SainSmart Prototype Shield:MEGA ProtoShield V3 Prototype Shield Gold PCB processing technology, motherboards, small gold square pad spacing, welding components easier. SOP28 SMD component package to be more handy electronics enthusiasts will not be directly insert bound components.SainSmart MEGA 2560 Board:The SainSmart MEGA 2560 Board for Arduino: This is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button.SainSmart IIC/I2C/TWI Serial 2004 20x4 LCD Module Shield:2012 latest IIC LCD2004-character LCD display module, a new high-quality 4 line 20 character LCD module not only set the contrast control knob selector switch also has a backlight and IIC communication interface.SainSmart 2-Channel 5V Relay Module: 5V 2-Channel 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
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