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Quick Details

  • Place of Origin: China (Mainland)
  • Brand Name: RobotBase
  • Model Number: RB-01C030

Packaging & Delivery

Delivery Detail: 3-10 days according to quantity

Carduino Leonardo Microcontroller Board





The  Carduino 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. It also has other implications for the behavior of the board; these are detailed on the getting started page.



  • 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 




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