Description
Arduino Leonardo is a microcontroller board based on the ATmega32u4. It has 20 digital input/output pins, 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.
Features:
Microcontroller | ATmega32u4 |
Operating Voltage | 5V |
Input Voltage (recommended) | 7-12V |
Input Voltage (limits) | 6-20V |
Digital I/O Pins | 20 (7 can be set for PWM, 12 for analog) |
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 |
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