 DIY Mega 2560 R3 Board + Keypad Shield 1602 LCD Board + USB Cable for Arduino – Blue + Black – $27.10 Brand: N/A; Model: 2560 R3+LCD;Quantity: 1; Color: Blue + black; Material: Immersion alloy plate; Features: Arduino Mega2560 is a compatible development board for Arduino ATmega2560 features are as follows: 54 groups digital I / O input / output terminal (14 group can do PWM output); 16 sets of analog input terminal; Group 4 UART (hardware serial ports); 16 MHz crystal oscillator; With the bootloader, download the program directly via USB; Without having to go through other external writer; Supply part of the optional USB power, or as an external power; Using the AC-to-DC adapter and battery; The power supply will automatically switch; The limited voltage is 6~12V, if the voltage is lower than 6V, the I/O port cannot supply 5V voltage; If the voltage is over 12V, the voltage stabilizer may take the overheat protection, and even damage the Arduino MEGA; So please use 6V~12V power source, 7.5V or 9V is recommend; Circuit improvements are based entirely on the Arduino official design; Specification: Microcontroller: ATmega2560; Operating Voltage: 5V; Input Voltage: (recommended): 7~12V; Input Voltage (limits): 6~20V; Digital I/O Pins: 54 (of which 14 provide PWM output); Analog Input Pins: 16; DC Current per I/O Pin: 40mA; DC Current for 3.3V Pin: 50mA; Flash Memory: 256KB of which 4KB used by bootloader; SRAM: 8KB; EEPROM: 4KB; Clock Speed: 16MHz; LCD Keypad Shield input / output expansion board using 2 lines of 16 characters LCD, having a contrast adjustment and backlight lamp, using 1 simulated export completed 5 key input, a 1 reset button, does not use the IO export are extended out the spare, make full use of IO export; Take up a digital port: PIN4-DB4, PIN5-DB5, PIN6-DB6, PIN7-DB7, PIN8-RS, PIN9-E, PIN10- backlight control, Simulation of A0 key port; Application: Learning board, development board; Other: A product for Arduino that works with official Arduino boards; English Manual/Spec: Please refer to: http://arduino.cc/en/Main/Software; Packing List: 1 x Development board 1 x LCD board 1 x USB cable (54cm); |
