ATmega32U4 Leonardo R3 Development Board with 1M Micro USB Cable

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$11.95 ea

43 ship on Jul. 22


  • Jameco Part no.: 2284391
  • Manufacturer: Keyestudio
  • Manufacturer no.: KS0248
  • Web Exclusive
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ATmega32U4 Leonardo R3 Development Board with 1M Micro USB Cable

The keyestudio Leonardo is a microcontroller board based on the ATmega32u4 (datasheet). It is an easy-to-use open source hardware. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.

Note that ICSP (In-Circuit Serial Programming) header can not only program the firmware to Atmega32u4 but can also be used as SPI communication interface.

The keyestudio Leonardo can be powered via the micro USB connection, or via an external power supply jack (DC 7-12V) or even with female headers Vin /GND (DC 7-12V).

The Leonardo differs from other Arduino boards using separate USB-Serial chip 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.

Specifications

  • Microcontroller: ATmega32u4
  • Operating voltage: 5V
  • Input voltage: 7-12VDC
  • Digital I/O pins: 20 (of which 7 provide PWM output)
  • 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 (of which 4 KB used by bootloader)
  • SRAM: 2.5 KB
  • EEPROM: 1 KB
  • Clock speed: 16 MHz
  • LED_BUILTIN: D13


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