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The Leonardo R3 for Arduino is a microcontroller development 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 provides everything needed to support the microcontroller; simply power it with a AC-to-DC adapter to get started.
1602 LCD Module
It is for Arduino Diecimila Duemilanove, UNO, MEGA1280, MEGA2560 board. This shield includes a 16x2 HD44780 LCD module and a 5 push button keypad for menu selection and user interface programming. Fully assembled. On-line Arduino tutorial and example code. Uses digital pins 4 - 10, and analog pin 0.
Prototype Shield Mini Breadboard
It is a great kit to Arduino users who have sparkling ideas. You can choose to do soldering in the soldering area. You can also make good use of the mini breadboard which can save your time of soldering. Try any circuit you want to the Arduino. You also can choose to use your own breadboard.
2-CH 5V Relay Module
5V 2-ch Relay interface board, and each one needs 15-20mA Driver Current. Equiped with high-current relay, AC250V 10A ; DC30V 10A. Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). Indication LED's for Relay output status.
1xLeonardo R3, 1xUSB Cable, 1xBuzzer, 1xNixie Tube, 1xTemperature Sensor, 1x74HC595, 1xInfrared Remote Control
1xInfrared Receiver, 1xPhotoresistor, 1xPotentiometer, 2xTilt sensor, 4xPushbuttons, 1xRGB, 1xFlame Sensor, 1xCell Box
1x1602LCD Module, 1x 2-ch relay module, 1xPrototype Shield, 1xMini Breadboard, Resistors, Breadboard & Jumper wires, LEDs
Note: Please download documentation from the below link: