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LCD RGB 16x2 + keypad +Buzzer Shield for Arduino

LCD RGB 16x2 + keypad +Buzzer Shield for Arduino

MEGA+WiFi R3 ATmega2560+ESP8266, flash 32MB, USB-TTL CH340G, Micro-USB

MEGA+WiFi R3 ATmega2560+ESP8266, flash 32MB, USB-TTL CH340G, Micro-USB

LEONARDO R3, ATmega32U4

LEONARDO R3, ATmega32U4
$6.79
Availability: In stock
SKU
40a7ebfc-c4c6-11e5-9469-10c37b90f38d
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The LEONARDO is an integrated USB HID board. Ideal for projects requiring the board to behave (act) as a USB human interface devices (keyboard, mouse, etc...).The LEONARDO is a microcontroller board based on the ATmega32U4. It has 23 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 (USB cable and power supply are not included).
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Specifications

Microcontroller ATmega32U4-MU
Power Out
  • 3.3V-180mА
  • 5V-800mА
Power IN. USB 5V
Power IN. VIN/DC Jack 6-12V
Power Consumption 5V 220mA
Logic Level 5V
USB Micro USB
Clock Frequency 16MHz
Operating Supply Voltage 5V
Digital I/O 23
Analog I/O 12
Memory Size 32kb
Data RAM Type/Size 2.5Kb
Data ROM Type/Size 1Kb
Interface Type ISP
Operating temperature −40С°/+85С°
Length×Width 53.34×68.59mm

Documents

Dimensional drawing

Dimensions LEONARDO R3, ATmega32U4 Dimensions LEONARDO R3, ATmega32U4

Pinout

Pinout LEONARDO R3, ATmega32U4 Pinout LEONARDO R3, ATmega32U4

Schematic

Schematic of LEONARDO R3, ATmega32U4