Description
Arduino Leonardo ATMEGA 32.4U without HeadersThe 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
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.
- ATmega32u4 Microcontroller
- 5V Operating Voltage
- 7-12V Input Voltage (recommended)
- 6-20V Input Voltage (limits)
- 20 Digital I/O Pins
- 7 PWM Channels
- 12 Analog Input Channels
- 40 mA DC Current per I/O Pin
- 50 mA DC Current for 3.3V Pin
- 32 KB (ATmega32u4) of which 4 KB used by bootloader Flash Memory
- 2.5 KB (ATmega32u4) SRAM
- 1 KB (ATmega32u4) EEPROM
- 16 MHz Clock Speed
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Exchange/Return Notes
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