[Discontinued] SainSmart Leonardo R3 + LCD 1602 Keypad V3 For Arduino

Overview: This is SainSmart Leonardo R3 Kit , which is widely used for Arduino Fans and Starters, containning one SainSmart Leonardo R3 and one 1602 LCD Keypad Shield V3. SainSmart Leonardo R3 Improved Version: The SainSmart Leonardo R3 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. Description 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 (ATmega